{"id":4943,"date":"2026-03-12T02:06:42","date_gmt":"2026-03-12T02:06:42","guid":{"rendered":"https:\/\/idaequipment.com\/?page_id=4943"},"modified":"2026-03-12T02:08:49","modified_gmt":"2026-03-12T02:08:49","slug":"grinding-media-selection-guide","status":"publish","type":"page","link":"https:\/\/idaequipment.com\/pt\/grinding-media-selection-guide\/","title":{"rendered":"Guia de sele\u00e7\u00e3o de m\u00eddia de moagem"},"content":{"rendered":"\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-1971164\" data-block-id=\"1971164\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-1971164-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-9dfc7c1\" data-v=\"4\" data-block-id=\"9dfc7c1\"><style>.stk-9dfc7c1-container{margin-top:var(--stk--preset--spacing--60, 2.25rem) !important;margin-right:var(--stk--preset--spacing--60, 2.25rem) !important;margin-bottom:var(--stk--preset--spacing--60, 2.25rem) !important;margin-left:var(--stk--preset--spacing--60, 2.25rem) !important;}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-9dfc7c1-container stk--no-background stk--no-padding\"><div class=\"has-text-align-center stk-block-content stk-inner-blocks stk-9dfc7c1-inner-blocks\"><div class=\"ct-breadcrumbs\" data-source=\"rankmath\" ><nav aria-label=\"breadcrumbs\" class=\"rank-math-breadcrumb\"><p><span class=\"last\">Home<\/span><\/p><\/nav><\/div><\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-ff2d6e2\" data-block-id=\"ff2d6e2\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-ff2d6e2-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-f67c0f5\" data-v=\"4\" data-block-id=\"f67c0f5\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-f67c0f5-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-f67c0f5-inner-blocks\">\n<section id=\"bx-media-selection-v1\">\n  <style>\n    @import url('https:\/\/fonts.googleapis.com\/css2?family=IBM+Plex+Mono:wght@400;600&display=swap');\n\n    #bx-media-selection-v1 * { box-sizing: border-box; margin: 0; padding: 0; }\n\n    #bx-media-selection-v1 {\n      max-width: 1060px;\n      margin: 0 auto;\n      padding: 40px 24px;\n      font-family: inherit !important;\n      color: #1a1a2e;\n      line-height: 1.6;\n    }\n\n    #bx-media-selection-v1 h2 {\n      font-family: inherit !important;\n      color: #0060A8;\n      margin-bottom: 8px;\n      font-weight: 700;\n      line-height: 1.25;\n    }\n\n    #bx-media-selection-v1 h3 {\n      font-family: inherit !important;\n      font-size: 1.15rem;\n      color: #1a1a2e;\n      margin-bottom: 6px;\n      font-weight: 600;\n    }\n\n    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-webkit-appearance: none;\n      background-image: url(\"data:image\/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' xmlns='http:\/\/www.w3.org\/2000\/svg'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23666' stroke-width='2' fill='none'\/%3E%3C\/svg%3E\");\n      background-repeat: no-repeat;\n      background-position: right 14px center;\n    }\n\n    #bx-media-selection-v1 .bx-field select option {\n      color: #1a1a2e;\n      background: #fff;\n    }\n\n    #bx-media-selection-v1 .bx-field select:focus {\n      outline: none;\n      border-color: #0060A8;\n      box-shadow: 0 0 0 3px rgba(0,96,168,0.12);\n    }\n\n    #bx-media-selection-v1 .bx-btn-row {\n      text-align: center;\n      margin-bottom: 36px;\n    }\n\n    #bx-media-selection-v1 .bx-btn-primary {\n      display: inline-flex;\n      