Inorganic pigment is heat resistant, strong coloring power, colorful and stable quality, mainly applied in enamel, glass, ceramics, plastics, painting, high grade ink, high-end art pigment, permanently color patch, far-infrared materials, powder coating areas, etc. Porcelain enamel frit is a form of glass bonded to metal on a molecular level at high temperature. this results in a typical and unique composite material of glass and metal, which combines the positive qualities of both materials. specifications for ready to use enamel powder: A wide variety of acid resistant porcelain enamel options are available to you, such as industrial grade, food grade. you can also choose from free samples. there are 40 acid resistant porcelain enamel suppliers, mainly located in asia. the top supplying country is china, which supply 100% of acid resistant porcelain enamel respectively. Rtu black enamel powder. general usage: oven / bbq / stove. it is a stable quality ready to use enamel powder , especially for oven / bbq / stove.