High Tear Strength Silicone
for Demanding Industrial Applications
Our High Tear Strength Silicone Rubber is engineered to withstand the most demanding applications where durability and resistance to tearing are crucial. Without compromising its integrity, this material is perfect for industries where silicone components are exposed to intense stress, wear, and harsh conditions.
ISO/TS 16949
ISO 9002
ISO 3808
ISO 9001
ISIRI 4267-2
ISO 17025
10993-5
10993-10
10993-4
Pharma
ASTM F756
Key Features & Benefits
Temperature Resistance
Performs reliably from -50°C to +250°C; ideal for high-temp and cold-resilient applications.
Durability
Resistant to UV, ozone, and chemicals; maintains shape and seal after compression.
Mechanical Strength
High tensile, tear, and compression recovery; excellent stretchability for dynamic components.
Cost-Effective
Premium performance at competitive pricing for industrial applications.
Versatility
Medium density and consistent performance; suitable for extrusion, molding, and precision parts.
Customizable
Default white, can be color-matched; hardness and form tailored to specific needs.
Quality Assurance
ISO 9001 certified, batch-tested for strength & durability, fully traceable documentation.
Chemical & Fluid Resistance
Withstands oils, fuels, and industrial chemicals without degradation; maintains performance in challenging environments.
Technical Data
High Tear Strength Silicone
| Property | HT-70 | HT-60 | HT-50 | HT-40 | HT-30 | Test Methods |
|---|---|---|---|---|---|---|
| Hardness (Shore A) | 70 | 60 | 50 | 40 | 30 | DIN 53 505 |
| Tensile Strength (MPa) | 6.8 | 8.28 | 6 | 4.24 | 3.05 | DIN 53 504 |
| Elongation at Break | 372% | 832% | 850% | 405% | 842% | ASTM-D 624 die B |
| Tear Strength (N/mm) | 37.72 | 36.42 | 41 | 25 | 36.85 | DIN 53 504 |
| Test Condition C°/min | 130/4 | 130/4 | 130/4 | 130/4 | 130/4 | |
| Selica Based | Fumed | Fumed | Fumed | Fumed | Fumed | |
| Curing Agent | PTC | DCBP | PTC | PTC | PTC | |
| Rebound Resilience (%) | 40 | 40 | 40 | 40 | 40 | DIN 53 512 |
| Specific Gravity (cm³) | 1/24 | 1/24 | 1/24 | 1/24 | 1/24 | |
| Compression set | 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 | |
| Appearance | White | White | White | White | White | |
Variant Summary Matrix (Quick Comparison)
| Compound | Shore A Hardness | Tensile Strength (MPa) | Elongation at Break (%) | Tear Strength (N/mm) |
|---|---|---|---|---|
| HT-70 | 70 | 6.8 | 372% | 37.72 |
| HT-60 | 60 | 8.28 | 832% | 36.42 |
| HT-50 | 50 | 6 | 850% | 41 |
| HT-40 | 40 | 4.24 | 405% | 25 |
| HT-30 | 30 | 3.05 | 842% | 36.85 |
Typical Applications
Automotive
Gaskets, seals, spark plug boots, and hoses exposed to high temperatures.
Industrial
Heavy-duty tubing, isolators, and process seals for manufacturing and machinery.
Wearables & Electronics
Grips, housings, wristbands.
Aerospace
High-tensile, vibration-damping seals for aviation and aerospace systems.
Energy & Oil
Weatherproof seals, insulated enclosures, and components for energy and oil sectors.
Sports Equipment
Flexible grips, shock-absorbing partss
Machinery Components
Seals, gaskets, and flexible parts for industrial machines and tools.
Protective Seals
High-performance seals resistant to chemicals, oils, and mechanical stress.
Compliance & Quality
- ISO 9001 – Quality Management
- Batch-tested for strength & durability
- Fully traceable batch documentation
- ASTM / ISO standards verified
- RoHS / REACH compliant
Testings
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