{"id":39471,"date":"2025-01-17T13:56:34","date_gmt":"2025-01-17T18:56:34","guid":{"rendered":"https:\/\/www.unionprocess.com\/?page_id=39471"},"modified":"2025-01-17T21:18:37","modified_gmt":"2025-01-18T02:18:37","slug":"grinding-media","status":"publish","type":"page","link":"https:\/\/www.unionprocess.com\/grinding-media\/","title":{"rendered":"Grinding Media"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Grinding Media &amp; Grinding Balls<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"#metallic\">Metallic Grinding Media<\/a><\/li>\n\n\n\n<li><a href=\"#nonmetallic\">Non-Metallic Grinding Media<\/a><\/li>\n<\/ul>\n\n\n\n<p>Grinding media, the objects used to refine material and reduce particle size, are available in a wide range of shapes, sizes and materials to meet an equally wide range of grinding and milling needs.<\/p>\n\n\n\n<p>As the developer and manufacturer of industry-leading particle size reduction equipment, including Attritors (internally agitated ball mills) and DMQX horizontal media mills, Union Process is uniquely positioned to help you identify and source the correct grinding media for your application.<\/p>\n\n\n\n<p>Union Process customers know they can rely on our extensive technical expertise and years of experience to ensure they get the right grinding media at the right time and the right price for their specific needs. Working in close consultation with our customers, our skilled technical service representatives review&nbsp;customer requirements like final particle size, physical compatibility and contamination concerns&nbsp;and then recommend media with the right characteristics, including:<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-1 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h4 class=\"wp-block-heading\">Shape<\/h4>\n\n\n\n<p>balls, beads and satellites satisfy the bulk of our customers\u2019 requirements, but we also source highly specialized shapes like ballcones and diagonals<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h4 class=\"wp-block-heading\">Diameter<\/h4>\n\n\n\n<p>depending on the material, ranging from 0.05 mm to 2 mm for small media mills, up to 1\/8\u201d to 1\u201d for traditional Attritors and up to \u00bd\u201d to 2\u201d for ball mills<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h4 class=\"wp-block-heading\">Composition<\/h4>\n\n\n\n<p><a href=\"#metallic\">metallic grinding media<\/a>&nbsp;like carbon steel, forged steel, stainless steel or chrome steel grinding balls are best for some applications, while others require&nbsp;<a href=\"#nonmetallic\">non-metallic media<\/a>&nbsp;made of alumina, ceramics, glass, silicon carbide, zirconium oxide or other specialized materials&nbsp;<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button red\"><a class=\"wp-block-button__link wp-element-button\" href=\"http:\/\/unionprocess.com\/contact\/request-a-quote\/grinding-media-quote-request\/\">Request a Quote<\/a><\/div>\n\n\n\n<div class=\"wp-block-button gray\"><a class=\"wp-block-button__link wp-element-button\" href=\"\/wp-content\/uploads\/2024\/03\/2024-Grinding-Media-Brochure_v2_r4-1.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Grinding Media Literature (PDF)<\/a><\/div>\n<\/div>\n\n\n\n<p><em>Union Process is the source for the most up-to-date information on grinding balls and other media. <a href=\"http:\/\/unionprocess.com\/wp-content\/uploads\/2020\/12\/up-grinding-media-1.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Download our Grinding Media Literature (PDF)<\/a> to view a detailed sheet, outlining factors to consider when selecting grinding media, along with specifications on the most common types of media.<\/em><\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<p>Offering the optimal combination of grinding media knowledge and manufacturing expertise, Union Process takes your entire operation into account to identify the best grinding media to consistently generate the final particle size and shape required by your application, optimizing the cost effectiveness of your process and extending the life of your mills.