{"product_id":"tenax-epoxart-kit-3-to-1-ultra-clear-slow-cure-stone-epoxy","title":"Tenax Epoxart Kit 3:1 — Ultra-Clear, Slow-Cure Epoxy for Stone \u0026 Granite Crack Filling","description":"\u003cp\u003eThe \u003cstrong\u003eTenax Epoxart Kit 3:1\u003c\/strong\u003e is a professional two-component epoxy system engineered for applications where \u003cstrong\u003ecrystal-clear transparency\u003c\/strong\u003e, \u003cstrong\u003edeep penetration\u003c\/strong\u003e, and \u003cstrong\u003eextended working time\u003c\/strong\u003e are critical. Its water-thin viscosity flows freely into hairline cracks and micro-fissures in granite, marble, and natural stone — curing to a virtually invisible, UV-stable finish that won't yellow over time.\u003c\/p\u003e\n\n\u003cp\u003eIdeal for fabricators and stone restoration professionals who need maximum clarity in crack fills, fiberglass reinforcement, or small resin mass applications.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh transparency\u003c\/strong\u003e — crystal-clear cure that disappears into the crack, preserving the stone's natural look\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow viscosity\u003c\/strong\u003e — water-thin formula wicks deep into hairline cracks and micro-fissures by capillary action\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlow hardening\u003c\/strong\u003e — extended open time gives full control during application and fiberglass layup\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcellent UV stability\u003c\/strong\u003e — resists yellowing from sunlight; ideal for outdoor stone and countertops near windows\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGood cold reactivity\u003c\/strong\u003e — performs reliably in cooler shop or jobsite conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedium hardness\u003c\/strong\u003e — cured epoxy flexes slightly to resist re-cracking under load\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eIdeal Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHairline and micro-crack filling in granite, marble, quartzite, and natural stone\u003c\/li\u003e\n\u003cli\u003eFiberglass mesh reinforcement of fragile or brittle stone slabs\u003c\/li\u003e\n\u003cli\u003eCreating small resin masses or fills where clarity is essential\u003c\/li\u003e\n\u003cli\u003eOutdoor stone surfaces and countertops exposed to sunlight\u003c\/li\u003e\n\u003cli\u003eCold-environment fabrication shops and jobsites\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKit Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEpoxart A-5004\u003c\/strong\u003e — 1 kg (Resin, Part A)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEpoxart B-BM30\u003c\/strong\u003e — 0.3 kg (Hardener, Part B)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal kit weight:\u003c\/strong\u003e 1.3 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMix ratio:\u003c\/strong\u003e 3 parts resin : 1 part hardener (by weight)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eClean and thoroughly dry the stone surface — remove all dust, oils, and debris from the crack area.\u003c\/li\u003e\n\u003cli\u003eMeasure by weight: 3 parts resin (Part A) to 1 part hardener (Part B); verify dosing pump ratios daily if using automated equipment.\u003c\/li\u003e\n\u003cli\u003eMix thoroughly for several minutes using clean plastic tools; clean tools with acetone or butyl acetate.\u003c\/li\u003e\n\u003cli\u003eApply directly into cracks — the water-thin formula self-levels and penetrates by capillary action. Wear safety gloves and glasses.\u003c\/li\u003e\n\u003cli\u003eAllow full cure before grinding, polishing, or loading the surface.\u003c\/li\u003e\n\u003cli\u003eReseal containers immediately after use; avoid freezing conditions.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eStorage \u0026amp; Shelf Life\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eStore below 35°C (95°F), away from heat, direct sunlight, humidity, and freezing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResin (Part A):\u003c\/strong\u003e 24-month shelf life at 20–25°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardener (Part B):\u003c\/strong\u003e 12-month shelf life in original sealed containers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eChoosing the Right Epoxart Kit\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/tenax-epoxart-kit-2-to-1-water-thin-clear-stone-epoxy\"\u003eEpoxart Kit 2:1\u003c\/a\u003e — water-thin, water-clear; best for hairline crack repair by capillary action\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEpoxart Kit 3:1 (this product)\u003c\/strong\u003e — ultra-clear, slow-cure; best for crack filling where maximum transparency and working time are needed\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/tenax-epoxart-kit-4-to-1-fast-cure-natural-effect-stone-epoxy\"\u003eEpoxart Kit 4:1\u003c\/a\u003e — fast-cure, natural effect; best for fiberglass reinforcement and color-sensitive stone\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWorks Well With\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/tenax-epoxart-kit-2-to-1-water-thin-clear-stone-epoxy\"\u003eTenax Epoxart Kit 2:1 — Water-Thin, Water-Clear\u003c\/a\u003e — use first for initial crack consolidation before filling with 3:1\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/tenax-epoxart-kit-4-to-1-fast-cure-natural-effect-stone-epoxy\"\u003eTenax Epoxart Kit 4:1 — Fast-Cure Natural Effect\u003c\/a\u003e — for fiberglass mesh reinforcement on the back of slabs\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/tenax-fixtop-knife-grade-epoxy\"\u003eTenax Fixtop Knife Grade Epoxy\u003c\/a\u003e — knife-grade 2-part epoxy for bonding and laminating 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 epoxy components\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/tenax-colored-knife-grade-polyester\"\u003eTenax Colored Knife Grade Polyester\u003c\/a\u003e — for surface chip and void repairs after crack consolidation\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Tenax USA","offers":[{"title":"Default Title","offer_id":51656906997984,"sku":"EPOXARTKIT3TO1","price":83.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/3943\/1904\/files\/Tenax_Epoxart_3_to_1_Stone_Epoxy.jpg?v=1776433933","url":"https:\/\/protoolhaus.com\/products\/tenax-epoxart-kit-3-to-1-ultra-clear-slow-cure-stone-epoxy","provider":"Pro Tool Haus","version":"1.0","type":"link"}