Calcium Carbide Size:4-7 MM , 7-15MM, 25-50MM,50-80MM,70-100MM, 80-120MM; Gas Yield:295-305 L/KG; Packing:In 50kg and 100kg /Net New airtight seaworthy drum .Product standard:Chinese and national standard ;Product grade: high quality . Brand of Product :acme .

50-80 MM CALCIUM CARBIDE (CaC2)