align-items: center;\n      gap: 8px;\n      padding: 13px 36px;\n      background: #0060A8;\n      color: #fff;\n      font-size: 1rem;\n      font-weight: 700;\n      font-family: inherit !important;\n      border: none;\n      border-radius: 8px;\n      cursor: pointer;\n      transition: background 0.2s, transform 0.1s;\n      letter-spacing: 0.02em;\n    }\n\n    #bx-media-selection-v1 .bx-btn-primary:hover { background: #004d8a; }\n    #bx-media-selection-v1 .bx-btn-primary:active { transform: scale(0.98); }\n\n    \/* Results *\/\n    #bx-media-selection-v1 .bx-results-wrap {\n      display: none;\n    }\n\n    #bx-media-selection-v1 .bx-results-wrap.bx-visible {\n      display: block;\n      animation: bxFadeIn 0.4s ease;\n    }\n\n    @keyframes bxFadeIn {\n      from { opacity: 0; transform: translateY(12px); }\n      to { opacity: 1; transform: translateY(0); }\n    }\n\n    \/* Recommended Card *\/\n    #bx-media-selection-v1 .bx-rec-card {\n      background: linear-gradient(135deg, #f0f7ff 0%, #fff 60%);\n      border: 2px solid #0060A8;\n      border-radius: 14px;\n      padding: 32px;\n      margin-bottom: 28px;\n      position: relative;\n      overflow: hidden;\n    }\n\n    #bx-media-selection-v1 .bx-rec-card::before {\n      content: '';\n      position: absolute;\n      top: 0; left: 0;\n      width: 6px; height: 100%;\n      background: #FF6B00;\n      border-radius: 14px 0 0 14px;\n    }\n\n    #bx-media-selection-v1 .bx-rec-badge {\n      display: inline-block;\n      background: #FF6B00;\n      color: #fff;\n      font-size: 0.75rem;\n      font-weight: 700;\n      text-transform: uppercase;\n      letter-spacing: 0.08em;\n      padding: 4px 14px;\n      border-radius: 20px;\n      margin-bottom: 14px;\n    }\n\n    #bx-media-selection-v1 .bx-rec-title {\n      font-family: inherit !important;\n      font-size: 1.5rem;\n      font-weight: 700;\n      color: #0060A8;\n      margin-bottom: 18px;\n    }\n\n    #bx-media-selection-v1 .bx-specs-grid {\n      display: grid;\n      grid-template-columns: repeat(4, 1fr);\n      gap: 16px;\n      margin-bottom: 22px;\n    }\n\n    #bx-media-selection-v1 .bx-spec-item {\n      background: #fff;\n      border: 1px solid #e4e8ee;\n      border-radius: 10px;\n      padding: 14px 16px;\n      text-align: center;\n    }\n\n    #bx-media-selection-v1 .bx-spec-label {\n      font-size: 0.72rem;\n      font-weight: 600;\n      text-transform: uppercase;\n      letter-spacing: 0.06em;\n      color: #777;\n      margin-bottom: 4px;\n    }\n\n    #bx-media-selection-v1 .bx-spec-value {\n      font-family: 'IBM Plex Mono', monospace;\n      font-size: 1.1rem;\n      font-weight: 600;\n      color: #1a1a2e;\n    }\n\n    #bx-media-selection-v1 .bx-spec-value.bx-cost {\n      color: #FF6B00;\n    }\n\n    #bx-media-selection-v1 .bx-wear-low { color: #16a34a; }\n    #bx-media-selection-v1 .bx-wear-med { color: #d97706; }\n    #bx-media-selection-v1 .bx-wear-high { color: #dc2626; }\n\n    #bx-media-selection-v1 .bx-why-box {\n      background: #fff;\n      border-left: 3px solid #0060A8;\n      padding: 16px 20px;\n      border-radius: 0 8px 8px 0;\n      margin-bottom: 22px;\n      font-size: 0.95rem;\n      color: #444;\n      line-height: 1.7;\n    }\n\n    #bx-media-selection-v1 .bx-cta-btn {\n      display: inline-flex;\n      align-items: center;\n      gap: 8px;\n      padding: 14px 32px;\n      background: #FF6B00;\n      color: #fff;\n      font-size: 1rem;\n      font-weight: 700;\n      font-family: inherit !important;\n      border: none;\n      border-radius: 8px;\n      cursor: pointer;\n      text-decoration: none;\n      transition: background 0.2s, transform 0.1s;\n    }\n\n    #bx-media-selection-v1 .bx-cta-btn:hover { background: #e55d00; }\n    #bx-media-selection-v1 .bx-cta-btn:active { transform: scale(0.98); }\n\n    \/* Comparison Table *\/\n    #bx-media-selection-v1 .bx-compare-section {\n      margin-top: 36px;\n    }\n\n    #bx-media-selection-v1 .bx-compare-section h3 {\n      font-size: 1.1rem;\n      margin-bottom: 16px;\n      color: #333;\n    }\n\n    #bx-media-selection-v1 .bx-compare-table {\n      width: 100%;\n      border-collapse: separate;\n      border-spacing: 0;\n      border-radius: 10px;\n      overflow: hidden;\n      border: 1px solid #e0e4ea;\n      font-size: 0.9rem;\n    }\n\n    #bx-media-selection-v1 .bx-compare-table thead th {\n      background: #0060A8;\n      color: #fff;\n      font-weight: 600;\n      font-size: 0.78rem;\n      text-transform: uppercase;\n      letter-spacing: 0.05em;\n      padding: 12px 14px;\n      text-align: left;\n    }\n\n    #bx-media-selection-v1 .bx-compare-table tbody td {\n      padding: 11px 14px;\n      border-bottom: 1px solid #edf0f4;\n      vertical-align: middle;\n    }\n\n    #bx-media-selection-v1 .bx-compare-table tbody tr:last-child td {\n      border-bottom: none;\n    }\n\n    #bx-media-selection-v1 .bx-compare-table tbody tr:nth-child(even) {\n      background: #f8fafc;\n    }\n\n    #bx-media-selection-v1 .bx-compare-table tbody tr.bx-row-rec {\n      background: #eef6ff !important;\n      font-weight: 600;\n    }\n\n    #bx-media-selection-v1 .bx-compare-table .bx-rec-tag {\n      display: inline-block;\n      background: #FF6B00;\n      color: #fff;\n      font-size: 0.65rem;\n      font-weight: 700;\n      padding: 2px 8px;\n      border-radius: 10px;\n      margin-left: 6px;\n      vertical-align: middle;\n      text-transform: uppercase;\n      letter-spacing: 0.04em;\n    }\n\n    #bx-media-selection-v1 .bx-compare-table .bx-num {\n      font-family: 'IBM Plex Mono', monospace;\n      font-weight: 600;\n    }\n\n    #bx-media-selection-v1 .bx-match-bar-wrap {\n      display: flex;\n      align-items: center;\n      gap: 8px;\n    }\n\n    #bx-media-selection-v1 .bx-match-bar {\n      flex: 1;\n      height: 8px;\n      background: #e4e8ee;\n      border-radius: 4px;\n      overflow: hidden;\n      max-width: 100px;\n    }\n\n    #bx-media-selection-v1 .bx-match-bar-fill {\n      height: 100%;\n      border-radius: 4px;\n      transition: width 0.5s ease;\n    }\n\n    #bx-media-selection-v1 .bx-match-pct {\n      font-family: 'IBM Plex Mono', monospace;\n      font-size: 0.82rem;\n      font-weight: 600;\n      min-width: 36px;\n    }\n\n    \/* Responsive *\/\n    @media (max-width: 860px) {\n      #bx-media-selection-v1 .bx-form-grid {\n        grid-template-columns: 1fr;\n        gap: 14px;\n      }\n      #bx-media-selection-v1 .bx-specs-grid {\n        grid-template-columns: 1fr 1fr;\n      }\n      #bx-media-selection-v1 .bx-rec-card {\n        padding: 22px 18px 22px 24px;\n      }\n      #bx-media-selection-v1 .bx-compare-table {\n        font-size: 0.8rem;\n      }\n      #bx-media-selection-v1 .bx-compare-table thead th,\n      #bx-media-selection-v1 .bx-compare-table tbody td {\n        padding: 9px 8px;\n      }\n      #bx-media-selection-v1 .bx-match-bar { max-width: 60px; }\n    }\n\n    @media (max-width: 540px) {\n      #bx-media-selection-v1 { padding: 24px 14px; }\n      #bx-media-selection-v1 .bx-specs-grid {\n        grid-template-columns: 1fr;\n      }\n      #bx-media-selection-v1 .bx-rec-title { font-size: 1.25rem; }\n      #bx-media-selection-v1 .bx-compare-table-wrap {\n        overflow-x: auto;\n        -webkit-overflow-scrolling: touch;\n      }\n      #bx-media-selection-v1 .bx-compare-table { min-width: 560px; }\n    }\n  <\/style>\n\n  <h2>Grinding Media Selection Guide<\/h2>\n  <p class=\"bx-subtitle\">Answer three questions about your bead mill application and get an instant recommendation for the optimal grinding media type and size.<\/p>\n\n  <div class=\"bx-form-grid\">\n    <div class=\"bx-field\">\n      <label for=\"bx-particle-size\">Target Particle Size<\/label>\n      <select id=\"bx-particle-size\">\n        <option value=\"\" disabled selected>Select target size&#8230;<\/option>\n        <option value=\"coarse\">&gt;10 &#181;m &mdash; Coarse<\/option>\n        <option value=\"fine\">1&ndash;10 &#181;m &mdash; Fine<\/option>\n        <option value=\"submicron\">0.1&ndash;1 &#181;m &mdash; Sub-micron<\/option>\n        <option value=\"nano\">&lt;100 nm &mdash; Nano<\/option>\n      <\/select>\n    <\/div>\n    <div class=\"bx-field\">\n      <label for=\"bx-material\">Material Being Ground<\/label>\n      <select id=\"bx-material\">\n        <option value=\"\" disabled selected>Select material&#8230;<\/option>\n        <option value=\"pigments\">Pigments \/ Dyes<\/option>\n        <option value=\"paints\">Paints \/ Coatings<\/option>\n        <option value=\"inks\">Inks<\/option>\n        <option value=\"battery\">Battery Materials<\/option>\n        <option value=\"pharma\">Pharmaceuticals<\/option>\n        <option value=\"ceramics\">Ceramics \/ Minerals<\/option>\n        <option value=\"cosmetics\">Cosmetics<\/option>\n        <option value=\"adhesives\">Adhesives \/ Sealants<\/option>\n        <option value=\"nano\">Nano Materials<\/option>\n      <\/select>\n    <\/div>\n    <div class=\"bx-field\">\n      <label for=\"bx-contam\">Contamination Sensitivity<\/label>\n      <select id=\"bx-contam\">\n        <option value=\"\" disabled selected>Select sensitivity&#8230;<\/option>\n        <option value=\"low\">Low &mdash; General Industrial<\/option>\n        <option value=\"medium\">Medium &mdash; Food \/ Cosmetic Grade<\/option>\n        <option value=\"high\">High &mdash; Pharma \/ Electronic Grade<\/option>\n      <\/select>\n    <\/div>\n  <\/div>\n\n  <div class=\"bx-btn-row\">\n    <button type=\"button\" class=\"bx-btn-primary\" id=\"bx-calc-btn\">\n      <svg width=\"18\" height=\"18\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><circle cx=\"11\" cy=\"11\" r=\"8\"\/><line x1=\"21\" y1=\"21\" x2=\"16.65\" y2=\"16.65\"\/><\/svg>\n      Get Recommendation\n    <\/button>\n  <\/div>\n\n  <div class=\"bx-results-wrap\" id=\"bx-results\">\n    <!