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Main performance requirements for pigments used in plastic masterbatches

Main performance requirements for pigments used in plastic masterbatches

Summary Description:1. Coloring power
The coloring power of a pigment refers to the amount of pigment required for a certain color product, expressed as a percentage of the coloring power of a standard sample. The coloring power of a pigment is not only related to its properties, but also to its degree of dispersion. The degree of dispersion mainly refers to the degree of refinement of the pigment. The greater the degree of dispersion, the stronger its coloring power, but it has a saturation value.
2. Heat resistance
Heat resistance refers to the degree of change in the color or performance of pigments under processing and usage temperatures. When considering the heat resistance of pigments, it is also important to consider their heating time. Due to the different processing methods and heating times of plastics when processed into products, and the different uses and heating times during use, the higher the temperature used, the shorter the heat resistance time.
3. Migration resistance
The migration resistance of pigments refers to that the colored plastics may have physical and chemical reactions with the above substances when they are in long-term contact with other solid, liquid, gas and other substances or when they work in a specific environment, which is manifested by the migration of pigments from the inside of plastics to the Free surface of products, or to the adjacent plastics or solvents.
4. Light resistance and weather resistance
Plastic products require good light and weather resistance due to long-term outdoor use. Some pigments undergo varying degrees of color changes under light exposure. Weathering resistance refers to the color stability of pigments under natural conditions. Due to its extensive outdoor use, the black mother pays special attention to migration resistance and weather resistance.

Main performance requirements for pigments used in plastic masterbatches

Summary Description:1. Coloring power
The coloring power of a pigment refers to the amount of pigment required for a certain color product, expressed as a percentage of the coloring power of a standard sample. The coloring power of a pigment is not only related to its properties, but also to its degree of dispersion. The degree of dispersion mainly refers to the degree of refinement of the pigment. The greater the degree of dispersion, the stronger its coloring power, but it has a saturation value.
2. Heat resistance
Heat resistance refers to the degree of change in the color or performance of pigments under processing and usage temperatures. When considering the heat resistance of pigments, it is also important to consider their heating time. Due to the different processing methods and heating times of plastics when processed into products, and the different uses and heating times during use, the higher the temperature used, the shorter the heat resistance time.
3. Migration resistance
The migration resistance of pigments refers to that the colored plastics may have physical and chemical reactions with the above substances when they are in long-term contact with other solid, liquid, gas and other substances or when they work in a specific environment, which is manifested by the migration of pigments from the inside of plastics to the Free surface of products, or to the adjacent plastics or solvents.
4. Light resistance and weather resistance
Plastic products require good light and weather resistance due to long-term outdoor use. Some pigments undergo varying degrees of color changes under light exposure. Weathering resistance refers to the color stability of pigments under natural conditions. Due to its extensive outdoor use, the black mother pays special attention to migration resistance and weather resistance.

details

1. Coloring power
The coloring power of a pigment refers to the amount of pigment required for a certain color product, expressed as a percentage of the coloring power of a standard sample. The coloring power of a pigment is not only related to its properties, but also to its degree of dispersion. The degree of dispersion mainly refers to the degree of refinement of the pigment. The greater the degree of dispersion, the stronger its coloring power, but it has a saturation value.
2. Heat resistance
Heat resistance refers to the degree of change in the color or performance of pigments under processing and usage temperatures. When considering the heat resistance of pigments, it is also important to consider their heating time. Due to the different processing methods and heating times of plastics when processed into products, and the different uses and heating times during use, the higher the temperature used, the shorter the heat resistance time.
3. Migration resistance
The migration resistance of pigments refers to that the colored plastics may have physical and chemical reactions with the above substances when they are in long-term contact with other solid, liquid, gas and other substances or when they work in a specific environment, which is manifested by the migration of pigments from the inside of plastics to the Free surface of products, or to the adjacent plastics or solvents.
4. Light resistance and weather resistance
Plastic products require good light and weather resistance due to long-term outdoor use. Some pigments undergo varying degrees of color changes under light exposure. Weathering resistance refers to the color stability of pigments under natural conditions. Due to its extensive outdoor use, the black mother pays special attention to migration resistance and weather resistance.

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28
2023-06

Main performance requirements for pigments used in plastic masterbatches

TIme:2023-06--28
1. Coloring power The coloring power of a pigment refers to the amount of pigment required for a certain color product, expressed as a percentage of the coloring power of a standard sample. The coloring power of a pigment is not only related to its properties, but also to its degree of dispersion. The degree of dispersion mainly refers to the degree of refinement of the pigment. The greater the degree of dispersion, the stronger its coloring power, but it has a saturation value. 2. Heat resistance Heat resistance refers to the degree of change in the color or performance of pigments under processing and usage temperatures. When considering the heat resistance of pigments, it is also important to consider their heating time. Due to the different processing methods and heating times of plastics when processed into products, and the different uses and heating times during use, the higher the temperature used, the shorter the heat resistance time. 3. Migration resistance The migration resistance of pigments refers to that the colored plastics may have physical and chemical reactions with the above substances when they are in long-term contact with other solid, liquid, gas and other substances or when they work in a specific environment, which is manifested by the migration of pigments from the inside of plastics to the Free surface of products, or to the adjacent plastics or solvents. 4. Light resistance and weather resistance Plastic products require good light and weather resistance due to long-term outdoor use. Some pigments undergo varying degrees of color changes under light exposure. Weathering resistance refers to the color stability of pigments under natural conditions. Due to its extensive outdoor use, the black mother pays special attention to migration resistance and weather resistance.
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daima

发布时间:2023-06-29 10:08:38

The company covers an area of more than 20 mu, with a modern production plant of 15,000 square meters, a variety of production, testing equipment and instruments nearly 150 sets (sets), close to the Yangtze River, Beijing-Hangzhou Grand Canal, Beijing-Shanghai, Ningtong, Yangli highway, traffic is very convenient.

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