Tenax StoneFill Xtra-Clear is an ultra-transparent, two-component epoxy resin system for bonding, filling and repairing natural and engineered stone. This 1.25 kg kit includes resin and hardener. The Xtra-Clear grade is suited to white and premium marble, onyx and quartz where clarity matters. Its low-yellowing formulation produces a polishable finish and accepts compatible Tenax colour pastes. Prepare clean, dry stone and mix Part A with Part B at 100:30 by weight before application.