Lead Powder online catalogue source supplier of ...
Lead has been known of and used since prehistoric times. Lead is a soft, malleable and ductile metal. It has an abundance in the earth''s crust of 14 ppm., the main source of the metal being the ore "galena", lead (II) sulphide (PbS) which occurs as grey cubic crystals, often in conjunction with "sphalerite", the equivalent sulphide of zinc.