The J50 High-voltage EPR Rubber Tape is a premium-grade ethylene propylene rubber insulating solution engineered specifically for high-voltage cable applications. Designed for the docking, termination, and recovery of solid medium cables ranging from 600V to 138kV, this tape provides an exceptional dielectric barrier that ensures maximum electrical safety and reliability in demanding industrial environments.
Featuring an emergency overload temperature capacity of up to 130℃, the J50 tape maintains superior physical and electrical properties even under extreme thermal stress. Its specialized non-stick release paper ensures effortless unrolling during installation, making it the ideal choice for providing robust mechanical protection and high-performance insulation for all solid dielectric cable layers.
Detailed Parameters
| Tensile Strength | ≥1.7 Mpa (GB/T 528) | Elongation at Break | ≥500 % (GB/T 528) |
|---|---|---|---|
| Dielectric Strength | ≥28 kV/mm (GB/T 1695) | Volume Resistivity | ≥1x10⁴ Ω·cm (GB/T 1692) |
| Dielectric Loss Tangent | ≤0.05 (GB/T 1693) | Dielectric Constant | ≤5.0 (GB/T 1693) |
| Self Viscosity | No loosening (JB/T 6468) | Heat-resistant Stress Cracking | No cracking (JB/T 6468) |
| Heat Resistance | 130 ℃ (JB/T 6468) | Application Range | 600 V to 138 kV |
Key Advantages
High Dielectric Strength
With a dielectric strength of ≥28 kV/mm, it ensures superior insulation for high-voltage systems up to 138kV.
Extreme Heat Resistance
Capable of withstanding emergency overload temperatures up to 130℃ without cracking or degradation.
Superior Elasticity
Boasting an elongation at break of ≥500%, providing a tight, flexible seal around irregular cable shapes.
Mechanical Protection
Acts as a robust outer layer to protect dielectric cable insulation from physical impact and wear.
Effortless Application
Equipped with a special non-stick release paper for smooth unrolling and faster installation time.
Solid Dielectric Support
Fully compatible with all solid dielectric cable insulation layers for comprehensive sealing.
Product Gallery
Management Platforms
Inventory Control
Precise tracking of rubber tape stock levels to ensure seamless supply chain continuity.
Quality Assurance
Strict adherence to GB/T and JB/T standards through rigorous batch testing and verification.
Application Support
Technical guidance for optimal cable termination and docking using EPR materials.
Order Logistics
Optimized shipping and packaging to prevent deformation of rubber rolls during transit.
Custom Sizing
Flexible manufacturing options for various widths and lengths to meet specific project needs.
Material Compliance
Ensuring all rubber compounds meet international safety and environmental regulations.
Investment Return Comparison
| Feature | Standard Rubber Tape | J50 High-Voltage EPR |
|---|---|---|
| Voltage Range | Low to Medium | Up to 138 kV |
| Heat Resistance | Basic (60-80℃) | Advanced (Up to 130℃) |
| Dielectric Strength | Moderate | Ultra-High (≥28 kV/mm) |
| Durability | Standard wear | High stress-crack resistance |
| Application Efficiency | Manual peeling | Easy-release paper design |
Frequently Asked Questions
It is primarily used for the docking, termination, and main insulation recovery of solid medium cables ranging from 600V to 138kV.
Yes, the J50 tape is designed to handle emergency overload temperatures reaching up to 130℃ without losing its structural integrity.
Absolutely. It is specifically engineered to be used on all solid dielectric cable insulation layers for both insulation and mechanical protection.
The tape features a special release paper that ensures it will not stick to itself or the paper when being unrolled, facilitating faster installation.
Standard sizes include widths of 19mm, 25mm, 38mm, and 50mm with lengths ranging from 5m to 9.1m. Custom sizes are available upon request.
By providing a high dielectric strength (≥28 kV/mm) and excellent volume resistivity, it prevents electrical leakage and breakdowns in high-voltage environments.
