Plastic packaging bag manufacturers have a variety of product colors, including yellow, green, gray, red, etc., so why do you dye the plastic packaging bags? Next, let's understand the relevant content.
In fact, many people on the market do not understand why plastic bags must be dyed. In fact, this is to increase the opacity of the product, so that people can prevent some of their personal belongings, and the second is to increase the whiteness of the product. This is Because this kind of plastic has its own color and transparency, compared with the plastic packaging bags made of pure materials, its whiteness is significantly different. Applying some dyes to the plastic packaging bags can make it more The beautiful appearance, so as to use it better.
In the process of dyeing, manufacturers need to strictly control the process, so that it does not appear in the process of using the product, the phenomenon of discoloration, which brings us an adverse impact.