When can a plate heat exchanger be used
Speaking of the plate heat exchanger, in the structure, the four corner holes on the plate, the formation of the fluid distribution tube and the discharge manifold, two kinds of heat transfer media...
Storage tips for common printed materials
In the photo machine of large print advertising almost become the most understanding of a good experience, large outdoor advertising is not only a part of the commercial, but also the economic...
The advantages of various types of PET films
1. High brightness PET film: this film not only has excellent physical and mechanical properties of ordinary polyester film, but also has excellent light 2. PET film: good transparency, low haze and...
Chemical coating of PET film
In order to improve the surface properties of PET film, to improve the adaptability of printing and the adhesion of vacuum aluminized film, corona treatment is usually used to improve the surface...
