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.
Moisture & Corona Resistance
Withstands humidity and corona-induced degradation for stable long-term insulation performance.
Industrial & Outdoor Applications
Engineered for demanding environments, including industrial machinery, outdoor cabling, and renewable energy systems.
Key Highlights
Technical Data
High Voltage Resistant Silicone
| 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
Performed Tests
Request Sample
We’re excited to provide you with a sample of our high-quality silicone products. Please fill out the form below with your technical specifications and requirements. Include any datasheets or drawings using the file upload option, so our team can prepare the exact sample you need. Our team will review your request promptly and get back to you with details, availability, and delivery information.
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