Forwa Self-Fusing Tape for Electrical Cables
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Description
Product Introduction
Forwa Self-Fusing Tape is a high-performance insulating material specially designed for the repair of cable joints and damaged cable sections. It offers excellent electrical insulation, waterproof sealing, and mechanical protection. No heating or special tools are required — simply wrap it by hand to form a strong, seamless repair layer. It is the ideal solution for cable maintenance and emergency repairs.
Product Features
Basic Properties
- Thickness: 0.15mm – 3.0mm (depending on model)
- Tensile Strength: ≥7 MPa
- Elongation at Break: ≥200%
Electrical Properties
- Dielectric Strength: ≥20 kV/mm
- Volume Resistivity: ≥1×10¹⁴ Ω·cm
- Dielectric Constant: 3.0–3.5 (1 kHz)
Environmental Adaptability
- Operating Temperature Range: -50°C to +250°C
- Weather Resistance: Excellent UV and ozone aging resistance
- Chemical Resistance: Resistant to acids, alkalis, and salt spray corrosion
- Problems It Solves
Cable Damage Issues
- Insulation degradation caused by damaged outer cable jackets
- Electrical safety hazards at cable joints
- Short-circuit faults caused by moisture ingress
Maintenance Challenges
- Traditional repair methods require specialized equipment and professional skills
- Power outages during repairs affect production continuity
- Difficult emergency repairs in complex environments
Cost Issues
- High cost of replacing entire cable lengths
- Expensive professional repair services
- Significant indirect losses due to prolonged downtime
Key Advantages
Ease of Use
- No professional skills required: Ordinary electricians can perform the repair
- No special tools needed: Repair is completed by simple hand wrapping
Performance Advantages
- Instant bonding: Sticks on contact, no curing time needed
- Excellent self-fusing property: Layers automatically fuse into a single, seamless unit
- High plasticity: Conforms tightly to complex shapes and irregular surfaces
Economic Benefits
- Significantly reduces costs: Saves over 80% compared to full cable replacement
- Shortens repair time: A single joint can be repaired in just 15–30 minutes
- Extends service life: Repaired cables can last 5–10 years
Application Scenarios
Power Systems
- Substations: Repair of cable termination heads
- Distribution networks: Overhead cable joint treatment
- Underground cables: Repair of directly buried cable damage
Industrial Applications
- Manufacturing: Cable maintenance for production equipment
- Petrochemical: Cable repair in explosion-proof areas
- Mining & Metallurgy: Cable protection in harsh environments
Infrastructure
- Rail transit: Signal cable joint sealing
- Construction sites: Temporary power line repair
- Communication systems: Waterproof sealing of fiber optic cable joints
Emergency Repairs
- Natural disasters: Power restoration after typhoons and floods
- Equipment failures: Emergency handling of sudden cable damage
- Nighttime maintenance: Minimizing impact on normal operations
Technical Specifications
Product Specification Parameters
Parameter | Standard Value | Test Method |
Thickness | 0.5 ± 0.05 mm | ASTM D374 |
Width | 25–100 mm | ASTM D374 |
Length | 5–20 m/roll | ASTM D374 |
Tensile Strength | ≥7 MPa | ASTM D412 |
Elongation at Break | ≥200% | ASTM D412 |
Dielectric Strength | ≥20 kV/mm | ASTM D149 |
Volume Resistivity | ≥1×10¹⁴ Ω·cm | ASTM D257 |
Operating Temperature | -40°C to +250°C | IEC 60216 |
Model Selection Guide
Model | Applicable Cable Cross-section | Applicable Voltage Level | Recommended Applications |
SR-25 | 10–50 mm² | ≤1 kV | Low-voltage control cables |
SR-50 | 50–120 mm² | ≤10 kV | Distribution cables |
SR-75 | 120–240 mm² | ≤35 kV | High-voltage transmission cables |
SR-100 | >240 mm² | ≤35 kV | Large cross-section cables |
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No. 168, Qingdong Road, Dongcheng Street, Sihui City, Guangdong Province, China.
