With a backing consisting of a flexible and strong impregnated latex paper, Q-Silver features optimal aggressivity, resulting in fast and efficient stock removal. The high heat endurance of this fully resin bonded abrasive makes it ideal for tough tasks, such as 'down-to-metal' sanding operations. Technical Specifications Color Blueish Backing D-paper/C-paper/B-paper Grain Aluminium oxide/Silicon carbide Bonding Resin over resin Coating Semi-open