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After buying new home appliances, we will see a layer of smooth plastic film on their surface, which can be selectively torn off when using.
This layer of film is mainly used to protect home appliances from being rubbed and scratched during transportation, and also to prevent the surface from being polluted by oil stains or other solvents.
At present, there are mainly two types of protective films on the market: coating type and self-adhesive type. Self-adhesive protective films are rapidly penetrating various market applications due to their absolute environmental protection and high-speed production efficiency.
The main application fields of self-adhesive protective film
1. Plate surface protection: such as stainless steel plates, building materials, plastics, ceramics and glass plates, etc.;
2. Surface protection of finished products such as consumer electronics;
3. Process protection of stainless steel stamping;
4. Laser cutting process protection.
The self-adhesive protective film generally uses low-density polyethylene (LDPE) and linear low-density polyethylene (LLDPE) as the main raw materials, adding sticky particles for self-adhesive protective film and color masterbatch, and after melting, it passes through the die head for multi-layer co-extrusion flow. Made by stretching or blown film process.
Although the protective film only plays a temporary protective role, its quality is very important to the protected item, and the adhesive material is the key material that determines the performance and functional effect of the protective film.
The sticky particles for self-adhesive protective film are SBC system, the particles have good transparency, high peeling force, excellent weather resistance, few crystal points, and extremely low odor. In addition, the product does not contain oil and plasticizer, which can reduce the cleaning frequency of the die head and reduce loss; the uncoiling force is low, easy to unwind, and the use efficiency is improved.
According to the application scenarios, we have launched three product series of medium viscosity, high viscosity and extra high viscosity, which are suitable for various application fields.
