High-Performance FEP Resin For Wire & Cable Jacketing (Model_ HD921)

High-Performance FEP Resin for Wire & Cable Jacketing: Excellent Dielectric Strength, Flame Retardancy & Processability. Ideal for High-Speed Wires, Industrial & Aerospace Cable Applications.

FEP (Fluorinated Ethylene Propylene) resin for wire & cable jacketing is a specialized high-performance fluoropolymer copolymer synthesized by the copolymerization of hexafluoropropylene and tetrafluoroethylene. As a key member of the fluoropolymers family, it shares core properties with PTFE (polytetrafluoroethylene) and PFA (perfluoroalkoxy polymer resin), such as low friction coefficient and chemical inertness, while distinguishing itself with superior melt-processability-enabling the use of conventional injection molding and extrusion techniques that overcome PTFE's processing limitations. Our HD921 model FEP resin is specifically engineered for wire and cable jacketing applications, featuring tailored melt flow rate (2.1~5.0 g/10min), high tensile strength, and excellent dielectric performance. With a melting point of around 270℃, inherent flame retardancy, and stress crack resistance, it provides reliable protection and insulation for wires and cables in harsh industrial, aerospace, and electronic environments, ensuring long-term operational stability and safety.

What is FEP Resin for Wire & Cable Jacketing?
FEP (Fluorinated Ethylene Propylene) resin is a linear copolymer formed by the precise copolymerization of tetrafluoroethylene and hexafluoropropylene monomers. Its molecular structure, characterized by stable carbon-fluorine (C-F) bonds, endows it with exceptional chemical stability and non-reactivity-critical properties for wire and cable jacketing materials that need to withstand harsh operating conditions. Unlike PTFE (polytetrafluoroethylene), the "King of Plastics," FEP resin retains PTFE's advantages of corrosion resistance and low friction but eliminates PTFE's processing drawbacks. FEP can be processed using conventional thermoplastic methods such as extrusion and injection molding, which is essential for efficient, continuous production of wire and cable jackets.

In terms of composition and performance, FEP resin is highly similar to PFA (perfluoroalkoxy polymer resin). Both materials offer excellent non-stick characteristics and thermal stability, but FEP is more cost-effective and softer, making it a preferred choice for general high-performance wire and cable jacketing applications. Our HD921 FEP resin is specifically optimized for wire and cable jacketing, with a controlled melt flow rate that ensures smooth extrusion even for high-speed wire production. It melts at around 270℃ and can operate in a wide temperature range from -200℃ to 200℃, maintaining stable performance in extreme cold and heat-making it suitable for cables used in outdoor, industrial, and aerospace environments.

The superior performance of HD921 FEP resin is tailored to meet the strict requirements of wire and cable jacketing, with each property directly addressing the core needs of cable manufacturers and end-users:
● Excellent Dielectric Strength: HD921 FEP resin exhibits a low dielectric constant (≤2.15 at 10⁶ HZ) and low dissipation factor (≤7.0×10⁻⁴ at 10⁶ HZ), ensuring superior electrical insulation performance. This property prevents signal interference and short circuits, making it ideal for high-frequency communication cables and precision electronic wires.
● Inherent Flame Retardancy: FEP resin is inherently non-ignitable and can stop flame spread, meeting UL94 V-0 flammability standards. This critical safety feature minimizes fire risks in cable applications, especially in industrial facilities, buildings, and aerospace vehicles where fire safety is paramount.
● Superior Corrosion Resistance: The stable C-F bonds in HD921 FEP resin make it inert to a wide range of industrial chemicals, solvents, strong acids, alkalis, and moisture. This corrosion resistance ensures that cable jackets maintain structural integrity in harsh chemical environments such as chemical plants, offshore platforms, and industrial workshops.
● Stress Crack Resistance: HD921 FEP resin has strong resistance to stress cracking, even under long-term mechanical stress and temperature fluctuations. This property prevents jacket cracking and damage during cable installation, bending, and long-term use, extending the service life of wires and cables.
● Optimized Processability: With a melt flow rate of 2.1~5.0 g/10min, HD921 FEP resin is specifically optimized for high-speed wire and cable extrusion. It can be processed using conventional extrusion equipment, ensuring smooth, continuous jacket formation with uniform thickness-improving production efficiency and reducing defect rates.
● High Mechanical Strength: HD921 FEP resin boasts a tensile strength of ≥26 MPa and an elongation at break of ≥320%, providing excellent toughness and flexibility. Cable jackets made from this resin can withstand mechanical impacts, abrasion, and bending without damage, ensuring reliable protection for internal conductors.
● Non-Stick & Low Friction Coefficient: Similar to other fluoropolymers, HD921 FEP resin has a low friction coefficient and non-stick characteristics. This makes cable installation easier (reducing friction between cables and conduits) and prevents dust, dirt, and moisture from adhering to the jacket surface.
● Low Volatile Content: With a volatile content of ≤0.1%, HD921 FEP resin ensures minimal outgassing during processing and use. This is critical for applications in sealed environments such as aerospace cabins and electronic enclosures, where outgassing can contaminate sensitive components.

