It is a bismuth-based eutectic fusible alloy made of four low-melting metals such as bismuth, tin, lead, and cadmium. It is also called Lipowitz's alloy or by the commercial names Cerrobend, Bendalloy, Pewtalloy and MCP 158.
Made of alloyed aluminum alloy.This material is 50% lighter than the stock foot.The color anodized surface treatment improves corrosion resistance and gives a beautiful appearance.
Chemical formula ZnSO4, is the most important zinc salt, for colorless rhombic crystal or white powder, its seven hydrate (ZnSO4·7H2O) commonly known as white alum, is a natural mineral. Soluble in water, and store in a sealed and cool place.