... /100kg new iron drum Products name:Calcium Carbide(CaC2)Size:2-4mm,4-7mm,7-15,15-25,25 ... Grade Gas yield 20°C 101.3kPa L/kg≥Size mm80-20030028025550-8030028025525-503002802504-25300280250PH3 %(v/v)≤0.060 ... %(v/v)≤0.100.100.10 Size RequestionSize,mmWithin the limit of the size,%2.5mm Siftage,%Ash,%80-200 ... when the customer have the special request of the size,this can be bargain on with the both of ...