... sample 3.size:80-120mm, 50-80mm, 295L/KG 25-50,50-80mm Calcium Carbide Products name:Calcium ... 1-4mm etc. Gas yield 285 l/kg, 295 l/kg, 305 l/kg, All of our products are packed with ... GradeA gradeAccept GradeGas yield 20°C 101.3kPa L/kg≥Size mm80-20030028025550-8030028025525-503002802504-25300280250PH3 %(v/v)≤0 ... -27-86371632Fax: 86-27-86371597Skype ID: viviane9816 295L/KG 25-50,50-80mm Calcium Carbide