<\/p>\n\n\n\n<p>Backed by our long-standing commitment to customer satisfaction, we ensure quality manufacturing and reliable supply of grinding balls and media specifically engineered to meet the requirements of your most demanding milling applications.<\/p>\n\n\n\n<p>Scroll down to view our full line of grinding media; for immediate technical assistance, call (330) 929-3333.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-4-3 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"How to Select Grinding Media\" width=\"640\" height=\"480\" src=\"https:\/\/www.youtube.com\/embed\/M4L7IiZr6uo?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"metallic\">Metallic Grinding Media<\/h2>\n\n\n\n<p><strong><span style=\"color:#a6192e\" class=\"has-inline-color\"><em>Note:<\/em><\/span><\/strong><em><span style=\"color:#a6192e\" class=\"has-inline-color\">&nbsp;<\/span>Sizes shown in red indicate media that is recommended for use in bead mills except where stated otherwise.&nbsp;<\/em><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-2 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"239\" height=\"239\" src=\"http:\/\/unionprocess.com\/wp-content\/uploads\/2020\/12\/carbon-steel-grinding-balls.jpg\" alt=\"Carbon Steel Grinding Balls\" class=\"wp-image-713\" style=\"width:239px;height:239px\" srcset=\"https:\/\/www.unionprocess.com\/wp-content\/uploads\/2020\/12\/carbon-steel-grinding-balls.jpg 239w, https:\/\/www.unionprocess.com\/wp-content\/uploads\/2020\/12\/carbon-steel-grinding-balls-150x150.jpg 150w\" sizes=\"(max-width: 239px) 100vw, 239px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Through-Hardened Carbon Steel Balls Type 1065<\/h4>\n\n\n\n<p>Through-Hardened Carbon Steel Balls are magnetic and can be used in the food industry along with 440C stainless steel media. They are a low-cost media that are superior and recommended over case-hardened carbon steel media which have a soft core. They are packaged with no oil finish\u2014always dry packed\u2014as they will rust in water.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>(SAE 1065\u2013through-hardened)<\/li>\n\n\n\n<li><strong>Specific Gravity:<\/strong>&nbsp;7.8<\/li>\n\n\n\n<li><strong>Hardness:<\/strong>&nbsp;ROCKWELL C 60\u201362<\/li>\n\n\n\n<li><strong>Relative Cost:<\/strong>&nbsp;Low<\/li>\n\n\n\n<li><strong>Sizes Available:<\/strong>&nbsp;1\/8&#8243;, 3\/16&#8243;, 1\/4&#8243;, 5\/16&#8243;, 3\/8&#8243;, 1\/2&#8243;, 3\/4&#8243;<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"239\" height=\"239\" src=\"http:\/\/unionprocess.com\/wp-content\/uploads\/2020\/12\/chrome-steel-grinding-balls.jpg\" alt=\"Chrome Steel Grinding Balls\" class=\"wp-image-712\" srcset=\"https:\/\/www.unionprocess.com\/wp-content\/uploads\/2020\/12\/chrome-steel-grinding-balls.jpg 239w, https:\/\/www.unionprocess.com\/wp-content\/uploads\/2020\/12\/chrome-steel-grinding-balls-150x150.jpg 150w\" sizes=\"(max-width: 239px) 100vw, 239px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Chrome Steel Balls Type 52100<\/h4>\n\n\n\n<p>Chrome Balls (steel type 52100) are through-hardened and tempered steel balls designed to achieve maximum strength and quality. Ball hardness is in the 60\u201367 HRC range. They wear better than 440C stainless steel and through-hardened carbon steel. They are also recommended for applications where a through-hardened steel ball is needed in larger sizes (\u00bd&#8221; and larger). They are sometimes packaged with a very light oil finish to reduce rust due to humidity.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>(SAE 52100)<\/li>\n\n\n\n<li><strong>Specific Gravity:<\/strong>&nbsp;7.8<\/li>\n\n\n\n<li><strong>Hardness:<\/strong>&nbsp;ROCKWELL C 60\u201367<\/li>\n\n\n\n<li><strong>Relative Cost:<\/strong>&nbsp;Low to Moderate<\/li>\n\n\n\n<li><strong>Sizes Available:<\/strong>&nbsp;<span style=\"color:#a6192e\" class=\"has-inline-color\">1mm,<\/span> <span style=\"color:#a6192e\" class=\"has-inline-color\">2mm<\/span>, 1\/8&#8243;, 5\/32&#8243;, 3\/16&#8243;, 7\/32&#8243;, 1\/4&#8243;, 5\/16&#8243;, 3\/8&#8243;, 1\/2&#8243;, 3\/4&#8243;, 