... 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 ... /Kg Min Size (MM) 25 -50MM, 50 -80MM PH3 content in Acetylene %(V/V) 0.08%Max HIGH QUALITY 295L/Kg Calcium Carbide ...