Tips for judging the quality of black masterbatch in appearance
Release time:
2022-08-26
Black masterbatch is used in pipes, blown film, injection molding, office supplies and household appliances. It can ensure the toughness of the pipe in pipe extrusion; in blown film, it can improve the smoothness, smoothness and corrosion resistance of the film surface. Therefore, it is very important to choose high-quality black masterbatch.
Black masterbatch is used in pipes, blown film, injection molding, office supplies and household appliances. It can ensure the toughness of the pipe in pipe extrusion; in blown film, it can improve the smoothness, smoothness and corrosion resistance of the film surface. Therefore, it is very important to choose high-quality black masterbatch.
First of all, we need to understand that the appearance of good quality black masterbatch is full of luster, moderate hardness and softness. Therefore, it can be observed from the gloss of the black masterbatch. If the gloss is dim, it means that the carrier is returned and the calcium carbonate is excessive. Secondly, judged by softness and hardness, if the black mother is too soft to the touch, the added dispersant is too much, and if it is soft and loose, the carbon black concentration is too low.
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