The basic function of plastic toner/pigment powder is to impart various colors to plastic. Plastic colorants should be able to withstand various process conditions during plastic processing and molding to produce plastic products with specific colors. In today's fierce market competition, product appearance has become an important factor in attracting people's attention and generating desire to buy. Therefore, colorants should have good color performance, heat resistance and easy dispersion. In order to increase the commodity value of plastic products, it is necessary to not only pursue aesthetics , has developed to put forward higher requirements for the stability, high performance and safety of coloring products. Therefore, plastic colorants should also have good application properties under the conditions of use of plastic products, such as weather resistance, migration resistance, and non-toxicity. , chemical resistance, etc.
product type
1. Titanium dioxide is divided into anatase type and rutile type. It has high whiteness and excellent performance and is suitable for various plastics. 2. Iron oxide pigments and environmentally friendly pigments can basically pass SGS testing and do not contain heavy metals. The ones suitable for use in plastics include iron red, iron orange, iron yellow, and zinc iron yellow. The color is darker. 3. Chrome green, chrome yellow, medium chrome yellow, molybdenum chromium red, cadmium yellow, cadmium orange, and cadmium red have bright colors and high stability, but they all contain heavy metals and are not recommended for use except in special circumstances. 4. Cobalt blue, bismuth yellow, titanium nickel yellow, and cerium red. Currently, there are no relevant ban standards for these pigments. But the price is higher.
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