Analyze The Factors That Determine The Quality Of Black Masterbatch

Analyze The Factors That Determine The Quality Of Black Masterbatch
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Black masterbatch is produced using carbon black. Here we mainly analyze the factors that determine the quality of black masterbatch for you, as follows:

Dispersion: Raw carbon black is a very difficult and dirty mixture that is dusty, lightweight, and fluffy. Unless large-scale treatment measures are used, it will foul machines and workers and make the working environment dirty.


Second, rheology: If a masterbatch itself has a good dispersion, but it can not flow into the material to be molded, then the production of the effect is not satisfactory. In general, the base resin used to produce the masterbatch has a higher rheology. In order to save costs, some masterbatch manufacturers use recycled materials, scrap or recycled materials as resin carriers;


Third, compatibility: If the masterbatch is produced using chips or recycled materials, then it may contain contaminants or other non-meltable polymers. This will cause some unforeseen and difficult constraints, wasting the time and raw materials of the final consumer. At this time, the base resin can be selected to produce high-quality masterbatch, and the masterbatch has good compatibility in the melting process. High-quality masterbatches can be produced using LLDPE, LDPE, HDPE, PP, PS, SAN, PA, and other materials;


Fourth, stability: In today's international economy, international customers have high demands on the quality of masterbatch and the stability of raw materials, which is also the fifth factor that determines the quality of black masterbatch. One of the main manifestations of stability is the steady carbon black ratio. If the percentage of carbon black is fluctuating, the amount of masterbatch that needs to be melted is not the same, and it is impossible to produce a product with the same hue;


V. Coverage: This factor is especially important for masterbatches used in scrap or recycled polymers. In these cases, the role of black is to cover other colors in the scrap. Large-particle carbon blacks have poor coloring capabilities and do not easily cover all other underlying colors. As a result, the final product is only deviated from the color. In the melting process, the ability to properly select the carbon black with high coloring ability to cover the existing color is the so-called coverage;


Six, color shade: There are various types of carbon black on the market can be used for coloring masterbatch, but all kinds of colors and prices are also very different. Large particle carbon black has a lower degree of coloration and a different background color than small particle carbon black. Large-particle black masterbatches are suitable for production of bags such as garbage bags, but are not suitable for the production of aesthetically pleasing products such as TV signs or areas where UV protection is required such as agricultural films or external pipes.

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