Explanation

It is called chrome yellow for short. It is a crystal mixed with insoluble salts such as lead chromate or basic lead chromate and lead sulfate. It is a bright yellow monoclinic crystal structure. The color is transparent. Strong coloring power and covering power. Water resistance, solvent resistance, heat resistance, light resistance, and migration resistance are all good. When exposed to hydrogen sulfide, they turn black, and when exposed to alkali, they turn orange red. Exposed to sunlight. The color is dark and toxic. It cannot be shared with lithopone and ultramarine blue. chrome yellow has a variety of colors from light yellow to orange yellow. It is usually divided into five colors: lemon yellow, light chrome yellow, medium chrome yellow, deep chrome yellow, and orange chrome yellow. It can be used as a yellow colorant for plastics. It is widely used in polyvinyl chloride, polystyrene, acrylic resin and other thermoplastic plastics. It can also be used for thermosetting plastics such as phenolic resin, epoxy resin, amino resin, unsaturated polyester, etc., but the color is dull.

Classification