... Carbide(CaC2) Size:1-4mm,4-25mm,25-50mm,50-80mm,80-200mm Gas yield:285L/KG-305L/KG Packing ... Calcium Carbide(CaC2)Size:1-4mm,4-25mm,25-50mm,50-80mm,80-200mmGas yield:285L/KG-305L/KGPacking:50kg& ... Carbide(CaC2)Size:1-4mm,4-25mm,25-50mm,50-80mm,80-200mmGas yield:285L/KG-305L/KGPacking:50kg& ... in special storehouse with waterproof.skype:angelchina32i am alleen , my phone is 86-15822331504 calcium carbide ...