Patent of release paper

How to distinguish

and

From the appearance,

And the same specification of plastic coated with silicon.

There is no difference; And coated with silicon.

It is not easy to tell the difference with the naked eye, but you only need some simple tools and operations to tell the difference between them.

, a signature pen, plus a small hand tear paper test.

First, let's look at the ordinary.

and

Difference, cut a paragraph.

, respectively, stick on these films, and then peel them off, it is easy to uncover. In the process of peeling, there is no noise, that is, the release film coated with silicon is difficult to uncover. There is a squeak during peeling, which is not common without silicon.

. In this way, we can distinguish whether it is a single silicon release film coated with silicon on one side or a double silicon release film coated with silicon on both sides, and even compare which side is coated with silicon and the peeling speed. Another method is to test with a pen, and scratch the surface of the film. No ink can be scratched on the surface of the release film, but there will be ink traces of different shades on the ordinary film.

Su You

Have the same specifications

You can't see it from the outside, but you can tell the difference between them by the above method.

Glossy plain paper and coated paper sometimes look very similar, but if they are torn by hand, the edges of plain paper are only fiber hairs, and coated paper will have some small films besides wood fibers. If you use

Test, there will be noise when the coated paper uncovers the tape, but nothing will stick to the tape, and glossy plain paper will stick to the paper.

and

Sometimes, it is difficult to distinguish between Gerasin release paper with the same specifications and colors and ordinary Gerasin release paper with the same characteristics on the desktop. Grazing paper is made of high-pressure light, so the paper is more even and flat, and generally more transparent, so as long as you look at these two similar papers with light, it is easy to distinguish between transparency and paper uniformity. If it really doesn't work, tear it off by hand, and the coated paper is the kind where film fragments can be seen.