1&#8243;<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"239\" height=\"239\" src=\"http:\/\/unionprocess.com\/wp-content\/uploads\/2020\/12\/stainless-steel-grinding-balls.jpg\" alt=\"Stainless Steel Balls\" class=\"wp-image-724\" srcset=\"https:\/\/www.unionprocess.com\/wp-content\/uploads\/2020\/12\/stainless-steel-grinding-balls.jpg 239w, https:\/\/www.unionprocess.com\/wp-content\/uploads\/2020\/12\/stainless-steel-grinding-balls-150x150.jpg 150w\" sizes=\"(max-width: 239px) 100vw, 239px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">440C Stainless Steel Balls<\/h4>\n\n\n\n<p>440C Stainless Steel Balls are through-hardened and tempered throughout for maximum strength and quality. They are magnetic, and corrosion-resistant (generally rust-resistant). They are recommended for food applications and lighter colored slurries.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>(AISI 440-C)<\/li>\n\n\n\n<li><strong>Specific Gravity:<\/strong>&nbsp;7.7<\/li>\n\n\n\n<li><strong>Hardness:<\/strong>&nbsp;ROCKWELL C 58\u201365<\/li>\n\n\n\n<li><strong>Relative Cost:<\/strong>&nbsp;Moderate<\/li>\n\n\n\n<li><strong>Sizes Available:<\/strong>&nbsp;<span style=\"color:#a6192e\" class=\"has-inline-color\">2mm<\/span>, 1\/8&#8243;, 5\/32&#8243;, 3\/16&#8243;, 7\/32&#8243;, 1\/4&#8243;, 5\/16&#8243;, 3\/8&#8243;, 1\/2&#8243;, 3\/4&#8243;, 1&#8243;<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-3 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"239\" height=\"239\" src=\"http:\/\/unionprocess.com\/wp-content\/uploads\/2020\/12\/through-hardened-steel-shot-grinding-media.jpg\" alt=\"Steel Shot Grinding Media\" class=\"wp-image-723\" srcset=\"https:\/\/www.unionprocess.com\/wp-content\/uploads\/2020\/12\/through-hardened-steel-shot-grinding-media.jpg 239w, https:\/\/www.unionprocess.com\/wp-content\/uploads\/2020\/12\/through-hardened-steel-shot-grinding-media-150x150.jpg 150w\" sizes=\"(max-width: 239px) 100vw, 239px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Carbon Steel Shot<\/h4>\n\n\n\n<p>Carbon Steel Shot media is through-hardened and very low cost. As such, they are not uniformly spherical and often can leave a gritty black residue.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Specific Gravity:<\/strong>&nbsp;7.6<\/li>\n\n\n\n<li><strong>Hardness:<\/strong>&nbsp;ROCKWELL C 55\u201360<\/li>\n\n\n\n<li><strong>Relative Cost:<\/strong>&nbsp;Low<\/li>\n\n\n\n<li><strong>Sizes Available:<\/strong>&nbsp;<span style=\"color:#a6192e\" class=\"has-inline-color\">.25mm, .50mm, .6mm,.71mm, .85mm, 1mm, 1.18mm, 1.40mm, 1.70mm, 2mm<\/span>,&nbsp;2.36mm, 2.80mm<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"239\" height=\"239\" src=\"http:\/\/unionprocess.com\/wp-content\/uploads\/2020\/12\/forged-steel-grinding-balls.jpg\" alt=\"Forged Steel Grinding Balls\" class=\"wp-image-729\" srcset=\"https:\/\/www.unionprocess.com\/wp-content\/uploads\/2020\/12\/forged-steel-grinding-balls.jpg 239w, https:\/\/www.unionprocess.com\/wp-content\/uploads\/2020\/12\/forged-steel-grinding-balls-150x150.jpg 150w\" sizes=\"(max-width: 239px) 100vw, 239px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Forged Steel Balls (Large Diameter)<\/h4>\n\n\n\n<p>Forged Steel Balls are used for gold mining, cement factories, oil processing and large scale industrial applications. They are made by machine (standard) sizes 20mm\u201375mm. They are manually made (hit by air hammer) sizes 75mm\u2013125mm. They have hardness 55\u201363 HRC. All forged balls are through-hardened, and shipped in 55-gallon steel drums. They range in sizes from 20mm\u2013125mm. Standard lead time is 6\u20138 weeks FOB Akron, Ohio USA.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Specific Gravity:<\/strong>&nbsp;N\/A<\/li>\n\n\n\n<li><strong>Hardness:<\/strong>&nbsp;55\u201363HRC<\/li>\n\n\n\n<li><strong>Relative Cost:<\/strong>&nbsp;Very Low<\/li>\n\n\n\n<li><strong>Sizes Available:<\/strong>&nbsp;20mm, 25mm, 30mm, 40mm, 50mm, 60mm, 65mm, 75mm, 90mm, 100mm, 125mm<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button gray\"><a class=\"wp-block-button__link wp-element-button\">How To Select Grinding Media<\/a><\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"nonmetallic\">Non-Metallic Grinding Media<\/h2>\n\n\n\n<p><strong><span style=\"color:#a6192e\" class=\"has-inline-color\"><em>Note:<\/em><\/span><\/strong><em><span style=\"color:#a6192e\" class=\"has-inline-color\">&nbsp;<\/span>Sizes shown in red indicate media that is recommended for use in bead mills except where stated otherwise.