Description
Low Viscosity PVDF Resin for Wire and Cable is a high-performance fluoropolymer engineered for superior processability and long-term electrical reliability. It combines excellent melt flow, outstanding dielectric properties, and exceptional chemical resistance, making it an ideal insulation and jacketing material for demanding wire and cable applications.
Low Viscosity PVDF Resin for Wire and Cable is developed to meet the stringent requirements of modern electrical, electronic, and industrial cabling systems. Compared with standard PVDF grades, this resin exhibits significantly improved melt flow behavior, allowing stable processing at lower extrusion pressure and higher line speeds. As a result, manufacturers can achieve consistent insulation thickness, smooth surface finish, and reduced energy consumption during production.
Technical Specifications
| Product Type | Copolymer, Low Viscosity |
| Application | Wire and Cable |
| Appearance | White translucent pellets |
| Grade | HD9108 |
Physical Properties
|
Property |
Value |
Test Method |
|
Density (g/cm³) |
1.77 – 1.80 |
ASTM D792 |
|
Melt Flow Rate (g/10 min) |
15.0 – 25.0 |
ASTM D1238, 5 kg, 230°C |
|
Melt Viscosity (kPa·s) |
6 – 9 |
ASTM D3835, Shear rate 100 s⁻¹ |
|
Water Content (%) |
≤ 0.040 |
ISO 62 (24 h) |
|
Linear Molding Shrinkage (cm/cm) |
0.0200 – 0.0300 |
- |
Molecular Characterization
|
Property |
Value |
Test Method |
|
Molecular Weight (Da) |
250,000 – 280,000 |
GPC, DMF, ISO 16014 |
|
Intrinsic Viscosity (dl/g) |
0.85 – 1.00 |
30°C, DMAC |
|
Molecular Weight Distribution (MWD) |
2.0 – 3.0 |
GPC, DMF, ISO 16014 |
Mechanical Properties (Thickness: 2.0 mm)
|
Property |
Value |
Test Method |
|
Tensile Modulus (MPa) |
600 – 1000 |
ASTM D638, 1.0 mm/min |
|
Flexural Modulus (MPa) |
800 – 1000 |
ASTM D790, 2.0 mm/min |
|
Yield Strength (MPa) |
25.0 – 35.0 |
ASTM D638, 50 mm/min |
|
Breaking Strength (MPa) |
20.0 – 30.0 |
ASTM D638, 50 mm/min |
|
Elongation at Yield (%) |
10.0 – 15.0 |
ASTM D638, 50 mm/min |
|
Elongation at Break (%) |
200 – 600 |
ASTM D638, 50 mm/min |
Mechanical Properties (continued)
|
Property |
Value |
Test Method |
|
Hardness, Shore D (Thickness 2.0 mm) |
70 – 75 |
ASTM D2240 |
|
Izod Impact Strength, Notched (Thickness 4.0 mm, 23°C) (J/m) |
100 – 150 |
ASTM D256, Notched V, 10 mm |
Thermal Properties
|
Property |
Value |
Test Method |
|
Melting Point (°C) |
158 – 166 |
ASTM D3418 |
|
Crystallization Temperature, DSC Peak (°C) |
115 – 130 |
ASTM D3418 |
|
Glass Transition Temperature, Tg (°C) |
–32.0 |
ASTM E1356 |
|
Decomposition Temperature (°C) |
330 – 350 |
1 wt.% loss in air |
|
Vicat Softening Point (°C) |
90 – 105 |
ASTM D1525 |
|
Heat Distortion Temperature, 1.8 MPa (Thickness 4.0 mm) (°C) |
- |
ASTM D648, after annealing at 150°C for 16 h |
Electrical Properties
|
Property |
Value |
Test Method |
|
Surface Resistance (Ω) |
≥ 1.0 × 10¹⁴ |
ASTM D257, <1 V, after 2 min, 500 V |
|
Volume Resistivity (Ω·cm) |
≥ 1.0 × 10¹⁴ |
ASTM D257, 10 mA, after 2 min at 23°C |
|
Dielectric Strength (Thickness 1.0 mm, 23°C) (kV/mm) |
20 – 25 |
ASTM D149 |
|
Dielectric Constant (1 kHz, 23°C) |
7.0 – 10.0 |
ASTM D150 |
Combustion Properties
|
Property |
Value |
Test Method |
|
Flame Rating, UL (0.10 mm) |
V-0 |
UL 94 |
|
Oxygen Index (Thickness 3.0 mm) (%) |
44 |
ASTM D2863 |
From a materials science perspective, the low viscosity is achieved through controlled polymerization and precise molecular weight control. This ensures that while the resin flows easily during melt processing, it still forms a dense, highly crystalline structure after cooling. This structure is responsible for PVDF's well-known high dielectric strength, typically exceeding 20 kV/mm, which is critical for wire and cable insulation safety.
In terms of thermal performance, this PVDF resin maintains mechanical integrity across a wide temperature range, generally from –40°C to 150°C in continuous service. This makes it suitable for high-temperature wires, automotive cables, aerospace wiring, and industrial control systems where thermal stability is non-negotiable.
Chemically, PVDF offers excellent resistance to oils, fuels, acids, solvents, and UV radiation. For wire and cable installations exposed to harsh environments-such as chemical plants, offshore platforms, or outdoor applications-this resistance translates directly into longer service life and lower maintenance costs, providing tangible benefits to buyers.
Following the FABE principle
● Features: Low melt viscosity, high purity, uniform pellet size, excellent dielectric and chemical resistance.
● Advantages: Easier extrusion, higher production efficiency, stable insulation quality, reduced processing defects.
● Benefits: Lower manufacturing cost, improved cable reliability, extended product lifespan, and reduced risk of electrical failure.
● Evidence: Widely used PVDF grades in wire and cable applications have demonstrated long-term performance in demanding industrial and electrical environments, supported by industry standards and field data.
This low viscosity PVDF resin is compatible with standard wire and cable extrusion equipment and can be tailored for specific insulation thickness, flexibility, and performance requirements.
Characteristics Platform
Quality Control
Packagings
25kg/woven bag, 800kg/pallet
Workshop Gallery
Customer Cases
FAQ
Q1: What makes low viscosity PVDF resin suitable for wire and cable extrusion?
Low viscosity improves melt flow, enabling smoother extrusion, better surface finish, and precise insulation thickness control, especially for thin-wall cable designs.
Q2: Can this PVDF resin be used for high-temperature cables?
Yes. It offers excellent thermal stability and is suitable for continuous operation in elevated temperature environments common in industrial and automotive wiring.
Q3: How does PVDF compare to other fluoropolymers for cable insulation?
PVDF provides an optimal balance of processability, mechanical strength, dielectric performance, and cost efficiency compared to many other high-end fluoropolymers.
Q4: Is this resin suitable for outdoor or chemically aggressive environments?
Absolutely. PVDF's resistance to UV radiation, chemicals, oils, and solvents makes it ideal for harsh operating conditions.
Q5: Can the resin be customized for specific cable applications?
Yes. Different grades and formulations can be supplied based on viscosity, flexibility, and performance requirements.
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