{"product_id":"prism-premium-polyester-knife-grade","title":"Prism Premium Polyester Knife Grade","description":"\u003cp\u003eUltra-clear, no-shadow knife-grade polyester for precision seams and miters. \u003cstrong\u003eTenax Prism\u003c\/strong\u003e is a premium knife-grade polyester adhesive engineered for fabricators who demand the clearest, most shadow-free seam possible — particularly on quartz, granite, and marble where seam visibility is a quality benchmark. The ultra-clear formula produces no shadow effect at the joint, and the no-sag consistency holds cleanly on vertical surfaces and 45° miter applications without running.\u003c\/p\u003e\u003cp\u003e5–7 minute gel time; tack-free in 22–25 minutes. Brilliant, smooth cure that polishes beautifully. Accepts color paste for precise stone matching. Interior use only; not suitable for temperatures below 32°F. 12-month shelf life.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUltra-clear formula — one of the clearest polyester knife grades available\u003c\/li\u003e\n\u003cli\u003eNo shadow effect — maintains even, flawless seam appearance\u003c\/li\u003e\n\u003cli\u003eNo-sag consistency — holds vertical seams and 45° miters cleanly\u003c\/li\u003e\n\u003cli\u003e5–7 minute gel time; tack-free in 22–25 minutes\u003c\/li\u003e\n\u003cli\u003eBrilliant, smooth cure — polishes to a high-gloss finish\u003c\/li\u003e\n\u003cli\u003eAccepts color paste for precise stone matching\u003c\/li\u003e\n\u003cli\u003eExceptional strength with minimal adhesive use\u003c\/li\u003e\n\u003cli\u003eInterior use only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePrism vs. Tixo Xe vs. H-Knife — Which to Choose\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrism (this product)\u003c\/strong\u003e — premium ultra-clear formula; no shadow effect; preferred for high-visibility seams on quartz and marble where seam quality is paramount\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/tixo-xe-transparent-knife-grade\"\u003e\u003cstrong\u003eTixo Xe\u003c\/strong\u003e\u003c\/a\u003e — proven 50+ year formula; transparent knife-grade; available in larger sizes; strong all-around performer\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/knife-grade-transp-h\"\u003e\u003cstrong\u003eH-Knife\u003c\/strong\u003e\u003c\/a\u003e — transparent knife-grade; available in quart, gallon, and 5-gallon; for high-volume shops\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCompatible Materials\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEngineered quartz (primary application)\u003c\/li\u003e\n\u003cli\u003eGranite, marble, quartzite, and all natural stone\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure surfaces are dry, clean, and free of dust and debris\u003c\/li\u003e\n\u003cli\u003eIf tinting, add color paste to the resin before introducing the catalyst\u003c\/li\u003e\n\u003cli\u003eMix resin and catalyst per the technical data sheet; stir thoroughly\u003c\/li\u003e\n\u003cli\u003eApply immediately — gel time is 5–7 minutes; do not return mixed adhesive to the original container\u003c\/li\u003e\n\u003cli\u003eAllow to cure until tack-free (22–25 minutes), then grind flush and polish to match surrounding stone\u003c\/li\u003e\n\u003cli\u003eSeal container tightly after use; store between 65°F–77°F; 12-month shelf life\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWorks Well With\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tixo-xe-transparent-knife-grade\"\u003eTixo Xe Transparent Knife Grade — alternative transparent knife-grade polyester\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/universal-color-paste\"\u003eUniversal Color Paste — for color matching the adhesive to the stone\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tenax-hardener-45ml-extra-white-paste\"\u003eTenax Hardener 45ml — catalyst for small batch mixing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tenax-hardener-180ml-extra-white-paste\"\u003eTenax Hardener 180ml — catalyst for regular shop use\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tenax-mixing-cups-12oz-50-sleeve\"\u003eTenax Mixing Cups 12oz — disposable cups for measuring and mixing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tenax-9-razor-blade\"\u003eTenax #9 Razor Blade — for trimming cured adhesive flush before polishing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tenax-t-tape-miter-tape\"\u003eTenax T Tape Miter Tape — for masking miter joints during cure\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFurther Reading\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"\/blogs\/news\/knife-grade-vs-flowing-polyester-guide\"\u003eKnife Grade vs. Flowing Polyester — Which Do You Need? →\u003c\/a\u003e — when to use each type and how to choose the right Tenax formula for every job.\u003c\/p\u003e\n\u003ch2\u003eProToolHaus – Your Certified Tenax USA Distributor\u003c\/h2\u003e\u003cp\u003eWhen you buy from ProToolHaus, you're ordering from a certified distributor of Tenax USA. We carry the full lineup and stand behind every product with expert guidance, fast fulfillment, and the kind of support that only comes from working in the stone industry every day.\u003c\/p\u003e","brand":"Tenax USA","offers":[{"title":"1 Quart","offer_id":51164330623200,"sku":"TIXOXPRISM1QT","price":26.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/3943\/1904\/files\/Prism.png?v=1774356502","url":"https:\/\/protoolhaus.com\/products\/prism-premium-polyester-knife-grade","provider":"Pro Tool Haus","version":"1.0","type":"link"}