High Temp Silicone Applications
High Temp Silicone is designed for sealing and bonding where standard sealants cannot withstand prolonged exposure to heat. Suitable for both indoor and outdoor applications, it provides a durable, flexible seal that resists weathering, UV exposure and vibration while maintaining excellent adhesion to a wide range of building materials.
Common applications include:
- Industrial ovens and furnaces
- HVAC ducting and ventilation systems
- Flues and exhaust systems
- High temperature pipe penetrations
- Industrial machinery
- Automotive and mechanical equipment
- Forming in-place gaskets
- Electrical enclosures requiring heat resistance
Its permanent flexibility allows movement in joints without cracking, making it suitable for installations exposed to thermal expansion and vibration.
Benefits of High Temp Silicone
Also known as heat resistant silicone, high temperature RTV silicone is specifically formulated for environments where elevated temperatures are expected.
Benefits include:
- Heat resistant silicone up to 312°C
- Continuous service temperatures of 260°C
- Fast curing acetic cure formula
- Excellent UV and weather resistance
- High tensile strength
- Flexible after curing
- Suitable for internal and external use
- Strong adhesion to steel, aluminium, glass, ceramics, fibreglass and timber
This combination of heat resistance and flexibility makes it suitable for demanding commercial and industrial sealing applications.
Compatible Materials
High Temperature Silicone bonds well to many common construction and industrial materials, including:
- Stainless steel
- Mild steel
- Aluminium
- Glass
- Ceramic
- Fibreglass
- Timber
Surfaces should be clean, dry and free from grease, oil or dust before application to achieve the best bond.
High Temp Silicone FAQs
Find answers to common questions about high temperature silicone, heat resistance, applications and compatible materials.
What is RTV silicone?
RTV stands for Room Temperature Vulcanising. This means the silicone cures at normal room temperature when exposed to moisture in the air, forming a durable and flexible seal without requiring heat to harden.
What temperatures can High Temperature Silicone withstand?
This High Temperature Silicone offers heat resistance up to 312°C and continuous operating temperatures up to 260°C.
Can High Temp Silicone be used outdoors?
Yes. Once cured, it provides resistance to UV exposure, weathering and moisture, making it suitable for both internal and external sealing applications.
What materials does High Temperature Silicone bond to?
It is compatible with aluminium, stainless steel, mild steel, glass, ceramics, fibreglass and timber. Surfaces should be clean, dry and free from grease, oil and dust before application.
