High-Temperature Silicone Sheets
Specialty heat-stabilized iron-oxide red silicone rubber sheeting engineered to withstand continuous thermal exposure up to +300°C. Retains flexibility, tensile resilience, and low compression set in high-temperature autoclaves, furnace doors, and aerospace thermal shields.
Types & Configurations of High-Temperature Silicone Sheets
Standard +260°C Heat-Stabilized Sheeting
Iron-oxide red solid silicone sheet for continuous industrial oven door sealing.
Extreme +300°C Aerospace Grade Sheeting
Specially compounded silicone retaining elasticity under extreme thermal shock.
Fiberglass Cloth Inserted High-Temp Sheet
Internal woven glass cloth preventing gasket extrusion under hot clamping pressure.
Closed-Cell High-Temp Silicone Sponge Sheet
Heat-stabilized cellular silicone sheet sealing irregular gaps with minimal bolt load.
Thermal Interface Conductive Silicone Pads
Ceramic filled heat-conducting silicone sheets dissipating heat from power transistors.
Key Industrial Applications
Specifications & Technical Details
High-Temperature Silicone Sheets can be precision-manufactured in custom dimensions, wall thicknesses, cross-sections, and durometers to match your exact application specifications. Below are typical engineering cross-section drawings and technical parameters for reference.
Typical Dimension Drawings & Blueprint Cross-Sections
Technical Specifications
| Parameter | Specification / Options |
|---|---|
| Continuous Temperature | -60°C to +260°C continuous service |
| Intermittent Peak Temp | Up to +300°C short excursion capability |
| Thickness Range | 0.5mm to 20.0mm |
| Durometer Hardness | 50A, 60A, 70A Shore A |
| Tensile Strength | 7.0 MPa to 10.0 MPa (ASTM D412) |
| Compression Set @ 175°C | < 20% after 22 hrs (ASTM D395 Method B) |
| Thermal Conductivity | 0.25 W/m·K (standard) / up to 1.5 W/m·K (thermal pad grades) |
Material Selection & Properties
We offer specialized compound formulations tailored to chemical media, thermal extremes, static deflection, and dynamic fatigue requirements. The best material depends on your operating environment and required service life.
| Material / Polymer | Key Engineering Properties | Recommended Applications & Considerations |
|---|---|---|
| General Purpose Silicone | Thermal stability from -60°C to +200°C, dielectric | Electrical insulation, high-temp oven door seals |
| Platinum-Cured Silicone | Ultra-pure, non-yellowing, zero peroxide byproducts | Medical fluid transfer, pharmaceutical filling lines |
| High-Temperature Grade | Continuous operation up to +250°C, intermittent +300°C | Automotive turbocharger hoses, furnace baffles |
| Flame Retardant (UL94 V-0) | Low smoke toxicity, self-extinguishing flame resistance | Rail transit interior seals, EV battery pack insulation |
| Conductive / Antistatic Silicone | Volume resistivity 10² to 10⁴ Ω·cm for ESD shielding | Avionics EMI/RFI shielding, semiconductor handling |
Important Engineering Guidance
The above properties are general characteristics. Final material selection depends on your specific application, operating conditions, load requirements, media compatibility, and service temperature. Please contact our polymer engineering team for tailored compounding guidance on High-Temperature Silicone Sheets.
Production Batch Gallery
Actual production batch examples of High-Temperature Silicone Sheets manufactured for OEM, automotive, railway, and heavy engineering clients. We manufacture standard catalogue sizes as well as bespoke custom geometries from your CAD models or physical samples.
Request an Engineering Quote
Share your required dimensions, polymer grade, or 2D/3D drawings for immediate engineering review and quote.