... 2.new iron drum 3.sealed package best price of calcium carbide from supplier in china PRODUCTCalcium carbide / AcetylenogenSIZE80- ... 120mmAPPEARANCEIndustrial products are gray, brown or black,high purity calcium carbide appears purpleGAS YIELDMin 20°C ,101.3Kpa L/ ... of acetylene, and is the major industrial use of calcium carbide. eg.synthetize rubber,synthetic resin,acetone,ketene and ...