{"product_id":"pure-flo-select-450","title":"Select 450 Selective Silicate Adsorbent for Oils \u0026 Biodiesel","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eSelect 450 by Oil-Dri\u003c\/strong\u003e is a finely divided \u003cstrong\u003eselective silicate adsorbent\u003c\/strong\u003e positioned for the reduction of \u003cstrong\u003esoaps, phospholipids, trace metals, and other polar impurities\u003c\/strong\u003e in edible-oil and biofuel-processing applications.\u003c\/p\u003e\n\n\u003cp\u003eSelect 450 is commonly evaluated as a pretreatment medium before bleaching, polishing, or downstream refining. By targeting impurities that may interfere with feedstock quality, filtration, processing efficiency, or finished-product specifications, it can complement bleaching earth and other purification steps within an integrated treatment system.\u003c\/p\u003e\n\n\u003cdiv class=\"sd-price-note\"\u003e\n  \u003cp\u003e\u003cstrong\u003eMinimum order:\u003c\/strong\u003e 2 pallets.\u003c\/p\u003e\n\n  \u003cul class=\"sd-tiers\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003e2–3 pallets:\u003c\/strong\u003e $3,829 per pallet\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e4+ pallets:\u003c\/strong\u003e $3,519 per pallet\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp\u003e\u003cstrong\u003eBagged pallet configuration:\u003c\/strong\u003e 40 × 50 lb (22.68 kg) bags — 2,000 lb (approximately 907 kg) net per pallet.\u003c\/p\u003e\n\n  \u003cp\u003e\u003cstrong\u003eBulk format:\u003c\/strong\u003e 2,000 lb (approximately 907 kg) supersack available by request. \u003ca href=\"\/pages\/contact\"\u003eContact Sorbents Direct\u003c\/a\u003e for current pricing and availability.\u003c\/p\u003e\n\n  \u003cp\u003e\u003cem\u003eFreight is calculated at checkout using live LTL rates for eligible configurations.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cstyle\u003e\n.sd-price-note {\n  margin: .75rem 0 1.25rem;\n  padding: 1rem 1.1rem;\n  border: 1px solid rgba(0,0,0,.10);\n  border-radius: 8px;\n  color: var(--sd-slate, #374151);\n  font-size: .95rem;\n}\n\n.sd-price-note p {\n  margin: .3rem 0;\n}\n\n.sd-price-note .sd-tiers {\n  margin: .4rem 0 .65rem 1.25rem;\n}\n\n.sd-price-note .sd-tiers li {\n  margin: .2rem 0;\n}\n\n.sd-specs,\n.sd-packaging,\n.sd-comparison {\n  width: 100%;\n  max-width: 780px;\n  border-collapse: separate;\n  border-spacing: 0;\n}\n\n.sd-specs th,\n.sd-specs td,\n.sd-packaging th,\n.sd-packaging td,\n.sd-comparison th,\n.sd-comparison td {\n  padding: 10px 12px;\n  border-bottom: 1px solid rgba(0,0,0,.08);\n  text-align: left;\n  vertical-align: top;\n}\n\n.sd-specs th,\n.sd-packaging th,\n.sd-comparison th {\n  color: #374151;\n  font-weight: 600;\n}\n\n.sd-specs th {\n  width: 38%;\n}\n\n.checklist li {\n  margin: 6px 0;\n}\n\n.sd-faq {\n  max-width: 820px;\n  margin: 10px 0;\n  padding-bottom: 10px;\n  border-bottom: 1px solid rgba(0,0,0,.08);\n}\n\n.sd-faq summary {\n  cursor: pointer;\n  font-weight: 600;\n  color: var(--sd-ink, #111827);\n}\n\n.sd-faq__a {\n  margin-top: 8px;\n  color: var(--sd-slate, #374151);\n}\n\n.sd-faq__a p {\n  margin: 0 0 8px;\n}\n\n.sd-support-box {\n  margin: 1rem 0 1.25rem;\n  padding: 1rem 1.1rem;\n  border-left: 4px solid var(--sd-accent, #425f73);\n  background: rgba(66,95,115,.06);\n}\n\n.sd-support-box p:first-child {\n  margin-top: 0;\n}\n\n.sd-support-box p:last-child {\n  margin-bottom: 0;\n}\n\n.sd-caution-box {\n  margin: 1rem 0 1.25rem;\n  padding: 1rem 1.1rem;\n  border: 1px solid rgba(161,98,7,.25);\n  border-radius: 8px;\n  background: rgba(245,158,11,.07);\n}\n\u003c\/style\u003e\n\n\u003ch2\u003ePrimary applications\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEdible-oil pretreatment:\u003c\/strong\u003e Reduction of soaps, phospholipids, trace metals, and other polar impurities before downstream refining or polishing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBiodiesel feedstocks:\u003c\/strong\u003e Treatment of compatible vegetable oils, recycled oils, and other feedstocks where impurity reduction may support more consistent processing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePretreatment before bleaching:\u003c\/strong\u003e Use ahead of bleaching earth to target selected contaminants before broader color and impurity removal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDry-wash process evaluation:\u003c\/strong\u003e Adsorptive cleanup in compatible biodiesel systems designed to reduce or supplement conventional water washing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustrial oil purification:\u003c\/strong\u003e Targeted treatment where soaps, phospholipids, or trace elements affect downstream process performance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFeedstock conditioning:\u003c\/strong\u003e Preparation of oils for subsequent filtration, bleaching, refining, conversion, or finishing operations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy choose Select 450?