By the iron oxide pigments have excellent color performance, the main use of iron oxide in the ceramic coloring, configure a variety of color glaze water, due to the different iron ions valency,iron oxide itself is showing a different color. In addition to iron itself was multicolored, but when you add in other iron oxide glaze, glazed tone richer, more beautiful. Also in the ceramic (enamel) of the manufacturing process, using different firing atmosphere, iron oxide coloration is also different, in an oxidizing flame atmosphere, iron oxide red coloration to yellow to brown, then turns red grapes brown.
In a reducing atmosphere, it is showing a blue to dark gray changes that are glaze layer of Fe. 'And Fe. + Dynamic equilibrium result of mutual transformation.
Iron oxide pigments as the application of body material: pottery tiles mainly used in construction products, imitation granite, unglazed porcelain tiles, Yixing pottery products. Iron oxide ceramic glaze Application: mainly used for a variety of color glaze ingredients water. As blue enamel, oil drops glaze, star light turtle skin glaze, and the rust of heron partridge spot glaze, iron safflower glaze.