calcium carbide size:0-2mm 2-4mm 4-7mm 7-15mm 15-25mm 25-50mm 50-80mm 80- ... steel drum, 100kg steel drum; Size: 1-4mm, 4-7mm, 4-15mm, 7-15mm, 15-25mm, 25-50mm, 50-80mm, 70-100mm, ... for one 20ft containerDelivery DetailTEN DAYSSpecifications1.Size:1-14mm,4-25mm,25-50mm,50-80mm,80-200mm 2. ... for metal material.3.To synthesize polyvinyl chloride(PVC).4.Fruit catalyst.Tranport and storage:Should be packed ...