... yield: 280,290,295L/KG 4.Timely delivery 5.Packing:50/100kg new iron drum Products name:Calcium Carbide(CaC2)Size ... :2-4mm,4-7mm,7-15,15-25,25-50mm,50-80mm,80-120mmGas yield:285L/KG-305L/KGPacking:50kg&100kg ... -25300280250PH3 %(v/v)≤0.060.080.08H2S%(v/v)≤0.100.100.10 Size RequestionSize,mmWithin the limit of the size,%2 ... .5mm Siftage,%Ash,%80-200≥85≤5≤150-80≥85≤5≤125-50≥85≤5≤14-25≥85≤5≤1 when ...