\u003c\/h2\u003e\n\n\u003cul class=\"checklist\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSelective impurity removal:\u003c\/strong\u003e Positioned to target soaps, phospholipids, trace metals, and polar contaminants\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePretreatment utility:\u003c\/strong\u003e Can be evaluated before bleaching clay or other downstream purification media\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProcess flexibility:\u003c\/strong\u003e Applicable to compatible edible-oil, biodiesel, and industrial-oil treatment systems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFine powdered form:\u003c\/strong\u003e Provides broad contact with the treated oil or feedstock during mixing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated treatment potential:\u003c\/strong\u003e Allows processors to optimize selective-adsorbent and bleaching-earth dosages together\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustrial packaging:\u003c\/strong\u003e Available in bagged pallets and 2,000 lb supersacks\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQualification support:\u003c\/strong\u003e Current manufacturer documentation can be requested before purchase\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTypical reference properties\u003c\/h2\u003e\n\n\u003ctable class=\"sd-specs\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003cth\u003eProduct type\u003c\/th\u003e\n      \u003ctd\u003eSelective silicate adsorbent\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003ePrimary function\u003c\/th\u003e\n      \u003ctd\u003ePretreatment and targeted reduction of soaps, phospholipids, trace metals, and polar impurities\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003ePhysical form\u003c\/th\u003e\n      \u003ctd\u003eFine mineral powder\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eFree moisture\u003c\/th\u003e\n      \u003ctd\u003e10.0% by weight at 105°C\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003epH\u003c\/th\u003e\n      \u003ctd\u003e3.6 at 5% solids in deionized water\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eTamped density\u003c\/th\u003e\n      \u003ctd\u003e43.0 lb\/ft³ (approximately 673 g\/L)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eParticle size\u003c\/th\u003e\n      \u003ctd\u003e62% passing 325 mesh; less than 45 microns\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cth\u003eManufacturer\u003c\/th\u003e\n      \u003ctd\u003eOil-Dri Corporation of America\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cdiv class=\"sd-caution-box\"\u003e\n  \u003cp\u003e\u003cstrong\u003eTechnical-data note:\u003c\/strong\u003e The values above are retained from previously supplied product information but have not yet been independently confirmed against a current publicly available Oil-Dri Select 450 TDS or lot-specific COA. Confirm current manufacturer specifications before qualification, purchase, or process design.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eHow Select 450 fits into a treatment process\u003c\/h2\u003e\n\n\u003ctable class=\"sd-comparison\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003cth\u003eProcess stage\u003c\/th\u003e\n      \u003cth\u003ePotential role\u003c\/th\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eIncoming oil or feedstock\u003c\/td\u003e\n      \u003ctd\u003eCharacterize soaps, phospholipids, moisture, trace elements, color, and other impurities\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSelect 450 pretreatment\u003c\/td\u003e\n      \u003ctd\u003eTarget selected polar impurities, soaps, phospholipids, and trace metals\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eBleaching-earth treatment\u003c\/td\u003e\n      \u003ctd\u003eProvide broader reduction of color bodies, chlorophyll, oxidation products, and additional impurities\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eFiltration\u003c\/td\u003e\n      \u003ctd\u003eRemove spent adsorbent and retained contaminants from the treated oil\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eDownstream refining or conversion\u003c\/td\u003e\n      \u003ctd\u003eContinue processing toward the required finished-oil or fuel specification\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cem\u003eThe appropriate sequence depends on the oil or feedstock, process equipment, contaminant profile, and finished-product requirements.