{"id":4436,"date":"2026-04-29T06:15:41","date_gmt":"2026-04-29T06:15:41","guid":{"rendered":"https:\/\/bbpmfg.com\/?page_id=4436"},"modified":"2026-04-29T07:35:26","modified_gmt":"2026-04-29T07:35:26","slug":"slurry-pump-material-selector","status":"publish","type":"page","link":"https:\/\/bbpmfg.com\/es\/slurry-pumps\/slurry-pump-material-selector\/","title":{"rendered":"Selector de material de bomba de lodo"},"content":{"rendered":"\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-afee1cf\" data-block-id=\"afee1cf\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-afee1cf-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-d7edbb7\" data-v=\"4\" data-block-id=\"d7edbb7\"><style>.stk-d7edbb7-container{margin-top:30px !important;margin-right:30px !important;margin-bottom:30px !important;margin-left:30px !important;}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-d7edbb7-container stk--no-background stk--no-padding\"><div class=\"has-text-align-center stk-block-content stk-inner-blocks stk-d7edbb7-inner-blocks\">\n<h1>Slurry Pump Liner Material Selector<\/h1>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-7ba3cec\" data-block-id=\"7ba3cec\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-7ba3cec-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-b42c243\" data-v=\"4\" data-block-id=\"b42c243\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-b42c243-container stk--no-background stk--no-padding\"><div class=\"has-text-align-center stk-block-content stk-inner-blocks stk-b42c243-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-8567b07\" data-block-id=\"8567b07\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-8567b07-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-9eb71b5\" data-v=\"4\" data-block-id=\"9eb71b5\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-9eb71b5-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-9eb71b5-inner-blocks\">\n<section id=\"bx-material-v1\">\n<style>\n  @import url('https:\/\/fonts.googleapis.com\/css2?family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@600&display=swap');\n\n  \/* ==========================================================================\n     1. Base Scope & Full-Bleed Layout\n     ========================================================================== *\/\n  #bx-material-v1 {\n    width: 100% !important;\n    background-color: #f4f7fa !important; \/* Full-bleed light industrial background *\/\n    padding: 70px 30px !important;\n    box-sizing: border-box !important;\n    font-family: 'Inter', sans-serif !important;\n  }\n\n  \/* Anchored Content Container *\/\n  #bx-material-v1 .bx-container {\n    max-width: 1600px !important;\n    margin: 0 auto !important;\n    display: flex !important;\n    justify-content: center !important;\n  }\n\n  \/* Tool Wrapper (Restricts excessive width for usability) *\/\n  #bx-material-v1 .bx-tool-wrapper {\n    width: 100% !important;\n    max-width: 1000px !important;\n    background: #ffffff !important;\n    border: 1px solid #dde2ee !important;\n    border-radius: 12px !important;\n    overflow: hidden !important;\n    box-shadow: 0 15px 35px rgba(0,0,0,0.04) !important;\n  }\n\n  \/* ==========================================================================\n     2. Typography Integration (H2, H3, H4)\n     ========================================================================== *\/\n  #bx-material-v1 h2.bx-title-h2, \n  #bx-material-v1 h3.bx-title-h3, \n  #bx-material-v1 h4.bx-title-h4 {\n    font-family: inherit !important;\n    font-weight: 700 !important;\n    margin: 0 !important;\n    padding: 0 !important;\n    line-height: 1.3 !important;\n  }\n\n  #bx-material-v1 .tool-header {\n    background: #1848C0 !important;\n    color: #ffffff !important;\n    padding: 35px 40px !important;\n  }\n\n  #bx-material-v1 h2.bx-title-h2 {\n    color: #ffffff !important;\n    font-size: 32px !important; \/* Strictly set to 32px as requested *\/\n    margin-bottom: 10px !important;\n  }\n\n  #bx-material-v1 .tool-header p {\n    margin: 0 !important;\n    opacity: 0.9 !important;\n    font-size: 16px !important;\n    line-height: 1.5 !important;\n  }\n\n  \/* ==========================================================================\n     3. Tool Body & Inputs\n     ========================================================================== *\/\n  #bx-material-v1 .tool-body {\n    padding: 40px !important;\n  }\n\n  #bx-material-v1 .data-note {\n    background: #f0f4ff !important;\n    border-left: 4px solid #1848C0 !important;\n    padding: 12px 16px !important;\n    border-radius: 0 6px 6px 0 !important;\n    font-size: 14px !important;\n    color: #334155 !important;\n    margin-bottom: 30px !important;\n    line-height: 1.5 !important;\n  }\n\n  #bx-material-v1 .input-grid {\n    display: grid !important;\n    grid-template-columns: 1fr 1fr !important;\n    gap: 20px 24px !important;\n    margin-bottom: 10px !important;\n  }\n\n  #bx-material-v1 .field {\n    margin-bottom: 16px !important;\n  }\n\n  #bx-material-v1 .field label {\n    display: block !important;\n    font-size: 14.5px !important;\n    font-weight: 600 !important;\n    color: #1e293b !important;\n    margin-bottom: 8px !important;\n  }\n\n  #bx-material-v1 .field select, \n  #bx-material-v1 .field input {\n    width: 100% !important;\n    height: 48px !important;\n    padding: 0 16px !important;\n    border: 1px solid #cbd5e1 !important;\n    border-radius: 6px !important;\n    font-size: 15px !important;\n    box-sizing: border-box !important;\n    color: #0f172a !important;\n    background: #f8fafc !important;\n    appearance: none !important;\n    font-family: inherit !important;\n    transition: all 0.2s ease !important;\n  }\n\n  #bx-material-v1 .field select {\n    background-image: url(\"data:image\/svg+xml,%3Csvg xmlns='http:\/\/www.w3.org\/2000\/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%231848C0'\/%3E%3C\/svg%3E\") !important;\n    background-repeat: no-repeat !important;\n    background-position: right 16px center !important;\n    padding-right: 40px !important;\n    cursor: pointer !important;\n  }\n\n  #bx-material-v1 .field input:focus, \n  #bx-material-v1 .field select:focus {\n    outline: none !important;\n    border-color: #1848C0 !important;\n    box-shadow: 0 0 0 3px rgba(24, 72, 192, 0.1) !important;\n    background: #ffffff !important;\n  }\n\n  #bx-material-v1 .unit {\n    font-size: 12.5px !important;\n    color: #64748b !important;\n    margin-top: 6px !important;\n  }\n\n  #bx-material-v1 .d85-helper {\n    background: #f8fafc !important;\n    border: 1px solid #e2e8f0 !important;\n    border-radius: 6px !important;\n    padding: 16px !important;\n    margin-top: 10px !important;\n    font-size: 14px !important;\n    color: #475569 !important;\n    line-height: 1.5 !important;\n  }\n\n  #bx-material-v1 .d85-helper strong {\n    color: #1848C0 !important;\n  }\n\n  #bx-material-v1 .calc-btn {\n    display: block !important;\n    width: 100% !important;\n    height: 54px !important;\n    background: #1848C0 !important;\n    color: #ffffff !important;\n    border: none !important;\n    border-radius: 8px !important;\n    font-size: 16px !important;\n    font-weight: 700 !important;\n    cursor: pointer !important;\n    transition: background 0.2s !important;\n    margin: 30px 0 20px !important;\n    font-family: inherit !important;\n    letter-spacing: 0.5px !important;\n  }\n\n  #bx-material-v1 .calc-btn:hover {\n    background: #1238a0 !important;\n  }\n\n  \/* ==========================================================================\n     4. Results Section & Cards\n     ========================================================================== *\/\n  #bx-material-v1 .results {\n    display: none;\n    animation: bx-mat-fade 0.4s ease forwards !important;\n  }\n\n  @keyframes bx-mat-fade {\n    from { opacity: 0; transform: translateY(10px); }\n    to { opacity: 1; transform: translateY(0); }\n  }\n\n  #bx-material-v1 .rec-card {\n    border-radius: 10px !important;\n    padding: 30px !important;\n    margin-bottom: 25px !important;\n  }\n\n  #bx-material-v1 .rec-card.chrome { background: linear-gradient(135deg, #e8ecf8 0%, #c8d4f0 100%) !important; border: 2px solid #1848C0 !important; }\n  #bx-material-v1 .rec-card.rubber { background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%) !important; border: 2px solid #2e7d32 !important; }\n  #bx-material-v1 .rec-card.pu     { background: linear-gradient(135deg, #fff8e1 0%, #ffe082 100%) !important; border: 2px solid #f9a825 !important; }\n  #bx-material-v1 .rec-card.epdm   { background: linear-gradient(135deg, #fce4ec 0%, #f8bbd0 100%) !important; border: 2px solid #c2185b !important; }\n\n  #bx-material-v1 .rec-badge {\n    display: inline-block !important;\n    padding: 6px 14px !important;\n    border-radius: 20px !important;\n    font-size: 12px !important;\n    font-weight: 700 !important;\n    text-transform: uppercase !important;\n    letter-spacing: 0.05em !important;\n    margin-bottom: 15px !important;\n  }\n\n  #bx-material-v1 .rec-card.chrome .rec-badge { background: #1848C0 !important; color: #ffffff !important; }\n  #bx-material-v1 .rec-card.rubber .rec-badge { background: #2e7d32 !important; color: #ffffff !important; }\n  #bx-material-v1 .rec-card.pu .rec-badge     { background: #f9a825 !important; color: #111111 !important; }\n  #bx-material-v1 .rec-card.epdm .rec-badge   { background: #c2185b !important; color: #ffffff !important; }\n\n  #bx-material-v1 h3.bx-title-h3 {\n    font-size: 22px !important;\n    color: #0f172a !important;\n    margin-bottom: 8px !important;\n  }\n\n  #bx-material-v1 .rec-sub {\n    font-size: 14.5px !important;\n    color: #475569 !important;\n    margin-bottom: 16px !important;\n    font-weight: 500 !important;\n  }\n\n  #bx-material-v1 .rec-body {\n    font-size: 15px !important;\n    color: #334155 !important;\n    line-height: 1.6 !important;\n  }\n\n  #bx-material-v1 .spec-grid {\n    display: grid !important;\n    grid-template-columns: repeat(3, 1fr) !important;\n    gap: 12px !important;\n    margin-top: 20px !important;\n  }\n\n  #bx-material-v1 .spec-item {\n    background: rgba(255, 255, 255, 0.7) !important;\n    border-radius: 8px !important;\n    padding: 15px 10px !important;\n    text-align: center !important;\n    font-size: 13px !important;\n    color: #475569 !important;\n  }\n\n  #bx-material-v1 .spec-val {\n    font-family: 'IBM Plex Mono', monospace !important;\n    font-weight: 600 !important;\n    font-size: 16px !important;\n    display: block !important;\n    margin-bottom: 4px !important;\n    color: #0f172a !important;\n  }\n\n  #bx-material-v1 .alt-card {\n    background: #f8fafc !important;\n    border: 1px dashed #cbd5e1 !important;\n    border-radius: 8px !important;\n    padding: 20px !important;\n    margin-bottom: 25px !important;\n  }\n\n  #bx-material-v1 h4.bx-title-h4 {\n    font-size: 16px !important;\n    color: #1e293b !important;\n    margin-bottom: 10px !important;\n  }\n\n  #bx-material-v1 .alt-card p {\n    font-size: 14px !important;\n    color: #475569 !important;\n    margin: 0 !important;\n    line-height: 1.5 !important;\n  }\n\n  #bx-material-v1 .why-box {\n    background: #ffffff !important;\n    border: 1px solid #e2e8f0 !important;\n    border-radius: 8px !important;\n    padding: 20px !important;\n    margin-bottom: 25px !important;\n  }\n\n  #bx-material-v1 .why-row {\n    display: flex !important;\n    gap: 12px !important;\n    align-items: flex-start !important;\n    font-size: 14.5px !important;\n    color: #334155 !important;\n    margin-bottom: 10px !important;\n    line-height: 1.5 !important;\n  }\n\n  #bx-material-v1 .why-row:last-child {\n    margin-bottom: 0 !important;\n  }\n\n  #bx-material-v1 .why-icon {\n    flex-shrink: 0 !important;\n    color: #1848C0 !important;\n    font-weight: 700 !important;\n  }\n\n  \/* ==========================================================================\n     