Knowledge

How to reduce the impact of protective film white spots on products

1. The adhesive should be dry Due to the good barrier properties of aluminum plating, if the composite film is not dried in the bonding, then after the composite film enters the curing chamber, a larg

What are the white spots on the packaging protective PE film?

The protective film is covered with a layer of oily glue on the basis of the bottom mold. It is a good protective film product in the protective film industry, and its use objects are mainly aimed at

How to tear off the protective film of aluminum plate?

Since the appearance of aluminum sheet in the late 1980s and early 1990s, it has been rapidly received by its economy, variety of optional colors, convenient construction methods, excellent processing

Reasons for shadows on metal protective films

With the rapid development of smart products, the popularity of smart products such as smart phones and smart TVs, and the rapid development of the decoration industry, especially the protective film

Analysis of why PE protective film has residual glue

With the continuous improvement of economic level, PE protective film is widely used, and its arrival brings convenience to our life. We need to use it in the right way. Sometimes, we will find the pr

Can PET material be used as a protective film?

There are many types of protective films, such as viscosity, thickness, material, etc. The viscosity and thickness of the protective film need to be experienced first-hand, and you can know it by touc

How much do you know about PE protective film?

PE is the most common protective film with a relatively soft texture. It is based on polyethylene (PE) plastic film. In a thousand-level dust-free environment, the blended glue is evenly coated on the

What is the reason for the spots and bubbles on the cover of plastic bags?

Spots and bubbles on the cover of plastic bags means that the sealing surface is not flat. The reasons are as follows: 1. Cause ①When heat sealing is performed on a hygroscopic material structure such

Summarize the following points are required for protective film die-cutting p...

1. Protective film die-cutting products are most afraid of dirt and dust, and this is closely related to the production environment of the manufacturer. To make clean and beautiful products, you need

What is the shrinkage of the protective film after die cutting

After punching the PE protective film, the product shrinks. This problem is often encountered in the die-cutting industry. The main problem of punching the PE protective film is the laminating. As lon

The processing process and processing requirements of protective film die-cut...

Protective film is very common, and everyone is not unfamiliar with it. It is mainly a material used for screen and shell protection. In addition to being made into die-cutting products, the protectiv

Solutions to different crystal points of PE protective film

We introduced in detail the main crystal point types, identification methods, causes and countermeasures. Summarized as follows: ①Identify different types of crystal points by using a hot stage polari