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003ePackaging \u0026amp; availability\u003c\/h2\u003e\n\n\u003ctable class=\"sd-packaging\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003cth\u003ePackage\u003c\/th\u003e\n      \u003cth\u003eConfiguration\u003c\/th\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003e2,000 lb (approximately 907 kg)\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eOne pallet containing 40 × 50 lb (22.68 kg) bags\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003e2,000 lb (approximately 907 kg)\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eOne bulk supersack\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum order:\u003c\/strong\u003e Two pallets for published bagged-pallet pricing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBagged material:\u003c\/strong\u003e Forty individual 50 lb bags per pallet\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBulk material:\u003c\/strong\u003e Supersacks available by request, subject to current supplier availability\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLead time:\u003c\/strong\u003e Confirmed at quotation or order placement\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFreight:\u003c\/strong\u003e Nationwide LTL shipping with live checkout rates for eligible configurations\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVolume purchasing:\u003c\/strong\u003e Contact us for recurring supply, multi-pallet requirements, or delivered pricing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplication and trial guidance\u003c\/h2\u003e\n\n\u003cp\u003eThe appropriate Select 450 dosage depends on the oil or feedstock, incoming soap concentration, phospholipids, trace-metal profile, moisture level, treatment temperature, mixing conditions, contact time, filtration equipment, and downstream specification.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eBegin with controlled bench trials using the actual oil or feedstock\u003c\/li\u003e\n  \u003cli\u003eMeasure the untreated feed before establishing a treatment target\u003c\/li\u003e\n  \u003cli\u003eEvaluate multiple Select 450 dosage rates rather than assuming one universal treatment level\u003c\/li\u003e\n  \u003cli\u003eWhen used before bleaching earth, optimize both media dosages together\u003c\/li\u003e\n  \u003cli\u003eMeasure soap reduction, phospholipids, trace elements, filtration behavior, oil retention, and downstream performance\u003c\/li\u003e\n  \u003cli\u003eConfirm that treated material meets all applicable process and finished-product requirements\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNo universal dosage is stated on this page because the proper treatment rate must be established through process testing and current manufacturer guidance.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003eSelect 450 compared with bleaching earth\u003c\/h2\u003e\n\n\u003ctable class=\"sd-comparison\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003cth\u003eMedia type\u003c\/th\u003e\n      \u003cth\u003ePrimary treatment emphasis\u003c\/th\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eSelect 450\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eSelective pretreatment for soaps, phospholipids, trace metals, and other polar impurities\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eBleaching earth\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eBroader color reduction, chlorophyll adsorption, oxidation-product removal, and oil polishing\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eCombined treatment\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eSequential or integrated impurity removal where one medium alone does not meet the process target efficiently\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003eSelect 450 should not automatically be treated as a direct replacement for Supreme 55, Supreme B81, B80, or another bleaching clay. The treatment sequence should be established through trials with the actual feedstock.