&nbsp;<\/em><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-4 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"239\" height=\"239\" src=\"http:\/\/unionprocess.com\/wp-content\/uploads\/2020\/12\/alumina-satellites-grinding-media.jpg\" alt=\"\" class=\"wp-image-731\" srcset=\"https:\/\/www.unionprocess.com\/wp-content\/uploads\/2020\/12\/alumina-satellites-grinding-media.jpg 239w, https:\/\/www.unionprocess.com\/wp-content\/uploads\/2020\/12\/alumina-satellites-grinding-media-150x150.jpg 150w\" sizes=\"(max-width: 239px) 100vw, 239px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Alumina Balls and Satellites<\/h4>\n\n\n\n<p>Union Process is the one source for 90%, 94%, 99.5% and 99.9% alumina media. 90% alumina is available in satellites and rod\/cylinders. 94% alumina balls have excellent wear resistance with higher impact strength to save running costs with less contamination. They have great wear rate generally better than 90% or 99.5%. 99.5% alumina balls have the highest alumina content for a moderate price. The .5% impurity is MgO that is added to inhibit grain growth during sintering in the kiln. There is less than 0.1% silica in the media. 99.9% alumina balls are made of very pure and reactive (expensive) raw materials. They are for high purity alumina applications where contamination is a factor.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h5 class=\"wp-block-heading\">ALUMINA 99.9% BALLS<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Specific Gravity:<\/strong>&nbsp;3.9<\/li>\n\n\n\n<li><strong>Hardness:<\/strong>&nbsp;Hv<sub>10<\/sub>&nbsp;= 1800<\/li>\n\n\n\n<li><strong>Relative Cost:<\/strong>&nbsp;High<\/li>\n\n\n\n<li><strong>Sizes Available:<\/strong>&nbsp;<span style=\"color:#a6192e\" class=\"has-inline-color\">1mm, 2mm<\/span>,&nbsp;3mm, 5mm, 10mm, 15mm, 20mm, 25mm<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">ALUMINA 99.5% BALLS<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Specific Gravity:<\/strong>&nbsp;3.8<\/li>\n\n\n\n<li><strong>Hardness:<\/strong>&nbsp;Hv 1300 kg\/mm<sup>2<\/sup><\/li>\n\n\n\n<li><strong>Relative Cost:<\/strong>&nbsp;Moderate<\/li>\n\n\n\n<li><strong>Sizes Available:<\/strong>&nbsp;<span style=\"color:#a6192e\" class=\"has-inline-color\">0.2mm, 0.3mm, 0.5mm, 1mm, 2mm<\/span>,&nbsp;3mm, 5mm, 8mm, 10mm, 15mm, 20mm<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">ALUMINA 99.8% SATELLITES<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Specific Gravity:<\/strong>&nbsp;3.4-3.7<\/li>\n\n\n\n<li><strong>Hardness:<\/strong>&nbsp;ROCKWELL 45N 78 \u2013 79<\/li>\n\n\n\n<li><strong>Relative Cost:<\/strong>&nbsp;Moderate<\/li>\n\n\n\n<li><strong>Sizes Available:<\/strong>&nbsp;1\/4&#8243;<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h5 class=\"wp-block-heading\">ALUMINA 94% BALLS<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Specific Gravity:<\/strong>&nbsp;3.59<\/li>\n\n\n\n<li><strong>Hardness:<\/strong>&nbsp;Hv 1200 kg\/mm<sup>2<\/sup><\/li>\n\n\n\n<li><strong>Relative Cost:<\/strong>&nbsp;Low to Moderate<\/li>\n\n\n\n<li><strong>Sizes Available:<\/strong>&nbsp;<span style=\"color:#a6192e\" class=\"has-inline-color\">0.5mm, 1mm, 2mm<\/span>,&nbsp;3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 13mm, 15mm, 20mm<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">ALUMINA 90% BEADS AND SATELLITES<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Specific Gravity:<\/strong>&nbsp;3.4 &#8211; 3.7<\/li>\n\n\n\n<li><strong>Hardness:<\/strong>&nbsp;ROCKWELL 45N 75<\/li>\n\n\n\n<li><strong>Relative Cost:<\/strong>&nbsp;Low<\/li>\n\n\n\n<li><strong>Sizes Available:<\/strong>&nbsp;3mm, 7\/32&#8243;, 1\/4&#8243;, 3\/8&#8243;, 1\/2&#8243;<\/li>\n\n\n\n<li><em>Note: 3mm