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What is Release Film?

2026/6/22



Release film, also known as stripping film, separation film, or anti-stick film, is a film coated with a release agent (such as silicone, fluorine, non-silicone, etc.) on the surface of the substrate. Its primary function is to protect and separate other materials, preventing them from adhering to each other or becoming contaminated, and allowing them to be easily stripped away when needed.

Release films are typically made with PET (polyester), PE (polyethylene), PP (polypropylene), and other materials as substrates. Depending on the type of release agent, the material and thickness of the substrate, and the release force, release films can be classified into many different types to meet various application requirements.

Applications of Release Film

Release film possesses excellent anti-stick, separation, and protective properties, making it widely used in various fields:Electronics Industry: Pressing and protection of flexible printed circuits (FPCs).

Production of labels, tapes, and protective films.

Separation and protection of touch screen and display components.

Production of batteries and supercapacitors.

Packaging Industry:  Production of pressure-sensitive adhesive labels and tapes.

Packaging of food and pharmaceutical products to prevent the contents from adhering to the packaging material.

Sealing of express bags and envelopes.

Automotive Industry: Molding and protection of automotive interior and exterior parts.

Production of paint protection film (PPF).

Separation and protection of sealing strips and sound insulation materials.

Construction Industry:  Production of wall insulation and waterproofing materials.

Separation and protection of decorative films and furniture veneers.

Medical Industry: Packaging and protection of medical devices and dressings.

Production of adhesive bandages and tapes.

Other Fields:  Composite materials molding.

Production of solar panels.

Manufacturing of composite materials in the aerospace industry.

We are a China Release Film Factory, Welcome Bulk Purchase

As a release film factory located in China, we possess advanced production equipment and extensive production experience, enabling us to produce high-quality release film products in large quantities. We can customize release films with different substrates, release agents, release forces, thicknesses, and specifications to meet customers' specific requirements.

We are dedicated to providing customers with quality products, comprehensive services, and competitive prices. We welcome customers to contact us to discuss cooperation matters.