Calcium carbide;Gas yield:295L/kg min In 50/100/120/200kg drum Size:1-3,2-4,4- ... 7,7-15,15-25,25-50,50-80,70-100,8 Applicantion:This product is lumpy substance, its ... atomic mass)10. SIZE4-7,7-15,15-25,25-50,50-80,80-120MM11. Packing50kg or 100kg iron drumCautions during transportion:The packing ... MP:86 13820874487,MSN:jenn.hhkfchem at hotmail.comSKYPE:hhkfchem Calcium Carbide 50-80MM