... ISO9001:2008, SGS, BV 3.Reasonable Price based on High Quality 4.Prompt Shipment This company which is a professional ... Calcium Carbide 295L/Kg, 50-80mm/25-50mm in high quality at competitive price.Uses: Calcium carbide is an important ... industry, Acetylene obtained from calcium carbide is raw material to make ethylene, chloroprene rubber, calcium cyanamide, aceticacid, acetaldehydr, ethylacetate, ...