PVC plastic strip is a kind of sealing strip, which is mainly used for sealing and waterproof of automobiles, doors and windows, and various electrical products. The surface of some PVC plastic strips is not bright, the color is dim, the white is yellow, the color is dark. The competitive sealing strip looks bright and lustrous, so how can we improve the appearance of PVC strip? PVC fluorescent whitening agent to solve the problem!
PVC plastic strip is prepared with PVC as raw material and additives. After the raw material and additives are mixed evenly, the feeding material is extruded by screw. Because PVC plastic strips are easy to form, recyclable and reusable, and in recent years, China vigorously promotes the recycling of plastics, many manufacturers will produce by mixing new materials with old materials. On the one hand, the quality and appearance of PVC plastic strips will definitely lose color in brand-new materials, so it is necessary to add some additives to improve the quality. Among them, PVC special brightener as an optical brightening and brightening additive is essential.
Fluorescent whitening agent 127 is a special fluorescent whitening agent for PVC plastics, which has good affinity with PVC. It can play a good role in both soft PVC and rigid PVC. Compared with fluorescent whitening agent ob-1127, the whiteness of 127 is better. Compared with fluorescent whitening agent ob-1127, the stability of 127 is better, and the price is cheaper. It can whiten, brighten and brighten PVC plastic products, at the same time, increase the weatherability of products, prevent the yellowing of later products, and extend the service life of products. Is a PVC plastic tape manufacturers can not miss the additives. If you are also a manufacturer of PVC plastic products, and you are still worried about the low brightness and brightness of your products, Shanghai enmai chemical will help you solve all kinds of whitening problems!