Feature (F)
● Specialized FEP resin for wire & cable jacketing (Model: HD921), translucent particle appearance
● Melt flow rate: 2.1~5.0 g/10min, optimized for high-speed extrusion
● Excellent dielectric properties: dielectric constant ≤2.15 (10⁶ HZ), dissipation factor ≤7.0×10⁻⁴ (10⁶ HZ)
● High mechanical strength: tensile strength ≥26 MPa, elongation at break ≥320%
● Melting point around 270℃, operating temperature range: -200℃ to 200℃
● Inherently flame retardant (UL94 V-0), low volatile content (≤0.1%)
● Chemical inert, stress crack resistant, and compatible with conventional extrusion processes
 

Advantage (A)
● More cost-effective than PFA resin while maintaining comparable electrical and thermal performance for cable jacketing
● Easier to process than PTFE, enabling high-speed extrusion and reducing production costs
● Superior dielectric strength and flame retardancy compared to conventional cable jacketing materials (e.g., PVC, PE)
● Better chemical resistance and stress crack resistance than PVDF resin, suitable for harsher environments
● Low volatile content ensures compliance with strict outgassing requirements for aerospace and electronic applications
● Consistent batch performance ensures stable quality of cable jackets, reducing production defects
 

Benefit (B)
● For wire & cable manufacturers: High-speed extrusion compatibility improves production efficiency; consistent performance reduces defect rates and rework costs; cost-effectiveness enhances profit margins.
● For industrial users: Corrosion and flame retardant properties ensure cable safety and durability in harsh industrial environments, reducing maintenance and replacement costs.
● For aerospace and electronic manufacturers: Excellent dielectric performance and low outgassing ensure reliable signal transmission and protect sensitive components, meeting strict industry standards.
● For construction and infrastructure projects: Flame retardancy and long service life improve building safety and reduce long-term operational costs.
● For distributors: Versatile application in multiple cable types expands market reach; stable supply and consistent quality enhance customer trust.
 

Evidence (E)
● Our HD921 FEP resin has passed SGS and ISO 9001 quality certifications, with test report No. SGS-FEP-CABLE-2024-1008 confirming its dielectric strength, flame retardancy, and mechanical performance.
● A leading high-speed wire manufacturer in China adopted HD921 FEP resin for their industrial control cables, increasing production efficiency by 30% compared to using PFA resin while maintaining product performance standards.
● In a 1500-hour accelerated aging test simulating industrial environments, cable jackets made from HD921 FEP resin retained 95% of their tensile strength, significantly exceeding the industry requirement of 85%.
● HD921 FEP resin is used by an aerospace cable supplier for aircraft internal wiring, passing the SAE AS5953 standard for aerospace fluoropolymer wire insulation and jacketing materials.

Our HD921 FEP resin for wire & cable jacketing is packaged to ensure product purity and quality:
● Inner packaging: PE bag; outer packaging: drum, with a net weight of 25KG per drum.
● Storage requirement: Store in a dry, clean, and well-ventilated warehouse. Ensure the storage environment is free from impurities, moisture, and direct sunlight.
● Transportation note: Avoid severe vibration, sunlight, and rain during transportation. Prevent packaging damage to ensure the cleanliness of the resin particles and maintain product quality.

1.Industrial Control Cables: Used as jacketing material for industrial control cables, providing corrosion resistance and electrical insulation in harsh industrial environments such as chemical plants, power stations, and manufacturing workshops.

2.Aerospace Wires & Cables: Suitable for jacketing of aircraft internal wiring and aerospace cables, meeting strict flame retardancy and low outgassing requirements, ensuring safe operation in extreme aerospace environments.

3.High-Frequency Communication Cables: Excellent dielectric properties make HD921 FEP resin ideal for jacketing of high-frequency communication cables (e.g., coaxial cables), ensuring stable signal transmission without interference.

4.Electronic Equipment Wires: Used for jacketing of precision electronic equipment wires (e.g., computer wires, medical device wires), providing reliable insulation and protection for sensitive electronic components.

5.Outdoor & Harsh-Environment Cables: Corrosion resistance and weather resistance make it suitable for jacketing of outdoor cables, offshore platform cables, and mining cables, withstanding moisture, UV radiation, and chemical corrosion.

Looking for reliable, high-performance FEP resin for wire & cable jacketing? Contact our professional technical team today to get a free sample of HD921 FEP resin and a detailed technical datasheet. Our experts will provide tailored material solutions based on your specific cable application needs (e.g., high-speed extrusion, aerospace cables, industrial control cables). We offer flexible order quantities, competitive pricing, and timely delivery. Whether you need assistance with processing parameter optimization, quality certification, or application guidance, we are here to support you every step of the way. Don't miss the opportunity to enhance your cable product quality and production efficiency-send us an inquiry now or call +86-XXX-XXXXXXX to speak with our sales representative!

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