{"product_id":"tenax-colored-knife-grade-polyester","title":"Tenax Colored Knife Grade Polyester — Stone Repair Mastic, White \u0026 Buff, Quart \u0026 Gallon","description":"\u003cp\u003eThe go-to mastic adhesive for professional stone repair. \u003cstrong\u003eTenax Colored Knife Grade Polyester\u003c\/strong\u003e is a high-quality polyester mastic formulated for repairing, rebuilding, bonding, and filling natural and engineered stone — marble, granite, travertine, limestone, and engineered quartz. The knife-grade consistency holds its shape on vertical and horizontal surfaces without sagging, and cures to a glossy, polishable finish that blends seamlessly with the surrounding stone.\u003c\/p\u003e\n\u003cp\u003eAvailable in \u003cstrong\u003eWhite\u003c\/strong\u003e and \u003cstrong\u003eBuff\u003c\/strong\u003e to match the most common stone tones, in quart and gallon sizes. Additional custom colors available upon special request.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eKnife-grade consistency\u003c\/strong\u003e — holds shape on vertical and horizontal surfaces; no sagging or dripping\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolishable cure\u003c\/strong\u003e — cures glossy and can be ground flush and polished to match surrounding stone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhite \u0026amp; Buff colorways\u003c\/strong\u003e — covers the most common stone tones; custom colors available on request\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad stone compatibility\u003c\/strong\u003e — marble, granite, travertine, limestone, engineered quartz, and more\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuart \u0026amp; gallon sizes\u003c\/strong\u003e — for occasional repairs or high-volume shop use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterior use only\u003c\/strong\u003e — not suitable for temperatures below 32°F\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eColor Selection Guide\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhite\u003c\/strong\u003e — Carrara and Calacatta marble, white and light gray quartz, bright porcelain\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuff\u003c\/strong\u003e — beige and cream travertine, warm-toned limestone, honey onyx, sandstone\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the surface is dry, clean, and free of dust, oils, and debris\u003c\/li\u003e\n\u003cli\u003eIf color adjustment is needed, add coloring paste to the resin before mixing with catalyst\u003c\/li\u003e\n\u003cli\u003eMix resin and catalyst at a ratio of 100:2–3 (refer to technical data sheet)\u003c\/li\u003e\n\u003cli\u003eStir thoroughly and apply immediately — pot life is limited once catalyst is introduced\u003c\/li\u003e\n\u003cli\u003eSlightly overfill the repair area; grind flush and polish once fully cured\u003c\/li\u003e\n\u003cli\u003eDo not return unused mixed product to the original container\u003c\/li\u003e\n\u003cli\u003eSeal containers tightly after use; store between 65°F and 77°F away from heat and direct sunlight\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWorks Well With\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/tenax-hardener-45-ml-2-oz-extra-white-paste\"\u003eTenax Hardener 45ml — Extra White Paste\u003c\/a\u003e — catalyst for knife grade polyester, small batch mixing\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/tenax-hardener-118-ml-4-oz-extra-white-paste\"\u003eTenax Hardener 118ml — Extra White Paste\u003c\/a\u003e — mid-size catalyst for regular shop use\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/tenax-hardener-180-ml-6-oz-extra-white-paste\"\u003eTenax Hardener 180ml — Extra White Paste\u003c\/a\u003e — large catalyst for high-volume use\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/tixo-xe-transparent-knife-grade\"\u003eTixo Xe Transparent Knife Grade\u003c\/a\u003e — transparent alternative for clear or light-veined stone\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/tenax-mixing-cups-12oz-50-sleeve\"\u003eTenax Mixing Cups 12oz (50\/Sleeve)\u003c\/a\u003e — disposable cups for measuring and mixing\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/tenax-9-razor-blade\"\u003eTenax #9 Razor Blade\u003c\/a\u003e — for trimming cured adhesive flush before polishing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFurther Reading\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"\/blogs\/how-to-guides\/how-to-choose-and-use-knife-grade-polyester-for-stone-repair\"\u003eHow to Choose and Use Knife Grade Polyester for Stone Repair →\u003c\/a\u003e — full walkthrough of application technique, color selection, and finishing.\u003c\/p\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","brand":"Tenax USA","offers":[{"title":"1 Quart \/ White","offer_id":51164327674080,"sku":"17AB01BG50","price":19.94,"currency_code":"USD","in_stock":true},{"title":"1 Quart \/ Buff","offer_id":51164327706848,"sku":"17AC01BG50","price":19.85,"currency_code":"USD","in_stock":true},{"title":"1 Gallon \/ White","offer_id":51164327739616,"sku":"17AB01BG60","price":75.88,"currency_code":"USD","in_stock":true},{"title":"1 Gallon \/ Buff","offer_id":51164327772384,"sku":"17AC01BJ10","price":70.66,"currency_code":"USD","in_stock":true},{"title":"1 Quart \/ Black","offer_id":52783956689120,"sku":"17AT01BG50","price":19.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/3943\/1904\/files\/ColoredKnifegrade.png?v=1774356467","url":"https:\/\/protoolhaus.com\/products\/tenax-colored-knife-grade-polyester","provider":"Pro Tool Haus","version":"1.0","type":"link"}