name :calcium carbide
cas no.:75-20-7
appearance:dark brown lump
application;this product is lumpy substance, its surfance is a little deep gray,has slight nasty smell. it can product acetylene gas when met water,it can burn when meets fire, the acetylene gas mix with air will form explosive gas (explosive range of acetylene gas in the air is 2.3%-81%).
cas no.:75-20-7
appearance:dark brown lump
application;this product is lumpy substance, its surfance is a little deep gray,has slight nasty smell. it can product acetylene gas when met water,it can burn when meets fire, the acetylene gas mix with air will form explosive gas (explosive range of acetylene gas in the air is 2.3%-81%).