How Do Manufacturer Coloring Plastics?

Colored plastic is seen and used everywhere, but not many people know how plastics get colored. Different coloring systems offer different pros and cons, and usually, the customers' needs dictate how a certain type of plastic will be colored. Below we will be talking about the three most common types of coloring: Masterbatches, Cube blends, and Pre-colored resins.

Color Masterbatch

Color Masterbatches, also called Concentrate, is probably the most common and frequently used method of coloring plastics. Masterbatch is a mixture of high concentrate color pigment, base resin and additives in evenly granules form. To add color to plastic, the manufacturer has to feed the Masterbatch along with polymer resin through a hopper into a heated barrel with a reciprocating screw. When the melted compound is cool down and becomes solid, the color pigment has already been well dispersed in the final product. If dealing with small volumes of plastic, this becomes the most economical way to color plastic. Another benefit of masterbatch is its ability to have a quick turnaround time.

Cube Blends

Cube blends work by using a dry masterbatch blend with a natural polymer. Cube blends are sometimes called salt and pepper mixes. This process of coloring is normally done when there is no metering equipment. It allows the user of the machine to have precise control over the final output. Another benefit of cube blends is that the polymer has remained solid; this means that cube blends preserve original properties.

Pre-colored Resin

Pre-colored resins, or compounds, are another option for getting plastics colored. This is one of the easiest ways to color plastic, but that ease comes at a price: it is harder to achieve exact color specifications. Pre-colored resins are sometimes used in conjunction with masterbatch that needs high let-down ratios.

Regardless of the method used for coloring, it is proven that colored plastic is more valuable and desirable than untreated plastics. This is why most industries employ color-compounding companies to help them bring color to their products. If you are creating a plastic product that needs color, whether the run of products is big or small, call a professional compounding company and talk through your needs. A good company will be able to provide you with samples along the coloring process so that each client has a direct hand in making sure the final product is perfect.

Vietnam Hanotech JSC might be the supplier you are looking for. With modern facilities and experienced staff, our company can promise to give our dear customers the exact quality they need with the minimum cost.

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