High Yield High quality produce of INDIA. A1 Calcium Carbide 1. Product name: Calcium Carbide 2. H. S. Code: 28491000 3. CAS no.: 75-20-7 UN no: 1402 4. Molecular formula: cac2 5. Gas yield: 280-290/kg, 295/kg, 305/kg 6. Packing: in 100kg or 50kg new iron drums (ms drums) double sealed. Uses: 1). The main raw material for producing acetylene gas 2). Cutting and welding of various metals, 3). To synthesize polyvinyl chloride (pvc) Specification: h2s% (v/v) 0.01 ph3% (v/v) 0.02 Gas yield (l/kg) 280+, 290+ 305+ Size (mm) 50-80 25-80 25-50 10-25 0-7 Packing: in 100kg or 50 kg new MS Iron Drums. Assured Quality.       Â