The large-format catalyst for high-volume Tenax polyester stone adhesive work. Tenax Hardener Extra White Paste (180ml / 6 oz) activates and cures Tenax knife grade polyester, Travertine Filler, Solido Quarzo, Titanium Flowing, Titanium Knife Grade, and other polyester-based adhesive systems. The extra white paste formula minimizes color impact on light-colored adhesives and stone repairs. The 180ml size is the best-value option for production shops running multiple repairs daily. For standard shop use, see the 118ml. For occasional repairs or field kits, see the 45ml. Key Features Extra white paste formula — minimal color impact on light-colored adhesives and stone repairs Compatible with knife grade and flowing polyester adhesives — Colored Knife Grade, Tixo Xe, Travertine Filler, Solido Quarzo, Titanium systems 180ml / 6 oz — best-value size for high-volume production shops running multiple repairs daily 6-month shelf life — stored between 65°F–77°F away from heat and direct sunlight How to Use Add hardener to the adhesive at the recommended mix ratio — typically 100:2–3 (adhesive:hardener) by weight Mix thoroughly until color and consistency are completely uniform Do not exceed the recommended hardener ratio — excess hardener causes yellowing and increased shrinkage Apply immediately after mixing; pot life is limited once hardener is introduced Hardener Size Guide 45ml / 2 oz — small batch mixing, occasional repairs, field kits 118ml / 4 oz — standard shop size for regular daily use 180ml / 6 oz (this product) — best-value size for high-volume production shops 50ml / 2 oz — Liquid — liquid formula alternative; check adhesive compatibility before use Works Well With Tenax Colored Knife Grade Polyester — White & Buff stone repair mastic; primary use for this hardener Tenax Tixo Xe Transparent Knife Grade — transparent polyester for light-veined and white stone Tenax Mixing Cups 12oz (50/Sleeve) — disposable cups for measuring and mixing adhesive and hardener Tenax #9 Razor Blade — for trimming cured adhesive flush before polishing
