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　　What transparency do you know about release paper? The transparency of release paper is often distinguished by color. The different transparency of release paper also distinguishes the purpose of release paper. What is the function of release paper with different transparency?
　　1. Opaque release paper
　　Opaque release can be divided into yellow and white; according to structure, it can be divided into pre coated PE coating and non PE coating. Coating PE coating has two purposes: one is to seal the pores on the paper surface to make it smooth and smooth. Coating silicone oil on it can reduce the coating amount and reduce the cost; the other role is to improve the die cutting characteristics, because PE coating is equivalent to a layer of cushion, which has certain toughness and elasticity, and can reduce the fracture of release paper. Practice shows that the fracture resistance of release paper with PE coating is much lower than that of release paper without PE coating.
　　2. Translucent release paper
　　Translucent release paper is also known as thin release paper, in which the thickness uniformity of release paper is important, especially in circular die cutting, because the size of die-cutting knife roller is determined by the thickness of release paper, if the thickness of release paper is not uniform, the blade will cut through or cannot cut the release paper, which brings trouble to the waste disposal process.
　　In fact, there are many differences between release paper. Transparency is only one of them. For example, color and material are the factors to distinguish. Of course, different types of release paper have different uses.