タイトルまたは説明

Black Silicon carbide is brittle and sharp, has good electrical and thermal ***** is ********0kg/mm2. Abrasives articles made of it are suited for working on metal and nometalic material of low tensive strength such as grey cast iron, brass, aluminium, stone, leather and rubber *****, it can be used in the manufacture of refractory products and electric industry etc. SiC: *3%MIN *****: 0.5% MAX Fe2O3: 1.7% MAX