The winding film is not bright enough, which can be solved by adding fluorescent whitening agent

With the increasingly fierce competition of plastic film, people pay more and more attention to the problem of good shrinkage and lower cost. Many companies have launched polystyrene resin with better performance. At present, there has been a heat shrinkable film made of corn and other raw materials, also known as winding film, which has good environmental protection and recycling. In recent years, the wrapping film label is very popular in the packaging of consumer goods.

 

Winding film is mostly used to transport fixed goods. Winding film itself requires a large amount of whiteness and transparency. Good whiteness and transparency can directly affect the sales volume and price of winding film. The whiter the film is, the more transparent it is, the better the plastic materials it uses. For some manufacturers that pay attention to cost and use recycled materials, how can they make winding film feel similar to new materials, It is necessary to add some fluorescent whitening agent to improve the quality of winding film.

 

Fluorescent whitening agent is a big market. It has a wide range of applications. There are hundreds of models. Different models have different effects on different products. There are water-based and oil-based, and there are differences between powder and liquid. Shanghai enmai will give you a detailed introduction of a special whitening agent for winding film, since it is a transparent plastic whitening agent, First of all, the whitening effect is better, and then the transparency can also be increased, so as to effectively make the winding film with recycled materials white and transparent. Fluorescent whitening agent OB-1 can meet this requirement.

 

The fluorescent whitening agent OB-1 for winding film is specially used for whitening and brightening of soft PVC, PE and other plastic products. It can effectively control the yellowing phenomenon of plastic products in high temperature during production, and has the effect of anti-oxidation and high temperature resistance. Using optical principle for whitening, it only needs to add 200g whitening agent into the raw material mixer for uniform mixing, The product is white and bright after molding, which can be compared with the new material.