\u003c\/p\u003e\n\n\u003ch2\u003eSelect 350 or Select 450?\u003c\/h2\u003e\n\n\u003cp\u003eSelect 350 and Select 450 are both positioned as selective silicate adsorbents for targeted oil and feedstock pretreatment. The available reference data indicate differences in moisture content and tamped density, but those figures alone do not establish which grade will deliver better contaminant removal in a specific process.\u003c\/p\u003e\n\n\u003ctable class=\"sd-comparison\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003cth\u003eReference property\u003c\/th\u003e\n      \u003cth\u003eSelect 350\u003c\/th\u003e\n      \u003cth\u003eSelect 450\u003c\/th\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eFree moisture\u003c\/td\u003e\n      \u003ctd\u003eLess than 5.0%\u003c\/td\u003e\n      \u003ctd\u003e10.0%\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003epH\u003c\/td\u003e\n      \u003ctd\u003e3.6\u003c\/td\u003e\n      \u003ctd\u003e3.6\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eTamped density\u003c\/td\u003e\n      \u003ctd\u003e37.0 lb\/ft³\u003c\/td\u003e\n      \u003ctd\u003e43.0 lb\/ft³\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eParticle size\u003c\/td\u003e\n      \u003ctd\u003e62% passing 325 mesh\u003c\/td\u003e\n      \u003ctd\u003e62% passing 325 mesh\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cem\u003eThese comparison values are based on previously supplied product information and require confirmation against current Oil-Dri documentation. Final grade selection should be based on manufacturer guidance and comparative trials.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003eHandling \u0026amp; storage\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003eStore unused material in a dry, protected location\u003c\/li\u003e\n  \u003cli\u003eKeep bags or supersacks closed until needed\u003c\/li\u003e\n  \u003cli\u003eMinimize airborne dust during transfer, mixing, and handling\u003c\/li\u003e\n  \u003cli\u003eUse appropriate ventilation and personal protective equipment as directed by the current SDS\u003c\/li\u003e\n  \u003cli\u003eAvoid contact with incompatible materials identified in current manufacturer documentation\u003c\/li\u003e\n  \u003cli\u003eHandle fresh and spent adsorbent according to the treated oil, facility procedures, and applicable regulations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Review a current manufacturer SDS before handling or use. This product page is not a substitute for safety documentation.\u003c\/p\u003e\n\n\u003ch2\u003eShipping \u0026amp; support\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNationwide shipping:\u003c\/strong\u003e LTL freight service available throughout the United States\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFreight options:\u003c\/strong\u003e Liftgate, delivery appointment, and other accessorial services may be selected where available\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBulk purchasing:\u003c\/strong\u003e Volume pricing and recurring supply support are available for qualified industrial customers\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDocumentation assistance:\u003c\/strong\u003e Sorbents Direct can request current manufacturer documents before order placement\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTechnical assistance:\u003c\/strong\u003e Share your feedstock, contaminant data, process flow, and target specifications for product-selection guidance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy buy from Sorbents Direct?\u003c\/h2\u003e\n\n\u003cdiv class=\"sd-support-box\"\u003e\n  \u003cp\u003eIndustrial adsorbents and filtration media are often sold with limited technical information, unclear freight costs, or multiple rounds of quotation. Sorbents Direct was built to make industrial-material sourcing more transparent and practical.