Our high-performance Sealing Strip/Filling Strip is engineered specifically for demanding electrical insulation and waterproofing applications. Designed for seamless integration with heat-shrinkable and cold-shrinkable materials, this professional-grade rubber strip provides an airtight and watertight seal for 1-35kv cross-linked cable terminals and intermediate connectors, ensuring long-term stability in critical power infrastructure.
Beyond power cables, this versatile sealing solution is ideal for distribution network modifications, communication cable joints, and antenna base stations. By combining superior dielectric strength with exceptional mechanical flexibility, it effectively prevents moisture ingress and environmental degradation, making it an essential component for overhead insulated wires and branch wire clips in diverse industrial environments.
Detailed Parameters
| Thickness | 2 mm (GB/T533-2008) | Breaking Strength | ≥200 MPa (GB/T533-2008) |
|---|---|---|---|
| Elongation at Break | ≥500% (GB/T328.9-2007) | Dielectric Strength | ≥18 kV/mm (JC/T942-2004) |
| Volume Resistivity | ≥1x10 Ω·cm (JC/T942-2004) | Dielectric Constant | ≤3.5 (JC/T942-2004) |
| Heat Resistance | 130℃, 1h (No cracking/dripping) | Steel Plate Peeling | ≥10 N/25mm (JC/T942-2004) |
| Polyethylene Peeling | ≥12 N/25mm (JC/T942-2004) | Standard Size | Width 26mm / Length 330m |
Key Advantages
Superior Waterproofing
Provides an impenetrable barrier against moisture, ideal for communication base stations and cable joints.
Thermal Stability
Maintains structural integrity up to 130℃ without cracking or dripping, ensuring reliability in hot zones.
High Dielectric Strength
With ≥18 kV/mm strength, it offers premium electrical insulation for medium-to-high voltage applications.
Excellent Adhesion
Strong peeling strength on both steel and polyethylene plates for secure, permanent bonding.
Extreme Flexibility
Elongation at break ≥500% allows for easy wrapping and fitting around complex cable geometries.
Industrial Compliance
Manufactured according to GB/T and JC/T standards for consistent quality and global compatibility.
Product Gallery
Management Platforms
Inventory Control
Real-time tracking of rubber tape stock levels to ensure uninterrupted supply for large projects.
Quality Assurance
Strict adherence to GB/T and JC/T testing protocols for every production batch.
Order Automation
Streamlined ordering process for customized widths and lengths to meet specific technical needs.
Technical Support
Expert guidance on integrating sealing strips with cold-shrinkable materials for 35kv cables.
Logistics Tracking
Global shipping management ensuring moisture-free delivery of sensitive rubber products.
Custom Engineering
Tailored material specifications for specialized communication base station antenna sealing.
Investment Return Comparison
| Performance Metric | Standard Rubber Tape | Our Premium Sealing Strip |
|---|---|---|
| Waterproof Longevity | Moderate (1-3 years) | Extreme (10+ years) |
| Thermal Threshold | Up to 80℃ | Up to 130℃ |
| Installation Speed | Slow (Multi-layer) | Fast (High-efficiency fill) |
| Dielectric Stability | Variable | Consistent ≥18 kV/mm |
| Maintenance Cost | Frequent Re-sealing | Minimal to Zero |
Frequently Asked Questions
It is primarily used for filling, insulation, and waterproofing in 1-35kv cross-linked cable terminals, communication base stations, and distribution network modifications.
Yes, it is specifically designed to be compatible with both heat-shrinkable and cold-shrinkable materials for optimal sealing performance.
The product can withstand temperatures up to 130℃ for 1 hour without cracking or dripping, according to JC/T942-2004 standards.
Yes, it shows high peeling strength on steel plates (≥10 N/25mm) and polyethylene plates (≥12 N/25mm), ensuring a secure bond.
Absolutely. While the standard size is 26mm width and 330m length, other sizes and cores are available upon request from the factory.
By providing high dielectric strength (≥18 kV/mm) and complete waterproofing, it prevents electrical leakage and corrosion in high-voltage environments.
