Is High Temperature Sealant 310ml PYROSEALANT safe for use on engines exposed to temperatures above 287°C during short bursts?

Yes — High Temperature Sealant 310ml PYROSEALANT is safe for use on engines exposed to temperatures above 287°C during short bursts. The product is engineered to operate continuously between −59°C and +287°C and to tolerate short-term temperature spikes up to +538°C. That means for brief, intermittent exposures above 287°C (such as short bursts common in some engine conditions), the sealant will maintain integrity and perform as intended. Caveats and best practices: - Short bursts only: sustained exposure above +287°C may exceed design limits and shorten service life. - Allow full cure (~18 hours) before subjecting to extreme heat for optimal performance. - Apply in well-ventilated areas and avoid direct contact with gasoline or diesel. - Follow standard application procedures and safety precautions for high-temperature silicones. When these guidelines are followed, High Temperature Sealant 310ml PYROSEALANT is suitable for engine areas that experience brief temperature peaks above 287°C.

Can High Temperature Sealant 310ml PYROSEALANT be used on exhaust components that experience frequent thermal cycling up to peak temperatures of +538°C?

Yes — High Temperature Sealant 310ml PYROSEALANT can be used on exhaust components that undergo frequent thermal cycling up to peak temperatures of +538°C, with some practical caveats. Why it’s suitable: - The formulation (amorphous silica, polydimethylsiloxane silicone, iron oxide and catalyst) is explicitly engineered for extreme thermal resistance. - Rated operating range is −59°C to +287°C for continuous service and it can withstand short-term peak temperatures up to +538°C, matching the specified exhaust peaks. - Cures quickly to a non-sticky state (10–15 min) and reaches full strength ~18 hours, providing a durable, flexible seal that tolerates thermal expansion and contraction. Practical considerations: - “Short-term peaks” means repeated rapid spikes to +538°C are acceptable within limits, but continuous exposure at that peak is beyond the continuous rating. - For joints exposed to very frequent, rapid, or sustained peaks at or near +538°C, monitor for accelerated wear and consider high-temperature exhaust-specific gasket materials or metal-based solutions for maximum longevity. - Apply in well-ventilated areas and avoid direct contact with gasoline or diesel. Conclusion: Suitable for most exhaust applications with frequent thermal cycling if peak exposures are brief. For continuous peak-level exposure or extreme-duty systems, evaluate metal gaskets or specialized high-temp exhaust sealants as alternatives.

High Temperature Sealant 310ml PYROSEALANT

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Additional information

Maximum operating temperature [°C]	287

This high-performance, thermally resistant sealant is designed for demanding applications where durability and reliability are essential. Supplied in convenient 310 ml cartridges for use with a standard caulking gun, it comes as a semi-liquid paste that quickly cures to a non-sticky state within 10 to 15 minutes and achieves full strength in approximately 18 hours. Formulated from a specialized blend of amorphous silica, polydimethylsiloxane silicone, iron oxide, and a catalyst, it offers outstanding resistance to extreme conditions. Engineered to perform in a wide temperature range from -59°C to +287°C, withstanding short-term peaks up to +538°C, it ensures long-lasting sealing even in environments exposed to intense heat or cold. Ideal for industrial, automotive, and household applications, it provides a secure and flexible bond that maintains integrity under thermal stress. For optimal results, it should be applied in well-ventilated areas and kept away from direct contact with gasoline or diesel fuel. This advanced formulation delivers professional-grade sealing performance, making it a trusted solution for both maintenance and new installations.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Price	Quantity	Actions	Catalogue
FQ-PS-310	PYRO-SEALANT 310 ml	-	-	In stock	0 €		Enquiry

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This high-performance, thermally resistant sealant is designed for demanding applications where durability and reliability are essential. Supplied in convenient 310 ml cartridges for use with a standard caulking gun, it comes as a semi-liquid paste that quickly cures to a non-sticky state within 10 to 15 minutes and achieves full strength in approximately 18 hours. Formulated from a specialized blend of amorphous silica, polydimethylsiloxane silicone, iron oxide, and a catalyst, it offers outstanding resistance to extreme conditions. Engineered to perform in a wide temperature range from -59°C to +287°C, withstanding short-term peaks up to +538°C, it ensures long-lasting sealing even in environments exposed to intense heat or cold. Ideal for industrial, automotive, and household applications, it provides a secure and flexible bond that maintains integrity under thermal stress. For optimal results, it should be applied in well-ventilated areas and kept away from direct contact with gasoline or diesel fuel. This advanced formulation delivers professional-grade sealing performance, making it a trusted solution for both maintenance and new installations.