Our factory produces calcium carbide that you need. ( SGS & any other test) Calcium carbide Use: Steel making, sulfur removal, oxygen removal, color absorbing in textiles and nitrogen fillingPacking: Hermetically sealed in iron pail; 250 kg/pail or 50kg/plastic pailSupply Capacity: 2000 tons/monthQuality Index: Finenessâ¤100-mesh,200-mesh,400-mesh Gas-Emitting Amount â¥285 L/KG If you are interested in our products , please contact us freely, I'd like to send more details!