{"title":"Micronized Pumice Functional Filler","description":"\u003cp\u003eHESS PUMICE MINES and refines the world’s purest commercial deposit of white pumice—and from that pumice produces a line of micronized, non-hazardous amorphous silica products for functional fillers and extenders in paints, coatings, rubber, and plastics.\u003c\/p\u003e\n\u003cp\u003eAlternatives for Crysalline Silica (CS) fillers have been few and often hard to source—until now. Our line of Non-Crystalline Silica (NCS) grades have all the beneficial features of CS without the carcinogenic health risks.\u003c\/p\u003e\n\u003ch2\u003eA True Functional Filler\u003c\/h2\u003e\n\u003cp\u003eHess NCS amorphous silica is composed primarily of aluminum silicate, and, in structure, is a naturally calcined volcanic glass foam consisting of highly vesicular strands permeated with tiny holes. It is this distinctive, sponge-like foamed-stone structure that make the Hess NCS grades true functional fillers—the particles fully integrate and mesh into the polymer networks of various coatings and compounds. This results in a functionally useful, reinforced pigment or compound—moreso than is possible with platey extenders such as mica and talc.\u003c\/p\u003e\n\u003cp\u003eCompared to typical extenders, improvements in coating properties have been demonstrated in key areas such as improved corrosion resistance, and improved impact resistance. Testing also show improvements in flexibility, film integrity, grain cracking resistance, color retention, and overall durability.\u003c\/p\u003e\n\u003cp\u003eIn addition, Hess NCS products provide outstanding scrub and burnish resistance due to the particle hardness (6 Mohs hardness). The lower density of our NCS grades (.051 gal\/lb) allows for a volume replacement, rather than a per pound replacement, providing a considerable cost savings.\u003c\/p\u003e","products":[{"product_id":"hess-pumice-grade-ncs-3","title":"Hess Pumice Grade NCS-3","description":"\u003cp\u003e\u003cstrong\u003eNon-Crystalline Silica (NCS) 3 micron.\u003c\/strong\u003e Typically used for: functional filler for industrial coatings, paints, caulks, rubber compounds; ultra-reactive pozzolan for glass fiber reinforced cement applications, precast concrete pieces, decorative stone and brick veneer products.\u003c\/p\u003e","brand":"Hess Pumice Products","offers":[{"title":"1 lb. (resealable bag)","offer_id":59727380500,"sku":"","price":6.9,"currency_code":"USD","in_stock":true},{"title":"2 lbs. (resealable bag)","offer_id":59727413268,"sku":"","price":11.0,"currency_code":"USD","in_stock":true},{"title":"4 lbs. (2 resealable bags)","offer_id":59727446036,"sku":"","price":18.0,"currency_code":"USD","in_stock":true},{"title":"10 lbs. (5 resealable bags)","offer_id":59783774228,"sku":"","price":33.0,"currency_code":"USD","in_stock":true},{"title":"20 lbs. (box)","offer_id":59784527892,"sku":"","price":21.0,"currency_code":"USD","in_stock":true},{"title":"50 lbs. (full-sized production bag)","offer_id":21371114094672,"sku":"","price":36.0,"currency_code":"USD","in_stock":true},{"title":"120+ lbs. (contact us)","offer_id":60074786836,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1180\/4954\/files\/Ultrapozz-inHand.jpg?v=1772773885"},{"product_id":"hess-pumice-grade-ncs-5","title":"Hess Pumice Grade NCS-5","description":"\u003cp\u003e\u003cstrong\u003eNon-Crystalline Silica (NCS) 5 micron\u003c\/strong\u003e. Typically used for: functional filler for industrial coatings, paints, caulks, rubber compounds.\u003c\/p\u003e","brand":"Hess Pumice Products","offers":[{"title":"1 lb. (resealable bag)","offer_id":60677128212,"sku":"","price":6.9,"currency_code":"USD","in_stock":true},{"title":"2 lbs. (resealable bag)","offer_id":60677193748,"sku":"","price":11.0,"currency_code":"USD","in_stock":true},{"title":"4 lbs. (2 resealable bags)","offer_id":60677292052,"sku":"","price":18.0,"currency_code":"USD","in_stock":true},{"title":"10 lbs. (5 resealable bags)","offer_id":60677455892,"sku":"","price":33.0,"currency_code":"USD","in_stock":true},{"title":"20 lbs. (box)","offer_id":60677652500,"sku":"","price":21.0,"currency_code":"USD","in_stock":true},{"title":"50 lbs. (full-sized production bag)","offer_id":21371116191824,"sku":"","price":36.0,"currency_code":"USD","in_stock":true},{"title":"120+ lbs. (contact us)","offer_id":60677947412,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1180\/4954\/files\/Grade-NCS-5-pdt-img.jpg?v=1772774048"},{"product_id":"hess-pumice-grade-ncs-10","title":"Hess Pumice Grade NCS-10","description":"\u003cp\u003e\u003cstrong\u003eNon-Crystalline Silica (NCS) 10 micron\u003c\/strong\u003e. Typically used for: functional filler for industrial coatings, paints, caulks, rubber compounds.\u003c\/p\u003e","brand":"Hess Pumice Products","offers":[{"title":"1 lb. (resealable bag)","offer_id":60684697620,"sku":"","price":6.9,"currency_code":"USD","in_stock":true},{"title":"2.5 lbs. (resealable bag)","offer_id":60684730388,"sku":"","price":11.0,"currency_code":"USD","in_stock":true},{"title":"5 lbs. (2 resealable bags)","offer_id":60684763156,"sku":"","price":18.0,"currency_code":"USD","in_stock":true},{"title":"20 lbs. (box)","offer_id":60684861460,"sku":"","price":21.0,"currency_code":"USD","in_stock":true},{"title":"50 lbs. (full-sized production bag)","offer_id":21371111964752,"sku":"","price":30.0,"currency_code":"USD","in_stock":true},{"title":"120+ lbs. (contact us)","offer_id":60685025300,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1180\/4954\/files\/Grade-NCS-10-pdt-img.jpg?v=1772774111"},{"product_id":"hess-pumice-grade-ncs-12","title":"Hess Pumice Grade NCS-12","description":"\u003cp\u003e\u003cstrong\u003eNon-Crystalline Silica (NCS) 12 micron\u003c\/strong\u003e. Typically used for: functional filler for industrial coatings, paints, caulks, rubber compounds.\u003c\/p\u003e","brand":"Hess Pumice Products","offers":[{"title":"1 lb. (resealable bag)","offer_id":60687253524,"sku":"","price":6.9,"currency_code":"USD","in_stock":true},{"title":"2.5 lbs. 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