\u003c\/p\u003e\n\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTransparent pricing\u003c\/strong\u003e on qualifying package sizes and volume tiers\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLive LTL freight quotes\u003c\/strong\u003e at checkout on eligible shipments\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eManufacturer documentation\u003c\/strong\u003e including SDS, TDS, and COA when available\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTechnical product guidance\u003c\/strong\u003e for pretreatment, clarification, filtration, and adsorption applications\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBulk purchasing support\u003c\/strong\u003e for recurring and multi-pallet requirements\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eReal support from people who understand industrial materials\u003c\/strong\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eDocumentation \u0026amp; quality support\u003c\/h2\u003e\n\n\u003cp\u003eDocumentation requested for Select 450 may include:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eSafety Data Sheet (SDS)\u003c\/li\u003e\n  \u003cli\u003eTechnical Data Sheet or product bulletin\u003c\/li\u003e\n  \u003cli\u003eCertificate of Analysis, when available for the supplied production lot\u003c\/li\u003e\n  \u003cli\u003ePackaging and freight information\u003c\/li\u003e\n  \u003cli\u003eManufacturer confirmation of current technical properties\u003c\/li\u003e\n  \u003cli\u003eProduct-selection and application assistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eContact us if documentation is required for evaluation, supplier qualification, or purchase approval.\u003c\/p\u003e\n\n\u003cp\u003eVisit our \u003ca href=\"\/pages\/documentation\"\u003eDocumentation Center\u003c\/a\u003e or \u003ca href=\"\/pages\/contact\"\u003econtact Sorbents Direct\u003c\/a\u003e to discuss your feedstock, process conditions, packaging preference, and documentation requirements.\u003c\/p\u003e\n\n\u003ch2\u003eNeed help designing a pretreatment trial?\u003c\/h2\u003e\n\n\u003cp\u003eAdsorbent selection depends on the feedstock, soap concentration, phospholipids, metals, moisture, acidity, treatment temperature, contact time, filtration system, and downstream specification. Sorbents Direct can help compare Select 450 with Select 350 and available Oil-Dri bleaching-earth grades for controlled process evaluation.\u003c\/p\u003e\n\n\u003ch2\u003eQuestions \u0026amp; answers\u003c\/h2\u003e\n\n\u003cdetails class=\"sd-faq\"\u003e\n  \u003csummary\u003eWhat is Select 450?\u003c\/summary\u003e\n  \u003cdiv class=\"sd-faq__a\"\u003e\n    \u003cp\u003eSelect 450 is a finely divided selective silicate adsorbent positioned for pretreatment and impurity reduction in compatible edible-oil, biodiesel, and industrial-oil processes.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"sd-faq\"\u003e\n  \u003csummary\u003eWhat impurities does Select 450 target?\u003c\/summary\u003e\n  \u003cdiv class=\"sd-faq__a\"\u003e\n    \u003cp\u003eSelect 450 is positioned for reducing soaps, phospholipids, trace metals, and other polar impurities that can interfere with downstream refining, bleaching, conversion, or specification compliance.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"sd-faq\"\u003e\n  \u003csummary\u003eIs Select 450 a bleaching clay?\u003c\/summary\u003e\n  \u003cdiv class=\"sd-faq__a\"\u003e\n    \u003cp\u003eNo. Select 450 is described as a selective silicate adsorbent and is generally positioned as a targeted pretreatment medium. Bleaching earth has a broader emphasis on color, chlorophyll, oxidation products, and oil polishing.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"sd-faq\"\u003e\n  \u003csummary\u003eWhen should Select 450 be used before bleaching earth?\u003c\/summary\u003e\n  \u003cdiv class=\"sd-faq__a\"\u003e\n    \u003cp\u003eIt may be evaluated before bleaching when soaps, phospholipids, metals, or other polar impurities are creating processing problems that bleaching clay alone does not remove efficiently.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"sd-faq\"\u003e\n  \u003csummary\u003eCan Select 450 be used in biodiesel processing?\u003c\/summary\u003e\n  \u003cdiv class=\"sd-faq__a\"\u003e\n    \u003cp\u003eSelect 450 may be evaluated for pretreatment or adsorptive cleanup of compatible biodiesel feedstocks. Suitability depends on the feedstock, process configuration, contaminants, and required finished-fuel specification.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"sd-faq\"\u003e\n  \u003csummary\u003eWhat is the difference between Select 450 and Select 350?\u003c\/summary\u003e\n  \u003cdiv class=\"sd-faq__a\"\u003e\n    \u003cp\u003eBoth are positioned as selective silicate adsorbents. The available reference values show differences in moisture and bulk density, but they do not establish that one grade is universally stronger or more effective. Grade selection should be based on current Oil-Dri guidance and comparative process trials.