After the film is coated, the release agent is coated on the film surface to produce the release paper. Because there are paper wool and fiber on the surface of the paper, so the film must reach a certain amount to ensure that there is no penetration point, to ensure that silicone oil will not penetrate into the paper, in order to ensure that there is no bad peeling.

What is the reason for the poor gloss of the upper film layer?

The film paper, also known as white plastic paper, is composed of two layers and consists of a bottom paper and a film layer.

The majority of customers should have seen more or less warning tape on some public occasions. This is because the warning tape is bright in color, has a clear alert effect, and the price is not high, and it is also convenient to use, so it is widely used. So after you buy the warning tape, do you know where to put the warning tape?

Many users of ground transportation engineering facilities should know that PVC warning tape is specifically used to stick to the floor. If the majority of users in the use of floor warning tape, found that the warning glue automatically fall off, then the reasons may be the following.

In the solvent used, the content of impurities such as water, alcohol, acid or ammonia exceeds the standard, so that the glue disk life is greatly shortened.

The adhesive curing reaction is a process that obtains and improves the bonding strength and other properties through chemical reactions(polymerization, cross-linking). Curing is a key process for achieving good adhesion performance. Only complete curing will maximize the strength. Curing is divided into initial curing, basic curing and post-curing.