1:Calcium Carbide manufacturer price 2;Free sample MSDS COA 3:ISO9001:2000 CIQ SGS HOT Size , mmWithin the limit of the size %2.5mm Siftage, %Ash,%80-200≥85≤5≤150-80≥85≤5≤125-50≥85≤5≤14-25≥85≤5≤1Property: Grey, brown or black solid, purple when its purity is higher, the specific gravity is 2.22(18), melting point is 2300, the product can absorb water in the air and conduct electricity. They ...