1.Size:2-4mm,4-7mm,7-15,15-25,25-50mm ... Products name:Calcium Carbide(CaC2)Size:2-4mm,4-7mm,7-15,15-25,25-50mm,50- ... ,%Ash,%80-200≥85≤5≤150-80≥85≤5≤125-50≥85≤5≤14-25≥85≤5≤1 when the customer have ... with the both of the tow parties)Usefull:1.The main raw material for producing acetylene gas. ... for metal material.3.To synthesize polyvinyl chloride(PVC).4.Fruit catalyst. Tranport and storage:Should be packed ...