-- Recommended Card -->\n    <div class=\"bx-rec-card\">\n      <span class=\"bx-rec-badge\">Best Match<\/span>\n      <div class=\"bx-rec-title\" id=\"bx-rec-name\"><\/div>\n      <div class=\"bx-specs-grid\">\n        <div class=\"bx-spec-item\">\n          <div class=\"bx-spec-label\">Media Size<\/div>\n          <div class=\"bx-spec-value\" id=\"bx-rec-size\"><\/div>\n        <\/div>\n        <div class=\"bx-spec-item\">\n          <div class=\"bx-spec-label\">Density<\/div>\n          <div class=\"bx-spec-value\" id=\"bx-rec-density\"><\/div>\n        <\/div>\n        <div class=\"bx-spec-item\">\n          <div class=\"bx-spec-label\">Wear Rate<\/div>\n          <div class=\"bx-spec-value\" id=\"bx-rec-wear\"><\/div>\n        <\/div>\n        <div class=\"bx-spec-item\">\n          <div class=\"bx-spec-label\">Cost Level<\/div>\n          <div class=\"bx-spec-value bx-cost\" id=\"bx-rec-cost\"><\/div>\n        <\/div>\n      <\/div>\n      <div class=\"bx-why-box\" id=\"bx-rec-why\"><\/div>\n      <a href=\"#ct-popup-1329\" class=\"bx-cta-btn\">\n        <svg width=\"16\" height=\"16\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M6 2L3 6v14a2 2 0 002 2h14a2 2 0 002-2V6l-3-4z\"\/><line x1=\"3\" y1=\"6\" x2=\"21\" y2=\"6\"\/><path d=\"M16 10a4 4 0 01-8 0\"\/><\/svg>\n        Order Media Samples\n      <\/a>\n    <\/div>\n\n    <!-- Comparison -->\n    <div class=\"bx-compare-section\">\n      <h3>All Media Types &mdash; Comparison for Your Application<\/h3>\n      <div class=\"bx-compare-table-wrap\">\n        <table class=\"bx-compare-table\">\n          <thead>\n            <tr>\n              <th>Media Type<\/th>\n              <th>Density<\/th>\n              <th>Size Range<\/th>\n              <th>Wear<\/th>\n              <th>Cost<\/th>\n              <th>Match<\/th>\n            <\/tr>\n          <\/thead>\n          <tbody id=\"bx-compare-body\"><\/tbody>\n        <\/table>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <script>\n  (function(){\n    \/* \u2500\u2500 Media Database \u2500\u2500 *\/\n    var mediaDB = {\n      ytz: {\n        name: 'Yttria-Stabilized Zirconia (YTZ)',\n        shortName: 'YTZ Zirconia',\n        density: 6.0,\n        wear: 'Low',\n        cost: '$$$$',\n        costVal: 4,\n        sizes: { coarse: '1.2 \u2013 2.0 mm', fine: '0.6 \u2013 1.0 mm', submicron: '0.2 \u2013 0.5 mm', nano: '0.05 \u2013 0.2 mm' }\n      },\n      zs: {\n        name: 'Zirconium Silicate (ZS)',\n        shortName: 'Zirconium Silicate',\n        density: 3.7,\n        wear: 'Medium',\n        cost: '$$$',\n        costVal: 3,\n        sizes: { coarse: '1.5 \u2013 2.5 mm', fine: '0.8 \u2013 1.2 mm', submicron: '0.3 \u2013 0.6 mm', nano: '0.1 \u2013 0.3 mm' }\n      },\n      glass: {\n        name: 'Glass Beads',\n        shortName: 'Glass',\n        density: 2.5,\n        wear: 'High',\n        cost: '$',\n        costVal: 1,\n        sizes: { coarse: '2.0 \u2013 3.0 mm', fine: '1.0 \u2013 1.5 mm', submicron: '0.5 \u2013 0.8 mm', nano: '0.3 \u2013 0.5 mm' }\n      },\n      alumina: {\n        name: 'Alumina (Al\u2082O\u2083)',\n        shortName: 'Alumina',\n        density: 3.6,\n        wear: 'Medium',\n        cost: '$$$',\n        costVal: 3,\n        sizes: { coarse: '1.5 \u2013 2.5 mm', fine: '0.8 \u2013 1.2 mm', submicron: '0.3 \u2013 0.6 mm', nano: '0.1 \u2013 0.3 mm' }\n      },\n      steel: {\n        name: 'Steel Balls',\n        shortName: 'Steel',\n        density: 7.8,\n        wear: 'Medium',\n        cost: '$$',\n        costVal: 2,\n        sizes: { coarse: '2.0 \u2013 4.0 mm', fine: '1.0 \u2013 2.0 mm', submicron: '0.5 \u2013 1.0 mm', nano: '0.3 \u2013 0.5 mm' }\n      }\n    };\n\n    \/* \u2500\u2500 Scoring Logic \u2500\u2500 *\/\n    function scoreMedia(key, size, mat, contam) {\n      var s = 50; \/* base score *\/\n      var m = mediaDB[key];\n\n      \/* Particle-size fit *\/\n      if (size === 'nano') {\n        if (key === 'ytz') s += 40;\n        else if (key === 'zs') s += 18;\n        else if (key === 'alumina') s += 12;\n        else if (key === 'glass') s -= 15;\n        else if (key === 'steel') s -= 10;\n      } else if (size === 'submicron') {\n        if (key === 'ytz') s += 35;\n        else if (key === 'zs') s += 22;\n        else if (key === 'alumina') s += 15;\n        else if (key === 'glass') s -= 5;\n        else if (key === 'steel') s -= 5;\n      } else if (size === 'fine') {\n        if (key === 'zs') s += 28;\n        else if (key === 'ytz') s += 20;\n        else if (key === 'alumina') s += 18;\n        else if (key === 'glass') s += 10;\n        else if (key === 'steel') s += 5;\n      } else { \/* coarse *\/\n        if (key === 'glass') s += 25;\n        else if (key === 'zs') s += 20;\n        else if (key === 'steel') s += 18;\n        else if (key === 'alumina') s += 15;\n        else if (key === 'ytz') s += 5;\n      }\n\n      \/* Material-specific bonuses *\/\n      if (mat === 'battery' || mat === 'nano') {\n        if (key === 'ytz') s += 15;\n      }\n      if (mat === 'pharma') {\n        if (key === 'ytz') s += 12;\n        if (key === 'steel') s -= 20;\n      }\n      if (mat === 'ceramics') {\n        if (key === 'alumina') s += 12;\n        if (key === 'ytz') s += 8;\n      }\n      if (mat === 'pigments' || mat === 'paints' || mat === 'inks') {\n        if (key === 'zs') s += 12;\n        if (key === 'glass') s += 5;\n      }\n      if (mat === 'cosmetics') {\n        if (key === 'zs') s += 8;\n        if (key === 'steel') s -= 15;\n      }\n      if (mat === 'adhesives') {\n        if (key === 'zs') s += 8;\n        if (key === 'glass') s += 5;\n      }\n\n      \/* Contamination sensitivity *\/\n      if (contam === 'high') {\n        if (key === 'ytz') s += 15;\n        if (key === 'steel') s -= 20;\n        if (key === 'glass') s -= 10;\n      } else if (contam === 'medium') {\n        if (key === 'ytz') s += 8;\n        if (key === 'zs') s += 5;\n        if (key === 'steel') s -= 10;\n      }\n\n      return Math.max(0, Math.min(100, s));\n    }\n\n    \/* \u2500\u2500 Why-text Generator \u2500\u2500 *\/\n    function whyText(key, size, mat, contam) {\n      var m = mediaDB[key];\n      var lines = [];\n\n      if (key === 'ytz') {\n        lines.push('Yttria-Stabilized Zirconia offers the highest density (6.0 g\/cm\\u00B3) and extreme hardness, delivering maximum energy transfer for ' + sizeLabel(size) + ' grinding.');\n        if (contam === 'high') lines.push('Its near-zero contamination profile makes it the gold standard for pharmaceutical and electronic-grade applications.');\n        else lines.push('YTZ media provides the lowest wear rate of any grinding media, minimizing product contamination and reducing replacement costs over time.');\n        lines.push('Ideal for ' + matLabel(mat) + ' where consistent particle-size distribution and purity are critical.');\n      } else if (key === 'zs') {\n        lines.push('Zirconium Silicate provides an excellent balance of grinding efficiency and cost for ' + sizeLabel(size) + ' particle reduction in ' + matLabel(mat) + '.');\n        lines.push('At 3.7 g\/cm\\u00B3 density, ZS beads deliver strong impact energy with moderate wear, making them a popular choice across paint, ink, and pigment industries.');\n        lines.push('A cost-effective alternative