Focus on water soluble film application 

Quality control technology and standards of optical film-technical knowledge

by:POLYVA     2021-12-24
Quality control technology and standard source of optical film: protective film factory direct sales Release time: 2019-07-19 Hits: 1436 In the manufacturing process of optical PET film, it is successively extruded cast sheet-longitudinal drawing, horizontal drawing-heat setting -Coating, drying-winding-storage and other processes. However, most of the production companies involved in the manufacture of optical films do not have very detailed rules on the influence of the process conditions of each process in the production process on the optical transparency, haze, birefringence, clarity, and refractive index of the optical PET film. Master, often produce optical PET film according to the production experience of ordinary PET film, resulting in uneven product quality and confusion about the concept of optical film. Therefore, the localization of optical polyester base material and optical polyester coating liquid and the determination of corresponding quality indicators are also key issues that need to be solved urgently. Foshan Bowei Environmental Protection Material Co., Ltd. is an electronic material supplier with 20 years of experience. It can produce PET film with multiple functions, such as: sub-(matte) PET film, flame-retardant (fire-resistant) PET film, inkjet printing Film, anti-static PET film, anti-fog PET film, anti-UV PET film, non-shrinking PET film, PET release film, optical PET film, etc. Interested parties welcome to inquire!
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