As a famous and professional manufacturer and exporter, our company can offer all kinds of calcium carbide as your requirement SpecificationsSizes of product: 80-120mm, 50-80mm, 25-50mm, 7-30mm, 4-15mm, 1-4mmPacking: New Iron DrumGas yield: 285L/KG, 295L/KG,305L/KGOur supply ability is 70,000 ton per year best quality calcium carbide(CAC2)50-80mm