What is tape release paper?
Date:
2022-09-24 09:23
It can be classified according to plastic release paper and non-plastic release paper; it can also be classified into silicone release paper and non-silicon release paper according to release agent.
There is plastic release paper, because the release agent has a certain permeability, if there is no certain barrier, the release agent will penetrate into the inside of the paper, resulting in poor curing and excessive use of the release agent (high cost) and many other defects factor. It is further divided into single-plastic release paper and double-plastic release paper; non-plastic release paper mainly includes glassine, CCK and other specially treated release paper.
1. Laminated release paper
After the base paper is coated, the release agent is coated on the coated surface to produce a release paper.
2. Glassine release liner
Glassine base paper is a release paper produced by coating release agent after overpressure. Glassine is especially suitable for die-cutting factories because of its calendering and the firmness of the paper. Since the domestic glassine can only produce 60~80 grams of quantitative, and die-cutting factory prefers to use more than 100 grams of quantitative, such as 120 grams, 140 grams. It has a certain degree of transparency, good stiffness and good die-cutting performance. All rely on imported base paper, but since the minimum quantity of imported base paper is 20 tons per container, and it is ordered 3 months in advance, the order needs to be paid in full. There are many domestic release coating suppliers who feel that it is of little significance.
3.CCK release paper
CCK base paper is a release paper produced by coating the surface with a layer of special clay and then coating it with a release agent. Because of its high temperature resistance, it is widely used in the carbon fiber industry. Clay on the surface of CCK base paper and easy-to-destruct silicone.
4. Other release paper
In addition, there are some release papers that are widely used in many industries, and some do not use release agents. For example, label printing factories often put a layer of varnish on the place that needs to be released, and it will also have a certain release ability. Of course, the performance of the glue is weak. Otherwise, this release ability is futile. In addition, some release papers produced with some special glues and other formulations account for a small share of the overall market.
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