when ultra-low contamination is not the primary requirement.');\n      } else if (key === 'glass') {\n        lines.push('Glass beads offer the lowest cost entry point for ' + sizeLabel(size) + ' grinding of ' + matLabel(mat) + ', making them practical for high-volume, cost-sensitive operations.');\n        lines.push('Their lower density (2.5 g\/cm\\u00B3) means gentler grinding action, which suits applications where over-milling is a concern.');\n        lines.push('Higher wear rate means more frequent replacement, but the per-unit cost is significantly lower than ceramic alternatives.');\n      } else if (key === 'alumina') {\n        lines.push('Alumina media provides excellent chemical resistance and consistent performance for ' + sizeLabel(size) + ' grinding of ' + matLabel(mat) + '.');\n        lines.push('With a density of 3.6 g\/cm\\u00B3 and strong hardness, alumina beads resist chemical attack from aggressive slurries better than most alternatives.');\n        lines.push('A solid mid-range option balancing cost, wear resistance, and grinding efficiency.');\n      } else if (key === 'steel') {\n        lines.push('Steel balls provide the highest density (7.8 g\/cm\\u00B3) of any grinding media, generating maximum impact force for ' + sizeLabel(size) + ' size reduction.');\n        lines.push('Best suited for applications where magnetic separation is needed or where the ground material is not contamination-sensitive.');\n        if (mat === 'ceramics') lines.push('Effective for hard ceramic and mineral grinding where sheer impact force is more important than media wear.');\n        else lines.push('Moderate cost and wide availability make steel a practical choice for general industrial grinding tasks.');\n      }\n\n      return lines.join(' ');\n    }\n\n    function sizeLabel(s) {\n      return { coarse: 'coarse (>10 \\u00B5m)', fine: 'fine (1\\u201310 \\u00B5m)', submicron: 'sub-micron (0.1\\u20131 \\u00B5m)', nano: 'nano (<100 nm)' }[s] || s;\n    }\n    function matLabel(m) {\n      return { pigments:'pigments and dyes', paints:'paints and coatings', inks:'printing inks', battery:'battery materials', pharma:'pharmaceutical compounds', ceramics:'ceramics and minerals', cosmetics:'cosmetic formulations', adhesives:'adhesives and sealants', nano:'nano-material dispersions' }[m] || m;\n    }\n\n    \/* \u2500\u2500 Render \u2500\u2500 *\/\n    function render() {\n      var sizeEl = document.getElementById('bx-particle-size');\n      var matEl = document.getElementById('bx-material');\n      var contEl = document.getElementById('bx-contam');\n\n      var size = sizeEl.value;\n      var mat = matEl.value;\n      var contam = contEl.value;\n\n      if (!size || !mat || !contam) {\n        alert('Please select all three fields before calculating.');\n        return;\n      }\n\n      \/* Score all media *\/\n      var scores = [];\n      var keys = ['ytz','zs','glass','alumina','steel'];\n      for (var i = 0; i < keys.length; i++) {\n        scores.push({ key: keys[i], score: scoreMedia(keys[i], size, mat, contam) });\n      }\n      scores.sort(function(a,b){ return b.score - a.score; });\n\n      var best = scores[0];\n      var bm = mediaDB[best.key];\n\n      \/* Fill recommendation card *\/\n      document.getElementById('bx-rec-name').textContent = bm.name;\n      document.getElementById('bx-rec-size').textContent = bm.sizes[size];\n      document.getElementById('bx-rec-density').textContent = bm.density.toFixed(1) + ' g\/cm\\u00B3';\n\n      var wearEl = document.getElementById('bx-rec-wear');\n      wearEl.textContent = bm.wear;\n      wearEl.className = 'bx-spec-value ' + ({ Low:'bx-wear-low', Medium:'bx-wear-med', High:'bx-wear-high' }[bm.wear]);\n\n      document.getElementById('bx-rec-cost').textContent = bm.cost;\n      document.getElementById('bx-rec-why').textContent = whyText(best.key, size, mat, contam);\n\n      \/* Fill comparison table *\/\n      var tbody = document.getElementById('bx-compare-body');\n      tbody.innerHTML = '';\n      var maxScore = scores[0].score;\n\n      for (var j = 0; j < scores.length; j++) {\n        var s = scores[j];\n        var m = mediaDB[s.key];\n        var isRec = j === 0;\n        var pct = Math.round((s.score \/ maxScore) * 100);\n        var barColor = pct >= 80 ? '#0060A8' : pct >= 50 ? '#FF6B00' : '#aaa';\n\n        var tr = document.createElement('tr');\n        if (isRec) tr.className = 'bx-row-rec';\n\n        tr.innerHTML =\n          '<td>' + m.shortName + (isRec ? '<span class=\"bx-rec-tag\">Recommended<\/span>' : '') + '<\/td>' +\n          '<td class=\"bx-num\">' + m.density.toFixed(1) + ' g\/cm\\u00B3<\/td>' +\n          '<td class=\"bx-num\">' + m.sizes[size] + '<\/td>' +\n          '<td>' + m.wear + '<\/td>' +\n          '<td class=\"bx-num\">' + m.cost + '<\/td>' +\n          '<td><div class=\"bx-match-bar-wrap\"><div class=\"bx-match-bar\"><div class=\"bx-match-bar-fill\" style=\"width:' + pct + '%;background:' + barColor + '\"><\/div><\/div><span class=\"bx-match-pct\">' + pct + '%<\/span><\/div><\/td>';\n\n        tbody.appendChild(tr);\n      }\n\n      \/* Show results *\/\n      var wrap = document.getElementById('bx-results');\n      wrap.classList.add('bx-visible');\n      wrap.scrollIntoView({ behavior: 'smooth', block: 'start' });\n    }\n\n    \/* \u2500\u2500 Bind \u2500\u2500 *\/\n    document.getElementById('bx-calc-btn').addEventListener('click', render);\n  })();\n  <\/script>\n<\/section>\n\n<\/div><\/div><\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Grinding Media Selection Guide Answer three questions about your bead mill application and get an instant recommendation for the optimal grinding media type and size. Target Particle Size Select target size&#8230;&gt;10 &#181;m &mdash; Coarse1&ndash;10 &#181;m &mdash; Fine0.1&ndash;1 &#181;m &mdash; Sub-micron&lt;100 nm &mdash; Nano Material Being Ground Select material&#8230;Pigments \/ DyesPaints \/ CoatingsInksBattery MaterialsPharmaceuticalsCeramics \/ MineralsCosmeticsAdhesives [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_gspb_post_css":"","footnotes":""},"class_list":["post-4943","page","type-page","status-publish","hentry"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/idaequipment.com\/pt\/wp-json\/wp\/v2\/pages\/4943","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idaequipment.com\/pt\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/idaequipment.com\/pt\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/idaequipment.com\/pt\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/idaequipment.com\/pt\/wp-json\/wp\/v2\/comments?post=4943"}],"version-history":[{"count":0,"href":"https:\/\/idaequipment.com\/pt\/wp-json\/wp\/v2\/pages\/4943\/revisions"}],"wp:attachment":[{"href":"https:\/\/idaequipment.com\/pt\/wp-json\/wp\/v2\/media?parent=4943"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}