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Universal and Special Color Masterbatches

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The full name of Color Master Batch is called color master batch, also known as color seed. It is a new type of polymer material special colorant, also known as Pigment Preparation (Pigment Preparation). Masterbatches are mainly used on plastics. The 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 in the resin, which can be called Pigment Concentration. The tinting power is higher than the pigment itself. When processing with a small amount of color masterbatch and uncolored resin, the colored resin or product with the designed pigment concentration can be achieved.


1 General and Private

Dedicated masterbatch


It is the color masterbatch produced by the same plastic as the carrier according to the plastic variety specified by the user for the product. For example, PP masterbatch and ABS masterbatch use PP and ABS as carriers.

General color masterbatch


A certain resin (often a low melting point PE) is also used as a carrier, but it can be applied to the coloring of other resins other than its carrier resin.

The universal color masterbatch is relatively simple and convenient, but has many disadvantages. It is recommended that you choose a special color masterbatch.

Why don't many companies produce universal masterbatches?

Most of the regular masterbatch companies in the world generally do not produce universal masterbatches.

There are many disadvantages to universal color masterbatches. In fact, the 'universal' range of universal masterbatches is very narrow, and the technical indicators and economic benefits are also poor, as shown in the following:

1. Poor predictability of coloring effect

The color masterbatch is used for coloring. The pigment of the general color masterbatch will show different colors in different plastics, so the predictability of the coloring effect is poor.

2. Affect other properties of plastic products

In particular, it affects the strength, the product is easy to deform and twist, and it is more obvious to engineering plastics.

3. Higher cost

In order to be 'universal', general color masterbatch often chooses pigments with higher heat resistance, which causes waste.

In addition to coloring, can the color masterbatch also have functions such as flame retardancy, brightening, antistatic, antioxidation, and ultraviolet resistance?

The masterbatch can have some of these functions at the same time, if the factory requests this.

Sometimes, although the customer does not ask, the masterbatch company will also recommend users to add some additives, such as adding certain additives to the masterbatch, such as brighteners, etc. Of course, this will increase the cost of the product.

References

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