... 2.ISO9001:2008, SGS, BV 3.Reasonable Price based on High Quality 4.Prompt Shipment This company which is a professional chemical ... , export Calcium Carbide 295L/Kg, 50-80mm/25-50mm in high quality at competitive price.Uses: Calcium carbide is an important basic ... purity is higher, the specific gravity is 2.22(18), melting point is 2300, the product can absorb water in the air ...