size are Beads-remaining four sizes are satellites<\/em><\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-5 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"239\" height=\"239\" src=\"http:\/\/unionprocess.com\/wp-content\/uploads\/2020\/12\/alumina-beads-grinding-media.jpg\" alt=\"Alumina Beads\" class=\"wp-image-738\" srcset=\"https:\/\/www.unionprocess.com\/wp-content\/uploads\/2020\/12\/alumina-beads-grinding-media.jpg 239w, https:\/\/www.unionprocess.com\/wp-content\/uploads\/2020\/12\/alumina-beads-grinding-media-150x150.jpg 150w\" sizes=\"(max-width: 239px) 100vw, 239px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Alumina Beads<\/h4>\n\n\n\n<p>Alumina Beads are specially formulated to be used in high-energy mills in which a high degree of fineness is required. They are used in various industrial fields such as inks, paints, advanced ceramics, mining, cosmetics and pharmaceutical industries. They are a perfectly spherical shape with high mechanical properties and high wear resistance at a moderate price.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Specific Gravity:<\/strong>&nbsp;N\/A<\/li>\n\n\n\n<li><strong>Hardness:<\/strong>&nbsp;Mohs 9, VICKERS (0.5 kg) 1200 \u00b1 50<\/li>\n\n\n\n<li><strong>Relative Cost:<\/strong>&nbsp;Low to Moderate<\/li>\n\n\n\n<li><strong>Sizes Available:<\/strong>&nbsp;<span style=\"color:#a6192e\" class=\"has-inline-color\">0.25\u20130.34mm, 0.34\u20130.44mm, 0.4\u20130.6mm, 0.8\u20131.2mm, 1.2\u20131.6mm, 1.4\u20131.6mm, 1.6\u20131.8mm, 1.8\u20132.0mm<\/span>,&nbsp;2.0\u20132.5mm, 2.5\u20133.0mm<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"http:\/\/unionprocess.com\/wp-content\/uploads\/2020\/12\/glass-beads-grinding-media.jpg\" alt=\"Glass Beads\" class=\"wp-image-728\" width=\"NaN\" height=\"NaN\" srcset=\"https:\/\/www.unionprocess.com\/wp-content\/uploads\/2020\/12\/glass-beads-grinding-media.jpg 239w, https:\/\/www.unionprocess.com\/wp-content\/uploads\/2020\/12\/glass-beads-grinding-media-150x150.jpg 150w\" sizes=\"(max-width: 239px) 100vw, 239px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Glass Beads<\/h4>\n\n\n\n<p>This grade is used for milling applications with 85% roundness. All Glass Beads are lead-free and less expensive.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Specific Gravity:<\/strong>&nbsp;2.5<\/li>\n\n\n\n<li><strong>Hardness:<\/strong>&nbsp;KNOOP 515 kg\/mm<sup>2<\/sup><\/li>\n\n\n\n<li><strong>Relative Cost:<\/strong>&nbsp;Low<\/li>\n\n\n\n<li><strong>Sizes Available:<\/strong>&nbsp;<span style=\"color:#a6192e\" class=\"has-inline-color\">0.25\u20130.50mm, 0.40\u20130.60mm, 0.6\u20130.8mm, 0.75\u20131.0mm, 0.80\u20131.0mm, 1mm, 1.5mm, 1.0\u20131.25mm, 1.25\u20131.55mm, 1.55\u20131.85mm, 1.7\u20132.0mm, 2mm<\/span>,&nbsp;2.0\u20132.4mm, 2.4\u20132.9mm, 2.85\u20133.45mm, 3mm, 3.5mm, 3.6\u20134.1mm, 3.8\u20134.1mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 12mm, 14mm, 16mm<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"239\" height=\"239\" src=\"http:\/\/unionprocess.com\/wp-content\/uploads\/2020\/12\/silicon-carbide-grinding-balls.jpg\" alt=\"Silicon Carbide Balls\" class=\"wp-image-726\" srcset=\"https:\/\/www.unionprocess.com\/wp-content\/uploads\/2020\/12\/silicon-carbide-grinding-balls.jpg 239w, https:\/\/www.unionprocess.com\/wp-content\/uploads\/2020\/12\/silicon-carbide-grinding-balls-150x150.jpg 150w\" sizes=\"(max-width: 239px) 100vw, 239px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Silicon Carbide Balls<\/h4>\n\n\n\n<p>Silicon Carbide Balls are very high-cost grinding media that are used for milling same materials (silicon carbide ball to mill silicon carbide materials) to avoid contamination. They are only available in 5mm,10mm, 15mm and 20mm sizes. They are a special order item.