{"product_id":"bentonite-hpm-20-5-pound-bag-rmbenhpm20lb","title":"Bentonite HPM-20","description":"\u003cdiv class=\"rm-testing-statement\" style=\"border:2px solid #8a5a00;border-radius:6px;padding:12px 16px;margin:16px 0;background:#fdf6e3;\"\u003e\u003cp style=\"margin:0;\"\u003e\u003cstrong\u003eYou must test before you use it, at any scale.\u003c\/strong\u003e Raw materials, mined or man-made, are not consistent. Color, strength, particle size and chemistry can change from one bag to the next and from one supplier to another, even when the name on the bag stays the same. Before you use this material in a glaze, slip or clay body of any size, mix a small test batch, fire it on your own clay in your own kiln, and check the results.\u003c\/p\u003e\u003c\/div\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003ch2 class=\"abz-seo-product\"\u003eBentonite Hpm-20 : 5 pound bag\u003c\/h2\u003e\n\u003cp\u003eHigh-purity, air-classified sodium bentonite, selectively-mined, consisting of Description micronized particles and supplied as a free-flowing powder. \u003cbr\u003eThis high-purity montmorillonite is typically used as a suspending agent, viscosifier, Use binder, and emulsion stabilizer.\u003c\/p\u003e\n\u003cp\u003eHydrous aluminum silicate, air purified to concentrate the finest montmorillonite fraction from the bentonite ore.\u003c\/p\u003e\n\u003cp\u003eContains traces of feldspar, quartz, calcite, and gypsum. Insoluble in water or alcohol; one gram of clay produces a surface area greater than 750 sq. meters when fully dispersed.\u003c\/p\u003e\n\u003cp\u003eMoisture 12% maximum as shipped \u003cbr\u003eTexture Soft, slippery \u003cbr\u003eViscosity 8-30 cps @ 6.25% solids \u003cbr\u003eOdor None \u003cbr\u003eSpecific Gravity 2.6 \u003cbr\u003eTaste None \u003cbr\u003eColor Gray to Tan \u003cbr\u003epH 8.5-10.5 @ 2% solids\u003c\/p\u003e\n\u003cp\u003eDry Particle Minimum 99.00% finer than 200 mesh (74 microns). \u003cbr\u003eSize Wet Particle Minimum 99.75% finer than 200 mesh (74 microns). \u003cbr\u003eSize Minimum 99.00% finer than 325 mesh (44 microns). \u003cbr\u003eChemical Dioctahedral smectite, an expanding layer silicate: \u003cbr\u003eFormula (Na,Ca)0.33 (Al1.67Mg0.33)Si4O10(OH)2 . nh4O \u003cbr\u003eElemental Typical analysis – moisture free. \u003cbr\u003e\u003c\/p\u003e\n\u003ch2 class=\"abz-seo-product\"\u003eComposition\u003c\/h2\u003e\nSiO2 69.56% \u003cbr\u003e Al2O3 20.69% \u003cbr\u003e MgO 2.70% \u003cbr\u003e Fe2O3 4.85% \u003cbr\u003e CaO 1.30% \u003cbr\u003e Na2O 2.43% \u003cbr\u003e K2O 0.30% \u003cbr\u003e LOI 4.80%","brand":"Sheffield Pottery","offers":[{"title":"1 Pound","offer_id":67286262219123,"sku":"RMBENHPM20-1","price":2.35,"currency_code":"USD","in_stock":true},{"title":"5 Pounds","offer_id":45113695371586,"sku":"RMBENHPM20LB","price":11.0,"currency_code":"USD","in_stock":true},{"title":"10 Pounds","offer_id":67286262251891,"sku":"RMBENHPM20-10","price":21.0,"currency_code":"USD","in_stock":true},{"title":"25 Pounds","offer_id":67286262284659,"sku":"RMBENHPM20-25","price":50.0,"currency_code":"USD","in_stock":true},{"title":"50 Pounds","offer_id":67286262317427,"sku":"RMBENHPM20","price":84.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/files\/il_680x540.1779897021_63vr_65b00598-c31a-4ce3-b0c6-583cb69bd962.jpg?v=1791876654","url":"https:\/\/www.sheffield-pottery.live\/products\/bentonite-hpm-20-5-pound-bag-rmbenhpm20lb","provider":"Sheffield Pottery Inc.","version":"1.0","type":"link"}