タイトルまたは説明

Black silicon carbide is brittle and sharp. It has good electrical and thermal conductivity. Microhardness is ********0kg/mm2. Abrasive articles made of it are suited for working on metal and nonmetalic materials of low-tensive strength such as grey cast iron, brass, aluminium, stone, lcather and rubber etc. Moreover, it can be used in the manufacture of refractory products and electric industry etc. Black Silicon Carbide **1mm, **3mm, **5mm**8mm etc. **0F, **0F, **0F, **5F etc.