What are the testing items for PET release film? -Film supplier

The test items of the material are divided into nine items: color, appearance, curl, thickness, dry solids, surface resistance, peeling force, residual adhesion and aging test. The following are the key points: 1. PET release film color Inspection: sample comparison; 2. PET release film appearance inspection: visual inspection; 3. PET release film curl and thickness inspection: place the sample of the cut sample on a glass platform to detect whether there is warpage on both sides; use thickness measurement To test each sample, take three points on the left, middle and right to test; 4. PET release film dry solids test: take three samples before and after coating, and test with X fluorescence energy dispersive meter; 5. PET release Film surface resistance test: Take an A4 size sample from each of the left, middle, and right parts of the full width, and then test the surface resistance with a surface resistance device. It is a company specializing in the production of PET film with multiple functions, such as: transparent PET film, milky white PET film, release PET film, supply of PET motor film, etc. With a wide variety of products, affordable prices, and environmental protection, we provide customers with excellent quality and service based on the service tenet of excellence in production, honesty and trustworthiness in distribution, and warm and thoughtful service. Interested parties welcome to inquire!