Calcium carbide; 1.Gas yield:265L/kg min 2.In 50/ ... 25,25-50,50-80,70-100,80-120, Name: Calcium CarbideDescription: Place of OriginTianJin, ChinaSize4-7MMCAS NO.75-20- ... -2004 Application:1,Calcium Carbide reacting with water to generate acetylene gas, which is mainly used for metal welding and cutting;2 ... are not allowed to avoid the spark leads to explosion. NGO-L0407 Industrial welding Calcium Carbide