5. Call To Action Footer\n     ========================================================================== *\/\n  #bx-material-v1 .cta-strip {\n    background: #f8fafc !important;\n    border-top: 1px solid #dde2ee !important;\n    padding: 25px 40px !important;\n    display: flex !important;\n    align-items: center !important;\n    justify-content: space-between !important;\n    gap: 20px !important;\n  }\n\n  #bx-material-v1 .cta-strip p {\n    margin: 0 !important;\n    font-size: 15px !important;\n    color: #334155 !important;\n    line-height: 1.5 !important;\n  }\n\n  #bx-material-v1 .cta-btn {\n    display: inline-block !important;\n    padding: 14px 28px !important;\n    background: #1848C0 !important;\n    color: #ffffff !important;\n    text-decoration: none !important;\n    border-radius: 6px !important;\n    font-weight: 700 !important;\n    font-size: 15px !important;\n    white-space: nowrap !important;\n    transition: background 0.2s !important;\n  }\n\n  #bx-material-v1 .cta-btn:hover {\n    background: #1238a0 !important;\n  }\n\n  #bx-material-v1 .source-note {\n    font-size: 12px !important;\n    color: #94a3b8 !important;\n    margin-top: 15px !important;\n    padding-top: 15px !important;\n    border-top: 1px solid #e2e8f0 !important;\n    line-height: 1.4 !important;\n  }\n\n  \/* ==========================================================================\n     Responsive Adjustments\n     ========================================================================== *\/\n  @media(max-width: 860px) {\n    #bx-material-v1 { padding: 40px 20px !important; }\n    #bx-material-v1 .tool-header, \n    #bx-material-v1 .tool-body, \n    #bx-material-v1 .cta-strip { padding: 25px !important; }\n    #bx-material-v1 .input-grid { grid-template-columns: 1fr !important; }\n    #bx-material-v1 .spec-grid { grid-template-columns: 1fr 1fr !important; }\n    #bx-material-v1 .cta-strip { flex-direction: column !important; text-align: center !important; }\n    #bx-material-v1 h2.bx-title-h2 { font-size: 26px !important; }\n  }\n  @media(max-width: 480px) {\n    #bx-material-v1 .spec-grid { grid-template-columns: 1fr !important; }\n  }\n<\/style>\n\n<div class=\"bx-container\">\n  <div class=\"bx-tool-wrapper\">\n    \n    <div class=\"tool-header\">\n      <h2 class=\"bx-title-h2\">Slurry Pump Liner Material Selector<\/h2>\n      <p>Find the right wet-end material for your particle size, pH, and application in under 30 seconds \u2014 based on peer-reviewed wear literature.<\/p>\n    <\/div>\n\n    <div class=\"tool-body\">\n      <div class=\"data-note\">\n        Selection logic is based on the d85 ~700 \u00b5m threshold established by Walker &#038; Robbie, <em>Wear<\/em> 302 (2013), Elsevier \u2014 the most widely cited slurry pump wear study in peer-reviewed literature. Results are engineering guidelines; confirm with BBP for your exact duty point.\n      <\/div>\n\n      <div class=\"input-grid\">\n        <div class=\"field\">\n          <label for=\"bx-mat-d85\">Particle Size \u2014 d85 (\u00b5m)<\/label>\n          <select id=\"bx-mat-d85\">\n            <option value=\"75\">75 \u00b5m \u2014 fine tailings, flotation concentrate<\/option>\n            <option value=\"200\">200 \u00b5m \u2014 medium tailings, cyclone overflow<\/option>\n            <option value=\"400\">400 \u00b5m \u2014 coarse tailings<\/option>\n            <option value=\"700\">700 \u00b5m \u2014 at the threshold (d85 \u2248 700 \u00b5m)<\/option>\n            <option value=\"1500\" selected>1,500 \u00b5m \u2014 cyclone feed, coarse ore<\/option>\n            <option value=\"5000\">5,000 \u00b5m \u2014 mill discharge, coarse sand<\/option>\n            <option value=\"20000\">20,000 \u00b5m \u2014 dredge, gravel, large solids<\/option>\n          <\/select>\n          <div class=\"unit\">d85 = particle size where 85% of particles are finer than this value<\/div>\n        <\/div>\n        <div class=\"field\">\n          <label for=\"bx-mat-ph\">Slurry