What material is PET gold plating film? What is the function of PET silver plated film?

PET gold-plated film(English: Polyethylene terephthalate)， Dihydroxyethyl terephthalate is synthesized by exchanging dimethyl terephthalate with ethylene glycol ester or esterification of terephthalic acid with ethylene glycol, followed by condensation reaction. It belongs to crystalline saturated polyester, which is a milky white or light yellow, highly crystalline polymer with a smooth and glossy surface. It is a common resin in daily life, which can be divided into APET, RPET, and PETG.

Characteristics of PET gold-plated film material:

The long-term use temperature of PET gold-plated film material can reach 120 ℃, with excellent electrical insulation properties. Even at high temperatures and frequencies, its electrical performance is still good, but its corona resistance is poor, creep resistance, fatigue resistance, friction resistance, and dimensional stability are all very good.

1. It has good mechanical properties, with an impact strength 3-5 times that of other films and good flexural resistance.

2. Resistant to oil, fat, oleic acid, dilute alkali, and most solvents.

3. It can be used for a long time within the temperature range of 55-60 ℃, and can withstand high temperatures of 65 ℃ and low temperatures of -70 ℃ for short-term use, with little impact on its mechanical properties at high and low temperatures.

4. Low gas and water vapor permeability, with excellent gas barrier, water, oil and odor resistance properties.

5. High transparency, can block ultraviolet rays, and has good luster.

6. Non toxic, odorless, with good hygiene and safety, can be directly used for food packaging.

　　PET silver plated film materialWhat is the function of the protective film made?

PET heat shrink film: Polyester heat shrink film is a new type of heat shrink packaging material. Due to its characteristics of easy recycling, non toxicity, odorlessness, good mechanical properties, and especially compliance with environmental protection, polyester (PET) has become an ideal substitute for polyvinyl chloride (PVC) heat shrink film in developed countries.

PET heat sealing film: Ordinary PET belongs to crystalline polymers. After being stretched and oriented, PET film will produce a large degree of crystallization. If it is heat sealed, it will shrink and deform, so ordinary PET film does not have heat sealing performance.

PET anti-static film: Nowadays, the world has entered the information age, and electromagnetic waves of various frequencies and wavelengths fill the entire Earth's space. These electromagnetic waves can cause varying degrees of interference to unshielded sensitive electronic components, circuit boards, communication equipment, etc., resulting in data distortion and communication disorder.

　　PET chemical coating filmIn order to improve the surface properties of PET film, enhance the adaptability of printing, and improve the adhesion of vacuum aluminum coating, corona treatment is usually used to increase the surface tension of the film. However, the corona method has issues with timeliness, especially in high temperature and high humidity environments, where the tension of the film after corona treatment is easily attenuated.