Specification of our Calcium carbide: Gas Yield: 285L/kg, 295L/kg, 305L/kg. Package: New iron drum with 50kg/drum, 100kg/drum, 200kg/drum. Size: 7-15mm, 15-25mm, 25-50mm,50-80mm,80-120mm,120-200mm. Trade conditions: MOQ: 22.50MT. Payment: T/T or L/C. Delivery Time: 10days. Trade Term: FOB Tianjin or CIF. Production Capacity: 70,000T/year. Package: New iron drum with 50kg/drum, 100kg/drum, 200kg/drum.