pH<\/label>\n          <select id=\"bx-mat-ph\">\n            <option value=\"strong-acid\">pH &lt; 2 \u2014 strong acid (acid leach, phosphoric)<\/option>\n            <option value=\"acid\">pH 2\u20134 \u2014 moderately acidic<\/option>\n            <option value=\"mild-acid\">pH 4\u20136 \u2014 mild acid (FGD, many tailings)<\/option>\n            <option value=\"neutral\" selected>pH 6\u20138 \u2014 near neutral<\/option>\n            <option value=\"alkaline\">pH 8\u201310 \u2014 alkaline (lime, cement, alkali)<\/option>\n            <option value=\"strong-alkali\">pH &gt; 10 \u2014 strong alkali<\/option>\n          <\/select>\n        <\/div>\n        <div class=\"field\">\n          <label for=\"bx-mat-conc\">Solids Concentration (%w\/w)<\/label>\n          <select id=\"bx-mat-conc\">\n            <option value=\"low\">5\u201315% \u2014 dilute (wash water, sump, FGD)<\/option>\n            <option value=\"medium\" selected>15\u201335% \u2014 moderate (most mineral processing)<\/option>\n            <option value=\"high\">35\u201350% \u2014 dense slurry (cyclone feed, mill circuit)<\/option>\n            <option value=\"very-high\">50%+ \u2014 high density transport<\/option>\n          <\/select>\n        <\/div>\n        <div class=\"field\">\n          <label for=\"bx-mat-app\">Application Type<\/label>\n          <select id=\"bx-mat-app\">\n            <option value=\"mill\">Mill circuit \u2014 cyclone feed, mill discharge<\/option>\n            <option value=\"tailings\">Tailings disposal \/ thickener feed<\/option>\n            <option value=\"fgd\">FGD \u2014 flue gas desulfurization<\/option>\n            <option value=\"chemical\">Chemical process \u2014 acid\/alkali slurry<\/option>\n            <option value=\"dredge\">Dredging \/ sand mining \/ gravel transfer<\/option>\n            <option value=\"sump\">Sump dewatering \/ pit drainage<\/option>\n            <option value=\"water\">Water treatment \/ municipal sludge<\/option>\n          <\/select>\n        <\/div>\n      <\/div>\n\n      <div class=\"d85-helper\">\n        <strong>Don&#8217;t know your d85?<\/strong> If you have a particle size distribution (PSD), d85 is the size at which 85% of particles by weight are finer. Common references: flotation concentrate \u2248 75\u2013150 \u00b5m; fine tailings \u2248 150\u2013400 \u00b5m; cyclone feed \u2248 1\u20135 mm; mill discharge \u2248 2\u201320 mm; dredge sand \u2248 5\u201350 mm.\n      <\/div>\n\n      <button type=\"button\" class=\"calc-btn\" id=\"bx-mat-calc\">Select Liner Material &rarr;<\/button>\n\n      <div class=\"results\" id=\"bx-mat-results\">\n        <div class=\"rec-card\" id=\"bx-rec-card\">\n          <div class=\"rec-badge\" id=\"bx-rec-badge\">\u2014<\/div>\n          <h3 class=\"bx-title-h3\" id=\"bx-rec-title\">\u2014<\/h3>\n          <div class=\"rec-sub\" id=\"bx-rec-sub\">\u2014<\/div>\n          <div class=\"rec-body\" id=\"bx-rec-body\">\u2014<\/div>\n          <div class=\"spec-grid\">\n            <div class=\"spec-item\"><span class=\"spec-val\" id=\"bx-spec-hard\">\u2014<\/span>Hardness<\/div>\n            <div class=\"spec-item\"><span class=\"spec-val\" id=\"bx-spec-ph\">\u2014<\/span>pH Range<\/div>\n            <div class=\"spec-item\"><span class=\"spec-val\" id=\"bx-spec-d85\">\u2014<\/span>Optimal d85<\/div>\n          <\/div>\n        <\/div>\n\n        <div class=\"alt-card\" id=\"bx-alt-card\">\n          <h4 class=\"bx-title-h4\" id=\"bx-alt-head\">Alternative option:<\/h4>\n          <p id=\"bx-alt-body\">\u2014<\/p>\n        <\/div>\n\n        <div class=\"why-box\" id=\"bx-why-box\">\n          <h4 class=\"bx-title-h4\">Why this recommendation<\/h4>\n          <div id=\"bx-why-rows\"><\/div>\n        <\/div>\n\n        <p class=\"source-note\">Decision logic based on: Walker, C.I. &#038; Robbie, P. (2013). &#8220;Comparison of some laboratory wear tests and the wear of slurry pump impeller materials in field use.