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Color Master Batch


Color master batch is a new colorant for polymer materials, also known as pigment preparation. Color masterbatch is mainly used in plastics. Color masterbatch is composed of three basic elements: pigment or dye, carrier and additive. It is an aggregate made by uniformly loading super constant pigment into resin. It can be called pigment concentration, so its coloring power is higher than that of pigment itself. When processing, a small amount of color masterbatch and uncolored resin are mixed to achieve the designed pigment concentration of colored resin or products.


It is widely used in polyethylene, polypropylene, polystyrene, ABS, nylon, PC, PMMA, pet and other resins, producing colorful fiber, clothing, daily plastic, wire and cable, household appliances, agricultural film, automobile accessories, health care equipment and other products.


How to determine the proportion of masterbatch used?


The basis of determining the proportion of masterbatch is to obtain satisfactory coloring effect. As long as the surface color of the product is uniform, without stripes and spots, it can be approved. The proportion of color masterbatch can be selected as follows:


1: Unless the mixing performance of the equipment is very good, it is easy to cause uneven dispersion of pigments, which is generally not recommended for customers.


However, due to the price pressure, some customers especially want to use this proportion of masterbatch, for the sake of customers, they also produce such a low proportion of concentrated masterbatch, and the dispersion of pigments can generally meet the requirements.


1: 50 is used for plastic products with general coloring requirements, PE and PP masterbatch are more used in this proportion.


1: 33 -- 1:25 for Po products with high coloring requirements and ABS products with low coloring requirements.


1: It can be widely used in injection molding, blow molding, spinning and other processes.


1: More than 20% is generally used for coloring high-grade cosmetic containers, and more commonly used in small injection molding machines.


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