... organic synthesis industry, Acetylene obtanied from calcium carbide is raw material to make ethylene, chloroprene rubber, calcium cyanamide, acetic acd, acetaldehydr, ... etc. Also used as desulfurizer and dehydrant of steel and for cutting and welding metals.Packing: 50kgs/100kgs new iron drums ... . Used in the generation of acetylene gas for welding, and as a reagent,Calcium Carbide