&#8221; <em>Wear<\/em>, 302(1\u20132), 1026\u20131034. doi:10.1016\/j.wear.2012.12.064. Hardness data: dynaproco.com technical resources (2025). This tool provides engineering guidance only \u2014 always confirm material selection with a qualified engineer for your specific duty.<\/p>\n      <\/div>\n    <\/div>\n\n    <div class=\"cta-strip\">\n      <p>Send us your particle size analysis and duty parameters \u2014 our engineers confirm the correct liner specification with material test certificate.<\/p>\n      <a href=\"#ct-popup-820\" class=\"cta-btn\">Get Engineering Confirmation &rarr;<\/a>\n    <\/div>\n\n  <\/div>\n<\/div>\n\n<script>\n(function(){\n  var MATERIALS={\n    'chrome':{\n      cls:'chrome',badge:'Primary Recommendation',title:'High-Chrome Cast Iron (~60 HRC)',\n      sub:'Optimal for coarse, hard abrasive duty above d85 ~700 \u00b5m',\n      body:'High-chrome cast iron (A05\/A33 alloy, ~60 HRC) outperforms rubber in coarse-particle duty because hardness is the decisive wear mechanism when large particles impact the wet-end surfaces with cutting and micro-grooving action. In a peer-reviewed mill circuit field test, high-chrome eutectic white iron outlasted natural rubber by 45% in wear rate, with hypereutectic grades extending life a further 43%. Chrome is the standard choice for cyclone feed, mill discharge, and coarse ore transfer where particle sizes exceed d85 ~700 \u00b5m.',\n      hard:'~60 HRC',phRange:'pH 4\u201310',d85:'> 700 \u00b5m'\n    },\n    'hyper':{\n      cls:'chrome',badge:'Primary Recommendation',title:'Hypereutectic High-Chrome Cast Iron',\n      sub:'Best wear life for extreme coarse abrasive duty \u2014 43% longer life than standard eutectic white iron',\n      body:'For the most demanding coarse-abrasive duties \u2014 large cyclone feed pumps, hard-rock mill circuits, high-throughput ore processing \u2014 hypereutectic white iron (higher chromium carbide volume fraction) delivers the best wear life available in cast metal. Walker & Robbie (2013) measured a 43% lower wear rate vs standard eutectic high-chrome in field conditions. When changeout frequency directly impacts production uptime, the additional alloy cost is recovered rapidly through extended service intervals.',\n      hard:'~62 HRC',phRange:'pH 4\u201310',d85:'> 1,500 \u00b5m'\n    },\n    'rubber':{\n      cls:'rubber',badge:'Primary Recommendation',title:'Natural Rubber Liner (50\u201360 Shore A)',\n      sub:'Optimal for fine to medium slurry below d85 ~700 \u00b5m, especially with corrosive elements',\n      body:'At particle sizes below d85 ~700 \u00b5m, natural rubber outperforms high-chrome cast iron because fine particles rely on erosion by repetitive micro-impacts \u2014 a mechanism where rubber\\'s elasticity absorbs energy and recovers, while chrome is progressively worn by micro-cutting. Rubber also delivers inherent corrosion resistance, making it the standard choice for fine tailings, FGD gypsum slurry, and mild-acid chemical service. Natural rubber works best at pH 4\u201310; below pH 4, EPDM offers better acid resistance.',\n      hard:'50\u201360 Shore A',phRange:'pH 4\u201310',d85:'< 700 \u00b5m'\n    },\n    'epdm':{\n      cls:'epdm',badge:'Primary Recommendation',title:'EPDM Rubber Liner',\n      sub:'Required for strong acid service (pH < 4) \u2014 superior chemical resistance over natural rubber',\n      body:'EPDM (ethylene propylene diene monomer) rubber is the correct liner material when corrosive attack from low-pH slurry is combined with fine-particle abrasion. Natural rubber degrades rapidly below pH 3\u20134 due to acid attack on the vulcanized sulfur cross-links; EPDM\\'s chemistry avoids this failure mode. Typical applications include acid leach slurry, phosphoric acid plant circuits, and aggressive chemical processing. EPDM is generally limited to finer particle sizes \u2014 for coarse acid slurry, consult BBP engineering for duplex stainless or specialty alloy options.',\n      hard:'50\u201365 Shore A',phRange:'pH 1\u20135',d85:'< 500 \u00b5m'\n    },\n    