LOCTITE® Clover® Silicon Carbide Pat Gel® Water Mix abrasive pastes are the preferred abrasives for fast cutting all but the hardest and toughest metals. Hard, sharp crystalsbreak down in grinding and lapping operations to create more sharp edges for continued cutting. The result is a smooth flat surface. This water based abrasive compound is used when part clean up with water is required. LOCTITE® Clover® Silicon Carbide Pat Gel® Water Mix is biodegradable for easy waste disposal. It is ideal for large volume industrial usage such as the lapping of plug valves. Typical applications include lapping, honing and grinding valve seats, gear teeth, dowel holes in dies, bushiongs, .flat surfaces on seals and castings, machining parts, shafts, knives and cutting blades. Loctite® Clover® Sharpening Compound, Grade 1A Fine, 1 lb, Jar, Gray, Liquid/Paste, 199.4 °F Flash, 1.3089 Specific Gravity, Composition: Silicon Carbide, Triethanolamine Diethanolamine Cristobalite