Calcium Carbide Size:70-100mm,50-80mm,25-50mm etc Packing:50kg,100kg Features:1) Gas yield: 285, 295, 305L/kg Applicantion:This product ... . UN14024. Class4.35. HS code284910006. Gas yield20 101.3 Kpa≥295L/KG7. PH3(V/V)≤0.08%8. H2S(V/V ... -50,50-80,80-120MM11. Packing50kg or 100kg iron drum Calcium Carbide 295