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"sd-faq\"\u003e\n  \u003csummary\u003eIs Select 450 stronger than Select 350?\u003c\/summary\u003e\n  \u003cdiv class=\"sd-faq__a\"\u003e\n    \u003cp\u003eSorbents Direct does not currently have sufficient verified manufacturer documentation to make that claim. The most efficient grade and dosage should be established using the actual feedstock and relevant contaminant targets.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"sd-faq\"\u003e\n  \u003csummary\u003eWhat dosage should I use?\u003c\/summary\u003e\n  \u003cdiv class=\"sd-faq__a\"\u003e\n    \u003cp\u003eThere is no universal dosage for all oils or feedstocks. Establish the treatment rate through controlled bench trials based on contaminant levels, process conditions, filtration performance, and downstream specifications.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"sd-faq\"\u003e\n  \u003csummary\u003eWhat is the minimum order?\u003c\/summary\u003e\n  \u003cdiv class=\"sd-faq__a\"\u003e\n    \u003cp\u003eThe current minimum order for published bagged-pallet pricing is two pallets, or 4,000 lb total.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"sd-faq\"\u003e\n  \u003csummary\u003eHow is each pallet configured?\u003c\/summary\u003e\n  \u003cdiv class=\"sd-faq__a\"\u003e\n    \u003cp\u003eEach bagged pallet contains forty 50 lb (22.68 kg) bags for a total net weight of 2,000 lb, or approximately 907 kg.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"sd-faq\"\u003e\n  \u003csummary\u003eIs Select 450 available in supersacks?\u003c\/summary\u003e\n  \u003cdiv class=\"sd-faq__a\"\u003e\n    \u003cp\u003eYes. A 2,000 lb supersack is available by request, subject to current supplier availability. Contact Sorbents Direct for pricing and freight.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"sd-faq\"\u003e\n  \u003csummary\u003eAre the technical values on this page manufacturer verified?\u003c\/summary\u003e\n  \u003cdiv class=\"sd-faq__a\"\u003e\n    \u003cp\u003eThe displayed reference values were retained from previously supplied product information, but Sorbents Direct has not yet confirmed them against a current publicly available Oil-Dri Select 450 TDS or lot-specific COA. Request current documentation before qualification or process design.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"sd-faq\"\u003e\n  \u003csummary\u003eIs freight included in the pallet price?\u003c\/summary\u003e\n  \u003cdiv class=\"sd-faq__a\"\u003e\n    \u003cp\u003eNo. Freight is separate and may be calculated at checkout using live LTL rates. Available options may include liftgate service and delivery appointments.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"sd-faq\"\u003e\n  \u003csummary\u003eWhat documentation is available?\u003c\/summary\u003e\n  \u003cdiv class=\"sd-faq__a\"\u003e\n    \u003cp\u003eSorbents Direct can request the current SDS, technical product information, and lot documentation from the supplier or manufacturer. Availability should be confirmed before purchase when documentation is required.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003ch3\u003eRelated products \u0026amp; resources\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/pure-flo-select-350\"\u003eCompare Select 350 selective silicate adsorbent\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/pure-flo-supreme-b81\"\u003eView Pure-Flo® Supreme B81 bleaching earth\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/pure-flo-supreme-55\"\u003eView Pure-Flo® Supreme 55 bleaching earth\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/collections\/clay\"\u003eBrowse all clay adsorbents and oil-purification media\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/pages\/documentation\"\u003eRequest SDS, TDS, or COA documentation\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest technical assistance or a volume quote\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Oil-Dri","offers":[{"title":"Pallet - 40 x 50lb bags","offer_id":43978161356899,"sku":null,"price":3829.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/7059\/2355\/files\/sorbents-direct_oil-dri_pure-flo_select-450_silicate-adsorbent_powder-hero.png?v=1769992405","url":"https:\/\/www.sorbentsdirect.com\/products\/pure-flo-select-450","provider":"Sorbents Direct ","version":"1.0","type":"link"}