'pu':{\n      cls:'pu',badge:'Primary Recommendation',title:'Polyurethane Liner (Shore A 85\u201395)',\n      sub:'Intermediate hardness \u2014 best for fine, highly abrasive slurry in near-neutral conditions',\n      body:'Polyurethane (PU) occupies the performance space between rubber and chrome: harder than natural rubber (Shore A 85\u201395 vs 50\u201360), chemically inert across a wide pH range, and better than metal in certain fine-particle abrasion conditions. PU performs well in applications where fine, hard particles (silica, industrial minerals) at moderate concentration cause abrasion that rubber handles but with shorter-than-desired service life, and where chrome would be too aggressive. PU is increasingly used in water treatment sludge, industrial mineral fines, and fine tailings with moderate abrasivity.',\n      hard:'Shore A 85\u201395',phRange:'pH 4\u201310',d85:'100\u2013500 \u00b5m'\n    }\n  };\n  function getRecommendation(d85,ph,conc,app){\n    var d85v=parseInt(d85);\n    var rec,alt,why=[];\n    \/\/ Application overrides\n    if(app==='fgd'){\n      rec='rubber';why.push('FGD gypsum slurry is mildly corrosive (pH 4\u20136) with fine calcium sulfate \u2014 rubber is industry standard for FGD absorber recycle duty.');\n      if(ph==='strong-acid'||ph==='acid'){rec='epdm';why.push('pH below 4 in this FGD context requires EPDM for acid resistance.');}\n      alt='High-chrome not recommended for FGD \u2014 corrosion-abrasion synergy degrades chrome rapidly in sulfate chemistry.';\n      return{rec:rec,alt:alt,why:why};\n    }\n    if(app==='dredge'||d85v>=5000){\n      rec='chrome';\n      if(d85v>=10000)rec='hyper';\n      why.push('Dredge and large-solids transfer involves extremely coarse particles \u2014 only high-chrome cast iron provides adequate wear resistance.');\n      alt='Rubber liner would be torn apart by large-particle impact in this duty.';\n      return{rec:rec,alt:alt,why:why};\n    }\n    \/\/ pH overrides for acid\n    if(ph==='strong-acid'){\n      rec='epdm';\n      why.push('pH < 2 requires acid-resistant elastomer \u2014 EPDM is the standard choice for strong acid slurry.');\n      if(d85v>700)why.push('Note: coarse particles at very low pH may require specialist duplex stainless or ceramic \u2014 contact BBP engineering.');\n      alt='Natural rubber degrades rapidly below pH 2. Consult BBP for coarse acid duty.';\n      return{rec:rec,alt:alt,why:why};\n    }\n    if(ph==='acid'&&d85v<500){\n      rec='epdm';\n      why.push('pH 2\u20134 with fine particles: EPDM provides better acid resistance than natural rubber, which can soften and crack at sustained low pH.');\n      alt='Natural rubber is borderline at pH 3\u20134. If pH is consistently above 3.5, natural rubber may be acceptable \u2014 confirm with BBP.';\n      return{rec:rec,alt:alt,why:why};\n    }\n    \/\/ Main d85 decision\n    if(d85v>=700){\n      if(d85v>=2000)rec='hyper';else rec='chrome';\n      why.push('Particle size d85 '+d85+'\u00b5m exceeds the 700 \u00b5m threshold \u2014 high-chrome cast iron is the recommended material. Above this threshold, particle cutting is the dominant wear mechanism where hardness (not elasticity) wins.');\n      if(conc==='high'||conc==='very-high')why.push('High solids concentration ('+conc.replace('-',' ')+') increases particle impact frequency \u2014 chrome wear resistance is even more important at high concentration.');\n      alt='Rubber liner: may be considered if pH drops below 5 or if particle SG is low. Expect significantly shorter rubber service life vs chrome in this duty.';\n    } else if(d85v>=300){\n      if(ph==='mild-acid'||ph==='acid'){rec='rubber';why.push('Borderline particle size with mild acidity \u2014 rubber is preferred because corrosion-abrasion combination degrades chrome faster in this range.');}\n      else if(conc==='very-high'){rec='chrome';why.push('At this particle size, very high solids loading tips the balance toward chrome \u2014 high frequency of particle impacts.');}\n      