GB/T 33399-2016 《Optical functional films—Polyethylene terephthalate(PET) film—Determination of thickness》 Related products

Optical inspection methods for determining the thickness of functional polyethylene terephthalate (PET) films are specified in this standard and are applicable to mechanical measurement methods. This method includes equipment accuracy requirements, measurement procedures and data processing. This method ensures accurate measurement of film thickness in production and quality control. It is essential for the application performance and conformity of the film to ensure that it meets the design and use requirements.