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Color masterbatch – What to know its main constituents and purposes?

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Color masterbatch, also called as color concentrates for plastics, are plastic granules that are mainly used for coloring plastics. Color masterbatch is made up by 2 main components: the colorants and the polymer-specific carrier resin. In some special formula, it also contains processing additives such as zinc, oil, wax, etc. and/or fillers (usually calcium carbonate powders). This type of masterbatch is widely used every day in nearly every aspects of life with a broad range of applications, but have you ever consider how manufacturers made them? This article brings these knowledge to you.

color-masterbatch-main-constituents-and-purposes

What does color masterbatch contain?

There are some misconceptions in the plastic industry that we truly want to clarify before explain deeper on what this type of masterbatch is made from. First, color masterbatch is not pure pigment/colorant. Contradictorily, pure pigment/colorant or any type of dyeing agent is just a part of masterbatch, which also contains carrier resins, so it is less concentrated than the original colorants, which is commonly divided into 3 sub-groups: organic dyes, organic pigments and inorganic pigments. Regarding to black and white masterbatch – the mostly used color concentrates for plastics, their dramatic color usually comes from carbon black (P or HAF) and TiO2 (rutile/anatas), respectively.

What are main purposes and benefits of using color masterbatch?

Color emphasizes the highlight of design and delights the eyes. No one can deny the vital role of colors in our life. That’s why human try to modify most of commercial product’s appearances in term of providing more choice of colors. In the plastic world, color masterbatch was created to serve this purpose – brings vibrant and dramatic color to plastic products and its applications. Several benefits that our products can offer include easy to use, high color concentration, good color quality, stable color shade, excellent color dispersion ability, good light fastness and heat resistant, saving cost (of pigment drain) and processing time (easy to directly mixing when processing), no influence on the environment. Color masterbatch is now applied in various industries and businesses with multiple appliances from textiles, automotive, packaging, construction, electronic and electrical, etc.

Differences between color masterbatch and colored resins

Color masterbatch slightly differs from colored resins although they both contain the same major ingredients. While color masterbatch may contains from 20 – 75% colorants (the actual dyeing agents, which could be powder or liquid pigment), the colored resins used for plastic products manufacturing only contain the significantly lesser amount of these colorants. The proportion of color concentrations in final products usually falls in the range between 2 to 10%. This is also the recommended usage dose that most masterbatch manufacturers (including EuP) suggest for their customers.

color-masterbatch-main-constituents-and-purposes

Which properties that high-quality color masterbatch should have?

In order to export to the global market, color concentrates for plastics must meet several requirements such as the granule’s size needs to be even (approximately 3mm). They also should have stable quality with good color dispersion. Masterbatch that contains high-quality ingredients with 100% virgin resin will be able to help the end products achieve smooth surface with good printability and durability. Here at EuP, we provides our customers with 2 production lines for White masterbatch, 7 production lines for Black masterbatch and multiple production lines for color masterbatch and additive masterbatch.

EuP – the world-class manufacturer providing color masterbatch with the best quality

Depends on the desired color (and even special effects), each type of color masterbatch is produced by a special formula under a strictly controlled process. At our company, based on each customer’s demands and going through a serious consideration various factors including viscosity, melting temperature, environmental conditions, chemical resistance, FDA suitability, etc., a specific recipe is developed to ensure our products will satisfy any requirement, even the hardest one. The colors range using for EuroPlas masterbatch is based on various coloring systems (RAL and PANTONE) in which each of them provides the unique effects, properties and benefits.

europlas combo filler masterbatch

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