else{rec='pu';why.push('Medium particle size at this range: polyurethane offers a good balance of hardness and resilience \u2014 harder than rubber for improved abrasion life without the brittleness of chrome at this finer size.');}\n      alt='Natural rubber: acceptable alternative if pH is neutral to mildly alkaline. High-chrome: consider if solids content exceeds 40% w\/w.';\n    } else {\n      \/\/ d85 < 300\u00b5m\n      if(ph==='strong-acid'||ph==='acid'){rec='epdm';}\n      else if(d85v<150){rec='rubber';why.push('Very fine particles (d85 < 150 \u00b5m) \u2014 rubber\\'s elasticity absorbs micro-impact energy more effectively than hard materials.');}\n      else{rec='rubber';}\n      why.push('Fine particle size below d85 ~700 \u00b5m: rubber outperforms chrome because fine-particle erosion is driven by repetitive micro-impacts where rubber\\'s elastic recovery is advantageous.');\n      alt='Polyurethane: if slurry contains any harder or angular fine particles, PU (Shore A 85\u201395) offers marginally better abrasion resistance than NR while maintaining chemical resistance.';\n    }\n    return{rec:rec,alt:alt,why:why};\n  }\n  document.getElementById('bx-mat-calc').addEventListener('click',function(){\n    var d85=document.getElementById('bx-mat-d85').value;\n    var ph=document.getElementById('bx-mat-ph').value;\n    var conc=document.getElementById('bx-mat-conc').value;\n    var app=document.getElementById('bx-mat-app').value;\n    var result=getRecommendation(d85,ph,conc,app);\n    var mat=MATERIALS[result.rec];\n    var card=document.getElementById('bx-rec-card');\n    card.className='rec-card '+mat.cls;\n    document.getElementById('bx-rec-badge').textContent=mat.badge;\n    document.getElementById('bx-rec-title').textContent=mat.title;\n    document.getElementById('bx-rec-sub').textContent=mat.sub;\n    document.getElementById('bx-rec-body').textContent=mat.body;\n    document.getElementById('bx-spec-hard').textContent=mat.hard;\n    document.getElementById('bx-spec-ph').textContent=mat.phRange;\n    document.getElementById('bx-spec-d85').textContent=mat.d85;\n    document.getElementById('bx-alt-body').textContent=result.alt;\n    var whyHtml='';\n    result.why.forEach(function(w){whyHtml+='<div class=\"why-row\"><div class=\"why-icon\">&rarr;<\/div><div>'+w+'<\/div><\/div>';});\n    document.getElementById('bx-why-rows').innerHTML=whyHtml;\n    document.getElementById('bx-mat-results').style.display='block';\n  });\n})();\n<\/script>\n<\/section>\n<\/div><\/div><\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Slurry Pump Liner Material Selector Find the right wet-end material for your particle size, pH, and application in under 30 seconds \u2014 based on peer-reviewed wear literature. Selection logic is based on the d85 ~700 \u00b5m threshold established by Walker &#038; Robbie, Wear 302 (2013), Elsevier \u2014 the most widely cited slurry pump wear study [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"parent":835,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_gspb_post_css":"","footnotes":""},"class_list":["post-4436","page","type-page","status-publish","hentry"],"blocksy_meta":{"has_hero_section":"disabled","styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":6}},"_links":{"self":[{"href":"https:\/\/bbpmfg.com\/es\/wp-json\/wp\/v2\/pages\/4436","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bbpmfg.com\/es\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/bbpmfg.com\/es\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/bbpmfg.com\/es\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/bbpmfg.com\/es\/wp-json\/wp\/v2\/comments?post=4436"}],"version-history":[{"count":0,"href":"https:\/\/bbpmfg.com\/es\/wp-json\/wp\/v2\/pages\/4436\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/bbpmfg.com\/es\/wp-json\/wp\/v2\/pages\/835"}],"wp:attachment":[{"href":"https:\/\/bbpmfg.com\/es\/wp-json\/wp\/v2\/media?parent=4436"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}