One of the features of Tungsten is high density (19.3). Heavy Alloy is a tungsten sintered alloy consisting of tungsten and a binder phase with nickel, copper, iron, etc. Tungsten sheet is a sheet composed of tungsten powder and resin. Since both of them are mainly made of tungsten, those are used for various kinds of weight. In addition, those are also used for radiation shielding materials because of radiation shielding effect realized by high density. Due to environmental requirements, Heavy Alloy and Tungsten Sheet have attracted attention as replacement for lead which has been used for the application.