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Specific Gravity:<\/strong>&nbsp;3.1<\/li>\n\n\n\n<li><strong>Hardness:<\/strong>&nbsp;KNOOP 2500 kg\/mm<sup>2<\/sup><\/li>\n\n\n\n<li><strong>Relative Cost:<\/strong>&nbsp;Very High<\/li>\n\n\n\n<li><strong>Sizes Available:<\/strong>&nbsp;5mm, 10mm, 15mm, 20mm<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-6 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"239\" height=\"239\" src=\"http:\/\/unionprocess.com\/wp-content\/uploads\/2020\/12\/silicon-nitride-grinding-balls.jpg\" alt=\"Silicon Nitride Grinding Balls\" class=\"wp-image-725\" srcset=\"https:\/\/www.unionprocess.com\/wp-content\/uploads\/2020\/12\/silicon-nitride-grinding-balls.jpg 239w, https:\/\/www.unionprocess.com\/wp-content\/uploads\/2020\/12\/silicon-nitride-grinding-balls-150x150.jpg 150w\" sizes=\"(max-width: 239px) 100vw, 239px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Silicon Nitride Balls<\/h4>\n\n\n\n<p>Silicon Nitride Balls are very high-cost grinding media that are used for milling same materials (silicon nitride ball to mill silicon nitride materials) to avoid contamination. They are now available in 2mm and 3mm and sizes up to 25mm. They are a special order item.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Specific Gravity:<\/strong>&nbsp;3.2<\/li>\n\n\n\n<li><strong>Hardness:<\/strong>&nbsp;Hv<sub>10<\/sub>&nbsp;= 1300<\/li>\n\n\n\n<li><strong>Relative Cost:<\/strong>&nbsp;Very High<\/li>\n\n\n\n<li><strong>Sizes Available:<\/strong>&nbsp;<span style=\"color:#a6192e\" class=\"has-inline-color\">2mm,&nbsp;<\/span><span class=\"has-inline-color has-black-color\">3mm, 5mm, 10mm, 15mm, 20mm, 25mm<\/span><\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"239\" height=\"239\" src=\"http:\/\/unionprocess.com\/wp-content\/uploads\/2020\/12\/tungsten-carbide-satellites-grinding-media.jpg\" alt=\"Tungsten Carbide Satellites\" class=\"wp-image-722\" srcset=\"https:\/\/www.unionprocess.com\/wp-content\/uploads\/2020\/12\/tungsten-carbide-satellites-grinding-media.jpg 239w, https:\/\/www.unionprocess.com\/wp-content\/uploads\/2020\/12\/tungsten-carbide-satellites-grinding-media-150x150.jpg 150w\" sizes=\"(max-width: 239px) 100vw, 239px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Tungsten Carbide Satellites\/Balls<\/h4>\n\n\n\n<p>Tungsten Carbide media is the hardest and densest (highest specific gravity) media and is available in both satellites and balls upon request. They are available in sizes ranging from 3\/32&#8243; to 1&#8243; in diameter. They are a high-cost media and are a special order item.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Specific Gravity:<\/strong>&nbsp;14.4-14.8<\/li>\n\n\n\n<li><strong>Hardness:<\/strong>&nbsp;92.0 \u00b1 0.5 Hra<\/li>\n\n\n\n<li><strong>Relative Cost:<\/strong>&nbsp;Moderate to High<\/li>\n\n\n\n<li><strong>Sizes Available:<\/strong><span class=\"has-inline-color has-black-color\">3\/32&#8243;, 1\/8&#8243;, 5\/32&#8243;, 3\/16&#8243;, 7\/32&#8243;, 1\/4&#8243;, 9\/32&#8243;, 5\/16&#8243;, 3\/8&#8243;, 7\/16&#8243;, 1\/2&#8243;, 9\/16&#8243;, 3\/4&#8243;, 1&#8243;<\/span>\n<ul class=\"wp-block-list\">\n<li><span style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-black-color\"><em>Note: Smaller sizes beginning at&nbsp;<\/em><\/span><em><span style=\"background-color:rgba(0, 0, 0, 0);color:#a6192e\" class=\"has-inline-color\">0.5mm<\/span><\/em><span style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-black-color\"><em>&nbsp;available upon request.<\/em><\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"239\" height=\"239\" src=\"http:\/\/unionprocess.com\/wp-content\/uploads\/2020\/12\/zirconium-oxide-y203-95-grinding-balls.jpg\" alt=\"Zirconium Oxide Balls\" class=\"wp-image-719\" srcset=\"https:\/\/www.unionprocess.com\/wp-content\/uploads\/2020\/12\/zirconium-oxide-y203-95-grinding-balls.jpg 239w, https:\/\/www.unionprocess.com\/wp-content\/uploads\/2020\/12\/zirconium-oxide-y203-95-grinding-balls-150x150.jpg 150w\" sizes=\"(max-width: 239px) 100vw, 239px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Zirconium Oxide Balls<\/h4>\n\n\n\n<p>YTTRIA Stabilized, High purity 95% ZrO<sub>2<\/sub><\/p>\n\n\n\n<p>Zirconium Oxide Balls (95% ZrO2) are the strongest, best wearing ceramic media for metal-free, pharmaceutical and food processing grinding. These balls have a white, shiny appearance. They are also available in 3\u20448&#8243; and \u00bd&#8221; cylinders. This 95% grade is high-cost.