Detection of the true and false PET explosion-proof film is first to see the color of its explosion-proof film, the true PET explosion-proof film because of the use of metal sputtering process, nickel, silver, titanium and other advanced metals coated on the natural film, how to use it in the future will not appear discoloration, fading phenomenon...
Pet single-side and double-side hardening film is surface hardening treatment on PET film. The film has good adhesion to ink and printing effect. The following is Zhejiang Kaixin Photoelectric Technology Co., Ltd. for you to introduce in detail the functional parameters of PET single-sided and double-sided hardening film and its use....
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