19um/23um/30um/50um/75um/100um/125um Transparent Silicone Coated Pet Release Film Liner for Tapes Protective Film Backing. Customizable Thickness: Thickness ranges from 25um to 200um, fully customizable to meet specific requirements. High Cleanliness: Features a flat bright surface with no cockle, grain, air bubbles, pinholes, or scratches. Excellent Mechanical Properties: Offers high tensile strength, low hot-shrinkage rate, and even transparency. Uniform Release Coating: Single or double-sided silicon oil coating ensures uniform release matter and high SAS. Wide Application Scope: Suitable for electronic die cutting, adhesives, medicine, automotive, and packaging industries. Flexible Customization: Customizable release force (1-100g/inch), elongation, and adhesion force based on customer demands. Stable Storage Performance: Low dependence on storage temperature, humidity, and time ensures consistent quality. Professional Manufacturer: Backed by Keraf Group with 10 years of R&D experience and global client partnerships.