The plastic cups used by us, the casing of the laptops, and even the casings of the indoor air conditioners, many plastic raw materials in life are plastic masterbatches. They not only play a role in dyeing but also improve the performance of plastics. The production of these plastic masterbatches is inseparable from inorganic pigments.

Inorganic pigments are usually metal oxides, sulfides and sulfates, chromates, molybdates and other salts and carbon black. This type of pigment is insoluble in common solvents and plastics. Their thermal stability and light stability are generally better than organic pigments.

In the processing temperature range of plastics, in addition to lead salt, chrome yellow and cadmium orange, other inorganic pigments are very stable, but their coloring power is inferior to organic pigments. The relative density of inorganic pigments is relatively large, generally 2.5-5.0.

Inorganic pigments are usually metal oxides, sulfides and sulfates, chromates, molybdates and other salts and carbon black.
This type of pigment is insoluble in common solvents and plastics. Their thermal stability and light stability are generally better than organic pigments.
In the processing temperature range of plastics, in addition to lead salt, chrome yellow and cadmium orange, other inorganic pigments are very stable, but their coloring power is inferior to organic pigments.
The relative density of inorganic pigments is relatively large, generally 2.5-5.0.
In terms of performance, although organic pigments are not as good as inorganic pigments in terms of heat resistance, light resistance and hiding power, they have the advantages of small relative density, large oil absorption, bright color, and complete chromatogram.

In contrast to inorganic pigments, organic pigments are used. Plastic masterbatches should be determined according to actual conditions when selecting pigments.