Bond It HT30 High-Temperature Silicone Sealant (310ml, Red)

Stop the heat from escaping and keep your installations secure with Bond It HT30, the professional’s choice for high-heat sealing. Specially formulated as a one-part, alkoxy-cure silicone, HT30 is engineered to withstand extreme temperatures without losing its flexibility or adhesive strength.

Whether you are sealing oven doors, industrial gaskets, or heating systems, this premium sealant provides a durable, weather-tight seal that thrives where standard silicones fail.

Key Features & Benefits

• Extreme Heat Resistance: Withstands constant temperatures up to +250°C and intermittent exposure up to +300°C.
• Flexible & Durable: Maintains a permanently flexible rubber seal that won't crack or shrink under thermal expansion.
• Superior Adhesion: Bonds instantly to most non-porous surfaces including metal, glass, ceramics, and vitreous surfaces.
• Weather & Chemical Resistant: Highly resistant to ozone, UV radiation, and many common industrial chemicals.
• Easy Application: Ready-to-use 310ml cartridge fits all standard sealant guns for a smooth, professional finish.

Common Applications

Bond It HT30 is a versatile powerhouse for domestic and industrial use, including:

• Kitchen & Home: Sealing oven door windows, flues on wood-burning stoves, and heat-shielding panels.
• Automotive: Gasket replacement for timing chain covers, oil pans, and water pumps.
• Industrial: Sealing furnace doors, ductwork, and high-temperature pipework.
• HVAC: Creating airtight seals in heating and ventilation units.

Technical Specifications

How to Use

1. Prep: Ensure all surfaces are clean, dry, and free from old sealant, grease, or dust.
2. Apply: Cut the tip of the cartridge and nozzle to the desired bead size. Apply evenly using a caulking gun.
3. Finish: Tool the sealant within 10 minutes of application using a jointing tool or a gloved finger dipped in soapy water.
4. Cure: Allow at least 24 hours for a full cure (depending on bead thickness and humidity).

Why Choose Bond It?

As one of the UK’s leading manufacturers of building chemicals, Bond It products are synonymous with reliability. When you buy HT30, you’re investing in a trade-grade solution that meets the highest safety and performance standards.

Note: Not suitable for use on porous surfaces like brick or stone, or for applications in direct contact with fuels or highly oxidative acids. Always test a small area before full application.