1. How to use masterbatch?

The use of masterbatch is very simple. Just mix it with the resin particles according to the specified ratio and stir it manually.

The following issues should be noted in the operation of the equipment:

1.1. The mixing chamber of the blow molding machine generally has multiple temperature zones, among which the temperature near the blanking port should be slightly higher. This is to make the masterbatch melt quickly after entering the mixing chamber and mix it evenly with the plastic resin as soon as possible, which is conducive to the masterbatch pigment being in a good dispersion state in the product.

1.2. Apply appropriate back pressure to the blow molding machine, which can improve the mixing effect of the screw and facilitate the dispersion of the pigment.

1.3. Properly increase the die head temperature of the extruder to increase the brightness of the product.

2. How to determine the proportion of masterbatch used?

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

1:100 Unless the mixing performance of the equipment is very good, uneven pigment dispersion is likely to occur. It is generally not recommended for customers to use this ratio.

However, due to price pressure, some customers particularly want to use masterbatch with this ratio. For the sake of customers, such low-ratio concentrated masterbatch is also produced more, and the dispersion of the pigment can generally meet the requirements.

1:50 is used for plastic products with general coloring requirements. PE and PP masterbatch use this ratio more often.

1:33--1:25 is used for PO products with higher coloring requirements, and ABS products with lower coloring requirements or general.

1:20 is used for advanced plastic products, including PO and ABS, which can be widely used in injection molding, blow molding, spinning and other processes.

1:20 and above are generally used for coloring of advanced cosmetic containers and are more often used in small injection molding machines.

3. Will the use of masterbatch increase product costs?

In most cases, this is the case. But in some cases, it is more economical to use masterbatch than toner because colorists can achieve the coloring effect of higher-priced pigments by combining several lower-priced pigments.

The following two phenomena should also be considered:

1. In many cases, the pigments used by plastic product manufacturers when matching with toner are not the most economical, and due to lack of familiarity with pigments, repeated experiments during color matching often lead to waste of manpower and materials. This problem does not exist when using masterbatch.

2. The grades of products colored with masterbatch and products colored with toner are completely different, and their selling prices are also higher. The higher selling prices are often higher than the increased costs of using masterbatch, so masterbatch can create "profits". From this perspective, in some cases, it is more "economical" to use masterbatch than toner.

4. Does the masterbatch need to be dried before use?

Masterbatch generally does not need to be dried and can be used directly, but ABS and NY masterbatch are exceptions, which should be dried according to conventional processes.