INGADA™ SR-19 High-Temperature Silicone Sealant – Rated to 300°C (572°F)
Sealing the Heat, Defying the Extreme
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The Problem: Standard gaskets and sealants smoke, melt, or turn to dust when exposed to industrial furnace or exhaust temperatures.
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The Solution: SR-19 is “Heat-Forged Protection,” staying flexible and rubbery where others fail, ensuring exhaust and heat systems remain airtight and safe.

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300°C Continuous Service: Maintains flexibility and seal integrity under constant heat exposure up to 300°C.
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Thermal Cycling Resistance: Engineered to withstand repeated heating and cooling cycles without cracking or losing adhesion.
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Non-Volatile Formula: Minimal shrinkage and weight loss at extreme temperatures; will not "bake out" or become brittle.
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Industrial Strength Adhesion: Bonds reliably to stainless steel, aluminum, ceramics, and heat-resistant paints.
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Chemical & Weather Resilience: Resists oils, fuels, ozone, and UV radiation for harsh indoor/outdoor environments.
Technical Comparison
| Feature | SR-19 (High Temp) | Standard Silicone (SR-50L) |
| Max Temp |
300°C (Continuous) |
150°C (Maximum) |
| Filling |
Inorganic-Filled |
Standard Polymer |
| Physical Change |
Resists Hardening at Heat |
May degrade >200°C |
| Typical Use |
Engines, Ovens, Boilers |
Facades, Glass |
Q:What is the maximum continuous service temperature for SR-19?
A:SR-19 is engineered for extreme heat, providing continuous resistance up to 300°C, with the ability to handle even higher temperatures intermittently.
Q:Will SR-19 become brittle or crack under constant heat?
A:No. It is formulated with inorganic fillers to resist hardening, cracking, and decomposition during prolonged thermal exposure.
Q:What are the typical industrial applications for this sealant?
A:It is ideal for engines, exhaust systems, industrial ovens, boilers, heat exchangers, and high-temperature appliances.
Q:Does SR-19 offer resistance to chemicals and outdoor elements?
A:Yes, it is resistant to oils, fuels, ozone, and UV radiation, making it durable for both harsh indoor and outdoor industrial environments.
Q:What is the recommended curing procedure for high-heat performance?
A:For best results, allow it to cure at room temperature for 24 hours, then gradually condition the seal by step-wise heating before placing it into full service.
CE Certified & SGS Tested
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