PET film is a kind of comprehensive packaging film. Its transparency is good, have

luster; It has good air tightness and fragrance retention; Moderate moisture resistance,

moisture permeability decreases at low temperature. The mechanical properties of PET

film are excellent, its strength and toughness are the

best of all thermoplastics, the

tensile strength and impact strength are much higher

than ordinary films; and good stiffness, stable

size, Suitable for printing, paper bag,

waterproof material and other secondary processing