High Voltage Silicone
for Electrical Insulation Applications
Our High Voltage Silicone Rubber delivers outstanding electrical insulation, thermal stability, and dielectric strength for critical applications in power transmission, electronics, and high-voltage equipment. It ensures long-term safety and performance in demanding environments.
ISO/TS 16949
ISO 9002
ISO 3808
ISO 9001
ISIRI 4267-2
ISO 17025
10993-5
10993-10
10993-4
Pharma
ASTM F756
High Voltage & Dielectric Strength
Excellent dielectric performance prevents arcing and current leakage under thermal and electrical stress.
Temperature Resistance
Reliable from –60°C to +250°C, stable under extreme thermal and electrical load.
UV & Weathering Durability
Resistant to corona discharge, UV, ozone, and outdoor weathering for long-term outdoor performance.
Safety & Flame Retardancy
Complies with safety standards; custom flame-retardant, low-smoke, and insulation grades available.
Customizable Performance
Tailored for insulation, flame, or mechanical requirements to suit specific applications.
Electrical & Mechanical Reliability
Maintains performance under continuous high-voltage stress and mechanical demands.
High Voltage Resistant Silicone - Technical Data
| Property | HV-80 | HV-80 | HV-70 | HV-60 | HV-60 | HV-50 | HV-40 | Test Method |
|---|---|---|---|---|---|---|---|---|
| Hardness (Shore A) | 80 | 80 | 70 | 60 | 60 | 50 | 40 | DIN 53 505 |
| Tensile Strength (MPa) | 5.37 | 4.57 | 5.78 | 3.77 | 8.28 | 2.18 | 3.43 | DIN 53 504 |
| Elongation at Break | 227% | 157% | 414% | 353% | 832% | 255% | 768% | |
| Tear Strength (N/mm) | 8.48 | 6.23 | 35 | 5.38 | 36.42 | 2.53 | 7.54 | DIN 53 504 |
| Test Condition C°/min | 130/4 | 170/2 | 130/4 | 170/2 | 130/4 | 170/2 | 170/2 | |
| Selica Based | PPT | PPT | PPT | PPT | Fumed | PPT | PPT | |
| Curing Agent | DCBP | DCP | DCBP | DCP | DCBP | DCP | DCP | |
| Dielectric Strength (kV/mm) | ||||||||
| Dielectric Constant (E2 50 HZ) | ||||||||
| Dissipation factor (tan 6/1000 HZ) | ||||||||
| Rebound Resilience (%) | 40 | 40 | 40 | 40 | 40 | 40 | 40 | DIN 53 512 |
| Specific Gravity (cm³) | 1/24 | 1/24 | 1/24 | 1/24 | 1/24 | 1/24 | 1/24 | |
| Compression set | 2.5% | 2.5% | 2.5% | 2.5% | 2.5% | 2.5% | 2.5% | DIN 53 517 |
| Temperature Range | –50°C to +250°C | –50°C to +250°C | –50°C to +250°C | –50°C to +250°C | –50°C to +250°C | –50°C to +250°C | –50°C to +250°C | |
| Appearance | White | White | White | White | White | White | White | |
Typical Applications
Electrical Insulation
High-voltage cables, terminal boots, dielectric sleeves, and insulation components.
Industrial Equipment
High-voltage gaskets, protective housings, and sealing components for heavy-duty systems.
Power Transmission
High-voltage insulators, bushings, and surge arresters for grid and substation use.
Electronics
Connectors, insulation parts, and protective coatings for sensitive electronic systems.
EV Systems
Battery seals, high-voltage connectors, and cable sheaths for electric vehicles.
Power Electronics
Gaskets, transformer covers, and arc barriers for high-load electronic assemblies.
Aerospace
Insulating shields, surge boots, and harness covers for aerospace environments.
Telecom
Protective insulation components for communication infrastructure and signal systems.
Compliance & Quality
- ISO 9001 – Quality Management
- Batch-tested for strength & durability
- Fully traceable batch documentation
- ASTM / ISO standards verified
- RoHS / REACH compliant
Key Features & Benefits
Related Products
High Tear Strength Silicone
Durable and resistant to tearing, engineered to withstand the most demanding applications.
Low Hardness Silicone
Flexible and soft engineered for applications requiring gentle compression, cushioning, or a soft touch.
Ceramic Fire-Resistant Silicone
Formulated to provide excellent fire resistance while maintaining flexibility and durability.