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China PVC Insulated Cable Material Suppliers - Quality Factory Manufacturing with Excellent Properties
PRODUCT FEATURES
Excellent dielectric properties PVC is a good electrical insulation material, can effectively prevent current leakage, so as to ensure the safe and stable operation of the cable system.
Strong corrosion resistance PVC insulated cable material has strong corrosion resistance to many chemicals and environmental factors, so that it can maintain a long service life in a variety of applications.
Mechanical strength PVC cable material has sufficient mechanical strength and can resist tensile, extrusion and bending stresses.
Recyclability PVC cable materials can be recycled and reused, helping to reduce environmental impact.
SCOPE OF USE
Cable and optical cable, coaxial cable, network cable, elevator cable, etc.
TEST ITEMS AND STANDARDS
Mechanical, physical and electrical properties of polyvinyl chloride cable material
| Item | J-70 | JR-70 | JGD-70 | J-90 |
|---|---|---|---|---|
| Tensile strength/MPa | ≥ 15.0 | ≥ 15.0 | ≥ 16.0 | ≥ 16.0 |
| Tensile strain at break/% | ≥ 150 | ≥ 180 | ≥ 150 | ≥ 150 |
| Thermal deformation | ≥ 40 | ≥ 50 | ≥ 30 | ≥ 30 |
| Brittle property test temperature/°C | -15 | -20 | -15 | -15 |
| Impact embrittlement properties | Pass | Pass | Pass | Pass |
| Thermal stability time at 200°C/min | ≥ 60 | ≥ 60 | ≥ 100 | ≥ 180 |
| Volume resistivity at 20°C/Ω·m | ≥ 1.0×1012 | ≥ 1.0×1011 | ≥ 3.0×1012 | ≥ 1.0×1012 |
| Dielectric strength/(MV/m) | ≥ 20 | ≥ 20 | ≥ 25 | ≥ 20 |
| Dielectric loss factor(50Hz) | ≤ — | ≤ — | ≤ 0.1 | ≤ — |
Mechanical and physical properties of polyvinyl chloride cable material after aging
| Item | J-70 | JR-70 | JGD-70 | J-90 |
|---|---|---|---|---|
| Test temperature/°C | 100±2 | 100±2 | 100±2 | 135±2 |
| Test time/h | 168 | 168 | 168 | 240 |
| Tensile strength after aging /MPa | ≥ 15.0 | ≥ 15.0 | ≥ 16.0 | ≥ 16.0 |
| Maximum tensile strength change rate/% | ±20 | ±20 | ±20 | ±20 |
| Tensile strain at fracture after aging/% | ≥ 150 | ≥ 180 | ≥ 150 | ≥ 150 |
| Maximum change rate of tensile strain at break/% | ±20 | ±20 | ±20 | ±20 |
| Test condition | 100±2°C | 100±2°C | 100±2°C | 115±2°C |
| (Test time) | 168 h | 168 h | 168 h | 240 h |
| Mass loss/(g/m²) | ≤ 20 | ≤ 20 | ≤ 20 | ≤ 20 |
Frequently Asked Questions (FAQ)
What are the main features of PVC cable materials?
PVC cable materials offer excellent dielectric properties, strong corrosion resistance, high mechanical strength, and are highly recyclable, making them safe and durable.
Where are PVC insulated cables commonly used?
They are widely utilized in various applications including standard cables, optical cables, coaxial cables, network cables, and elevator cables.
Are PVC cable materials environmentally friendly?
Yes, PVC cable materials can be recycled and reused in many industries, which significantly helps in reducing their environmental impact.
What is the standard tensile strength for PVC cable materials?
Depending on the specific grade (e.g., J-70, JR-70, JGD-70, J-90), the tensile strength requirement is generally ≥ 15.0 MPa or ≥ 16.0 MPa before aging.
How does aging affect the properties of PVC cable material?
After undergoing aging tests at elevated temperatures (e.g., 100°C or 135°C) for 168 to 240 hours, the material maintains its mechanical integrity, with the maximum tensile strength and strain change rate strictly controlled within ±20%.