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><em><strong>95% Beads<\/strong><\/em><\/li>\n\n\n\n<li><strong>Specific Gravity:<\/strong>&nbsp;6.0<\/li>\n\n\n\n<li><strong>Hardness:<\/strong>&nbsp;Hv 1150 kg\/mm<sup>2<\/sup><\/li>\n\n\n\n<li><strong>Relative Cost:<\/strong> High<\/li>\n\n\n\n<li><strong>Sizes Available:<\/strong><span style=\"color:#a6192e\" class=\"has-inline-color\">0.03mm, 0.05mm, 0.1mm, 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.65mm, 0.8mm, 1mm, 1.25mm, 1.5mm, 2mm<\/span>,&nbsp;3mm, 5mm, 6mm, 8mm, 10mm, 15mm, 20mm, 25mm\n<ul class=\"wp-block-list\">\n<li><em>Note: 6mm and 8mm limited availability. Cylinders available in 3\/8&#8243; and 1\/2&#8243; sizes.<\/em>&nbsp;<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"239\" height=\"239\" src=\"http:\/\/unionprocess.com\/wp-content\/uploads\/2020\/12\/zirconium-oxide-y203-93-grinding-media.jpg\" alt=\"Zirconium Oxide Beads\" class=\"wp-image-720\" srcset=\"https:\/\/www.unionprocess.com\/wp-content\/uploads\/2020\/12\/zirconium-oxide-y203-93-grinding-media.jpg 239w, https:\/\/www.unionprocess.com\/wp-content\/uploads\/2020\/12\/zirconium-oxide-y203-93-grinding-media-150x150.jpg 150w\" sizes=\"(max-width: 239px) 100vw, 239px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Zirconium Oxide Beads<\/h4>\n\n\n\n<p>YYTRIA Stabilized, 93% ZrO<sub>2<\/sub><\/p>\n\n\n\n<p>93% Zirconium Oxide Beads are another option for metal-free applications that are lower cost than 95% ZrO<sub>2<\/sub>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><em>93% Beads<\/em><\/strong><\/li>\n\n\n\n<li><strong>Specific Gravity:<\/strong>&nbsp;6.0<\/li>\n\n\n\n<li><strong>Hardness:<\/strong>&nbsp;Hv 1250 HV1<\/li>\n\n\n\n<li><strong>Relative Cost:<\/strong>&nbsp;Moderate<\/li>\n\n\n\n<li><strong>Sizes Available:<\/strong>&nbsp;<span style=\"color:#a6192e\" class=\"has-inline-color\">0.1mm, 0.15\u20130.28mm, 0.25\u20130.35mm, 0.35\u20130.45mm, 0.45\u20130.55mm, 0.6mm, 0.8mm, 1.0mm, 1.25mm, 1.5mm, 1.75mm, 2.0mm<\/span>, 2.3mm<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"239\" height=\"239\" src=\"http:\/\/unionprocess.com\/wp-content\/uploads\/2020\/12\/zirconium-oxide-rare-earth-grinding-media.jpg\" alt=\"Zirconium Oxide grinding media\" class=\"wp-image-721\" srcset=\"https:\/\/www.unionprocess.com\/wp-content\/uploads\/2020\/12\/zirconium-oxide-rare-earth-grinding-media.jpg 239w, https:\/\/www.unionprocess.com\/wp-content\/uploads\/2020\/12\/zirconium-oxide-rare-earth-grinding-media-150x150.jpg 150w\" sizes=\"(max-width: 239px) 100vw, 239px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Zirconium Oxide Satellites\/Beads (CeO<sub>2<\/sub> Rare Earth Stabilized)<\/h4>\n\n\n\n<p>Zirconium Oxide Satellites\u2014Ceria stabilized (rare earth)\u2014are a cheaper zirconium oxide alternative for metal-free applications. They are a brown, shiny ball media that come in size ranges in the smallest sizes (ex: 0.4\u2013 0.6mm), then at 6mm come in uniform sizes (6mm, 8mm, etc.) up to 31mm.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Specific Gravity:<\/strong>&nbsp;&nbsp;6.0<\/li>\n\n\n\n<li><strong>Hardness:<\/strong>&nbsp;Hv 1200 \u2013 1250<\/li>\n\n\n\n<li><strong>Relative Cost:<\/strong>&nbsp;Moderate<\/li>\n\n\n\n<li><strong>Sizes Available:<\/strong>&nbsp;0.4\u20130.6mm, 0.6\u2013<span style=\"color:#a6192e\" class=\"has-inline-color\">0.8mm, 0.8\u20131.0mm, 0.7\u20131.2mm, 1.0\u20131.2mm, 1.2\u20131.4mm, 1.4\u20131.6mm<\/span>,&nbsp;1.7\u20132.4mm, 2.4\u20132.8mm, 2.8\u20133.3mm, 6mm, 8mm, 10mm, 12.5mm, 16mm, 21mm, 26mm, 31mm&nbsp;<\/li>\n\n\n\n<li><em>Note: Sizes up to 2.8-3.3mm are beads. 6mm and larger are satellites.