ETFE 4020

Special-Purpose High-Flow Fluoroplastics

Everflon™ ETFE 4020.      
     Unmatched flow for intricate and thin-wall precision.

A melt-processable modified copolymer of ethylene and tetrafluoroethylene. Engineered with a superior high flow rate (MFR 20 g/10min) for high-speed wire coating, thin-walled tubing, and complex precision injection molding.


20 g/10min
High Melt Flow Rate (MFR)
150 °C / 302 °F
Continuous Service Temp
UL 94 V-0
Flame Rating
ASTM D3159
Type I, Grade 3 Standard

High-Speed Processing Advantage

Designed for high throughput and thin walls.

Everflon™ ETFE 4020 combines high flow rates with excellent mechanical toughness, enabling faster cycle times and intricate part geometries.

01

High Flow Rate (MFR 20)

Facilitates high-speed extrusion lines and complete cavity filling in slender, thin-walled, or multi-cavity injection molds with low injection pressure.

02

Broad Chemical Inertness

Fully inert to aggressive solvents, strong acids, and bases. Hydrolytically stable with extremely low moisture absorption (< 0.01%).

03

Thermal & Impact Durability

Maintains continuous thermal capability up to 150 °C (302 °F) with excellent Izod impact strength (No Break) preserved into cryogenic ranges.

04

High-Frequency Electrical Stability

High dielectric strength (65 kV/mm) and low dielectric constant (2.6–2.8) ensure minimal signal loss in electronic sockets and micro-connectors.

Technical Datasheet (TDS)

Everflon™ ETFE 4020 Property Data

Meets ASTM D3159 Type I, Grade 3
PropertyTest MethodUnit (Metric / US)Nominal Value
Thermal Properties
Nominal Melting PointASTM D3159°C (°F)250 – 280 (491 – 536)
Melt Flow Rate (MFR)ASTM D3159g/10 min20
Upper Continuous Service TemperatureUL 746B°C (°F)150 (302)
Mechanical Properties
Tensile Strength, 23 °C (73 °F)ASTM D3159MPa (psi)40 (5,800)
Ultimate Elongation, 23 °C (73 °F)ASTM D3159%300
Specific GravityASTM D7921.70
Flexural Modulus, 23 °C (73 °F)ASTM D790MPa (psi)1,000 (150,000)
Impact Strength (Izod, 23 °C / 73 °F)ASTM D256J/m (ft·lb/in)No Break
Electrical & General
Dielectric Strength (0.25 mm / 0.010 in)ASTM D149kV/mm (V/mil)65 (1,700)
Dielectric Constant (1 MHz)ASTM D1502.6 – 2.8
Dissipation Factor (1 MHz)ASTM D1500.009
Volume ResistivityASTM D257ohm·m (ohm·cm)1 x 10¹⁵ (1 x 10¹⁷)
Flammability RatingUL 94ClassV-0
Limiting Oxygen Index (LOI)ASTM D2863%30 – 32
Water Absorption (24 hr)ASTM D570%0.007

Processing & End Uses

Target Applications & Processing Guidelines

Optimized for rapid cycle times, high-rate wire coating, and delicate thin-wall molding.

High-Flow End Uses
  • High-Speed Wire & Cable Insulation: Thin-wall extruded insulation, multi-conductor jackets, and sleeving.

  • Precision Electrical Connectors: Multi-pin sockets, miniature switches, coil forms, and relay covers.

  • Thin-Walled Laboratory Ware: Micro-tubing, analytical valves, chemical containers, and precision fasteners.

  • Battery & Instrumentation Components: Thin-shell cases and complex internal structural parts requiring chemical inertness.

  • Complex Mechanical Hardware: Slender molded components, threaded fasteners, and intricate seal components.

Melt Processing Recommendations
  • Processing Techniques: High-speed melt extrusion, high-cavity injection, compression, transfer, and blow molding.

  • Barrel & Melt Temperatures: Heating zone up to approximately 340 °C (640 °F). Long L/D extruder barrels recommended.

  • Die & Flow Dynamics: Significant shear-thinning allows narrow-die pressure extrusion with minimal drawdown.

  • Tool Metallurgy: Corrosion-resistant alloys (Hastelloy, Inconel) recommended in contact with molten resin.

  • Machine Preference: Reciprocating screw injection molding machines for uniform melt and fast injection cycles.

Quality Assurance & Standards

Certified quality. Global compliance.

Every production lot of Everflon™ ETFE 4020 undergoes rigorous quality control to meet strict North American industrial benchmarks and safety requirements.

Industry Certifications

ASTM D3159 Standard Compliance
Meets ASTM D3159 Type I, Grade 3 specifications for high-flow ETFE fluoropolymer resins.
UL 94 Flammability Standard
Certified V-0 self-extinguishing classification for critical electronics, aerospace, and defense applications.
Dielectric & Electrical Reliability
Verified high dielectric strength (65 kV/mm) and low loss factor under high-frequency operating conditions.
RoHS & REACH SVHC Compliant
Free of restricted heavy metals and hazardous substances, fully documented for US supply chain audits.
📦

Packaging & Handling

Standard Net Weight Package
Packaged in translucent, 2.5-mm (0.1-in) uniform pellets within 20.3-kg (45-lb) moisture-sealed plastic bags.
Palletized Logistics (US Standard)
50 bags per standard wooden pallet (1,015 kg / 2,250 lbs net), shrink-wrapped with moisture-barrier covering for shipping.
Indefinite Storage Stability
Resin properties are unaffected by storage time. Store in clean, dry ambient conditions to avoid airborne contamination and water condensation.
Lot Traceability & Documentation
Unique barcode and lot tracking on each bag linked to complete Certificate of Analysis (CoA) and Safety Data Sheets (SDS).
Quality Assurance: All property data is verified per ASTM standard test methods. Full lot-specific CoA provided with each shipment.
ISO 9001:2015 REGISTERED QUALITY SYSTEM

Start with the material. Go beyond.

Everything you need to turn ideas into what’s next.

ETFE. Engineered Beyond Boundaries.

Significant Others

Everflon+™ ETFE Color Concentrate

Everflonultra™ ETFE Cross Linkable

Everflon™+ ETFE Compound

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