Transparent FEP Film Roll, 13–500μm Thickness, Chemical Resistant, Heat Resistant to 205℃, Excellent Electrical Insulation and UV Transmission for Industrial Applications

Product Overview

FEP film is extruded from fluorinated ethylene propylene (FEP) resin with a smooth surface and excellent comprehensive properties. It can be processed by heat sealing, welding, metallization, lamination, and vacuum forming.

Key Properties

Chemical Resistance

• Excellent inertness against most strong acids, alkalis, and common solvents (e.g., DMF, DMSO).
• Resistant to concentrated sulfuric acid and nitric acid.
• Not resistant to molten alkali metals, fluorine, and certain halogen compounds under specific conditions.
• Good barrier performance against gases and liquids (values subject to testing).

Thermal Properties

• Continuous service temperature: -240℃ to +205℃
  

Electrical Properties

• Outstanding electrical reliability compared to other films.
• High dielectric strength:

6500 V/mil (for 1 mil thickness)

250 kV/mm (for 0.025 mm thickness)

• Very low dielectric constant and dielectric loss.

Mechanical Properties

• Excellent non-stick and low friction surface.
• High impact resistance and tear strength.
• Maintains acceptable mechanical performance even at cryogenic temperatures.

Weatherability

• Long-term stability under outdoor exposure.
• Excellent UV light transmittance.

Safety Information

• Always read MSDS and product labels before use.
• Designed for general industrial applications.
• Not guaranteed to meet requirements for medical use.

Packaging

• Supplied in rolls wound on standard paper or plastic cores.
• Protected with dust-proof bags and packed in cartons.
  

Shenzhen Teflon New Material Technology Co., Ltd. is a leading manufacturer and supplier of high-performance fluoroplastic raw materials, semi-finished products, and raw material solutions in China, with over 10 years of production experience. Our customers span various industries, including aerospace, semiconductors, fluid handling, petroleum, specialty gases, electronics, automotive, UAVs, medical, and construction.

Our product range includes fluoropolymer raw materials such as FEP, PFA, PTFE, PCTFE, PVDF, and ETFE, as well as fluoroplastic products including tubes, rods, gaskets, films, sheets, and coatings.