<\/em><\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"239\" height=\"239\" src=\"http:\/\/unionprocess.com\/wp-content\/uploads\/2020\/12\/zirconium-silicate-grinding-media.jpg\" alt=\"Zirconium Silicate \" class=\"wp-image-718\" srcset=\"https:\/\/www.unionprocess.com\/wp-content\/uploads\/2020\/12\/zirconium-silicate-grinding-media.jpg 239w, https:\/\/www.unionprocess.com\/wp-content\/uploads\/2020\/12\/zirconium-silicate-grinding-media-150x150.jpg 150w\" sizes=\"(max-width: 239px) 100vw, 239px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Zirconium Silicate Beads (Fused and Sintered)<\/h4>\n\n\n\n<p>Zirconium Silicate Beads are available in fused 68% ZrO<sub>2<\/sub> beads which are a standard reliable media at low cost, and sintered 58% ZrO<sub>2<\/sub> beads which have high breakage resistance, are durable and cost effective. They are used to microgrind paints, inks, dyes, magnetic coatings, minerals, agrochemicals and ceramics.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">Sintered (58% Z<sub>r<\/sub>0<sub>2<\/sub>, 37% SiO<sub>2<\/sub>)<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Specific Gravity:<\/strong>&nbsp;4.0<\/li>\n\n\n\n<li><strong>Hardness:<\/strong>&nbsp;800 HVI<\/li>\n\n\n\n<li><strong>Relative Cost:<\/strong>&nbsp;Moderate<\/li>\n\n\n\n<li><strong>Sizes Available:<\/strong>&nbsp;<span style=\"color:#a6192e\" class=\"has-inline-color\">0.8\u20131.0mm, 1.0\u20131.2mm, 1.2\u20131.4mm, 1.4\u20131.6mm, 1.6\u20131.8mm, 1.8\u20132.0mm<\/span>,&nbsp;2.0\u20132.2mm, 2.2\u20132.4mm, 2.4\u20132.6mm, 2.5\u20132.8m<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">Fused (68% Z<sub>r<\/sub>0<sub>2<\/sub>, 30% SiO<sub>2<\/sub>)<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Specific Gravity:<\/strong>&nbsp;3.8<\/li>\n\n\n\n<li><strong>Hardness:<\/strong>&nbsp;700 HVI<\/li>\n\n\n\n<li><strong>Relative Cost:<\/strong>&nbsp;Moderate<\/li>\n\n\n\n<li><strong>Sizes Available:<\/strong>&nbsp;<span style=\"color:#a6192e\" class=\"has-inline-color\">0.1\u20130.2mm, 0.2\u20130.3mm, 0.3\u20130.4mm, 0.4\u20130.6mm, 0.6\u20130.8mm, 0.8\u20131.0mm, 1.0\u20131.25mm, 1.25\u20131.6mm, 1.6\u20132.0mm<\/span>,&nbsp;2.0-2.5mm<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<p><strong>NOTE:<\/strong> Grinding balls and media are sold on a per pound basis, but ATTRITORS and DMQX-Mills are loaded by volume. Therefore, the more dense the media, the more pounds of media required. For instance, a machine requiring only 40 lbs. of stainless steel may require up to 80 lbs. of tungsten carbide. Information contained herein is accurate and reliable to the best of our knowledge, but our suggestions and recommendations cannot be guaranteed because the conditions of use are beyond our control.<\/p>\n\n\n\n<p>Our skilled technical service representatives also are available for consultation and are always ready to assist you with the selection of grinding media that best answer your particular needs. For assistance, contact Media Sales by calling (330) 929-3333 or by <a href=\"http:\/\/unionprocess.com\/contact\/request-a-quote\/grinding-media-quote-request\/\">requesting a quote<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Grinding Media &amp; Grinding Balls Grinding media, the objects used to refine material and reduce particle size, are available in a wide range of shapes, sizes and materials to meet an equally wide range of grinding and milling needs. As the developer and manufacturer of industry-leading particle size reduction equipment, including Attritors (internally agitated ball [&hellip;]<\/p>\n","protected":false},"author":15,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-39471","page","type-page","status-publish","hentry"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.unionprocess.com\/wp-json\/wp\/v2\/pages\/39471","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.unionprocess.com\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.unionprocess.com\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.unionprocess.com\/wp-json\/wp\/v2\/users\/15"}],"replies":[{"embeddable":true,"href":"https:\/\/www.unionprocess.com\/wp-json\/wp\/v2\/comments?post=39471"}],"version-history":[{"count":4,"href":"https:\/\/www.unionprocess.com\/wp-json\/wp\/v2\/pages\/39471\/revisions"}],"predecessor-version":[{"id":39541,"href":"https:\/\/www.unionprocess.com\/wp-json\/wp\/v2\/pages\/39471\/revisions\/39541"}],"wp:attachment":[{"href":"https:\/\/www.unionprocess.com\/wp-json\/wp\/v2\/media?parent=39471"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}