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VANDIT POLYCRAFT PVT. LTD.
Processing Polymers Since 1987

Material FEP

About Fluorinated Ethylene Propylene (FEP)

Fluorinated Ethylene Propylene (FEP) is a high-performance thermoplastic fluoropolymer derived from hexafluoropropylene and tetrafluoroethylene. Known for its chemical resistance, electrical insulation properties, and flexibility, FEP is a versatile material widely used across various industries. Unlike PTFE, FEP can be melt-processed, allowing for greater design flexibility in manufacturing. Its unique properties make it an ideal choice for harsh environments and demanding applications.
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Properties of FEP

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Chemical Resistance

FEP is resistant to almost all chemicals, including acids, bases, and solvents.
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Thermal Stability

Operates efficiently between -200°C and 200°C (-328°F to 392°F).
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Non-Stick Surface

Provides excellent anti-adhesion properties.
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High Transparency

Allows for visual inspection of internal processes.
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Electrical Insulation

Exceptional dielectric strength, even at high frequencies.
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UV and Weather Resistance

Withstands prolonged exposure to UV radiation and harsh weather conditions.
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Flexibility

Maintains flexibility at low temperatures without cracking.

Specifications of FEP

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Density

~2.12–2.17 g/cm³
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Melting Point

260°C (500°F)
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Tensile Strength

20–30 MPa
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Elongation at Break

Up to 300%
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Flame Resistance

UL 94 V-0 rating
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Moisture Absorption

Negligible (<0.01%)

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Characteristics & Specialty of FEP

Melt Processability

Unlike PTFE, FEP can be extruded, molded, and welded for complex shapes and designs.

Low Friction Coefficient

Ensures smooth operation in dynamic applications.

High Purity

Non-contaminating surface ideal for cleanroom and ultrapure environments.

Transparent and Lightweight

Combines visibility and durability for monitoring and lightweight designs.

Excellent Thermal Cycling

Withstands repeated temperature changes without degradation.

Use Cases & Industrial Sector Applications

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Chemical Processing

– Lining of pipes, tanks, and vessels for handling corrosive chemicals.
– Production of chemical-resistant gaskets and seals.

Chemical Processing

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Electrical and Electronics

– Insulation for high-performance cables and wires in harsh environments.
– Dielectric components in sensitive electronic equipment.

Electrical and Electronics

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Aerospace

– Lightweight, heat-resistant wiring for critical systems.
– Protective coatings for parts exposed to corrosive atmospheres.

Aerospace

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Healthcare and Pharmaceuticals

– Biocompatible tubing for fluid transport.
– Storage containers for sensitive compounds.

Healthcare and Pharmaceuticals

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Food & Beverage Industry

– Non-stick coatings for bakeware.
– Food-grade tubing for handling hot and corrosive liquids.

Food & Beverage Industry

Other Applications

Automotive Industry

– High-performance fuel line tubing.

– Protective linings for components exposed to aggressive chemicals.

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Solar and Renewable Energy

Encapsulation of photovoltaic cells for durability and performance.

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Semiconductor Manufacturing

– Tubing and components for handling ultrapure chemicals.

– Insulated wiring for precision instruments.

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Industrial Machinery

Low-friction bearings and bushings for improved performance and longevity.

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