Our Various sizes Calcium Carbide 15~25/25~50/50~80mm is a kind of inorganic substance, chemical formula is CaC2, calcium carbide is the main component, white crystal, industrial products are gray black block, cross-section is purple or gray. It reacts violently with water, forming acetylene and releasing heat.
Our High Purity Tin ingots 99.9%min are commercial tin cast into ingots,partially refined,but also containing a small number of different impurities (such as copper,lead,iron,or arsenic). They are solid tin as distinct from tin plates.