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Soudal Silirub HT-A is a High Temperature Resistant Silicone Sealant that can withstand high temperatures of up to 285°C. Soudal Silirub HT-A is highly flexible and waterproof once cured and is mainly used for the sealing of elastic joints which require a high temperature resistance (i.e gaskets, hot water installations, pipework, ovens, furnaces and chimney flues).
Supplied in 310ml Cartridges, available in Black colour only.
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Soudal Silirub HT-A is a High Temperature Resistant Acetoxy Cure Silicone Sealant.
Soudal Silirub HT-A can withstand high temperatures up to 285°C, it's highly flexible and is weatherproof.
Soudal Silirub HT-A has primerless adhesion on many common construction materials including glass, ceramic, porcelain, metals and wood.
Soudal Silirub HT-A is resistant to UV, rain, snow, ozone and many chemicals and has high movement capability.
Permanent elastic after curing
High Modulus
High Temperature resistance up to 285°C
Excellent adhesion on metals, glass and glazed substrates
For the sealing of elastic joints which require a high temperature resistance (i.e gaskets, hot water installations, pipework, ovens, furnaces and chimney flues).
Suitable for external and internal applications.
Surfaces should be clean, dry, free of dust and grease.
Porous surfaces in water loaded applications should be primed with Soudal Primer 150. No primer needed for non-porous substrates.
Not suitable for use on concrete or PVC.
There is no adhesion on PE, PP, PTFE (Teflon®) and bituminous substrates. We recommend a preliminary compatibility test.
Application Method: With a Caulking Gun.
Cleaning: Clean with a Surface Cleaner immediately after use.
Finishing: With a soapy solution before skinning. Tool sealant with Soudaglatt Finishing Tool for a smooth finish.
Repair: With the same material
Coverage of any sealant product varies depending on Joint Width and Joint Depth.
Please refer to our Guide on How To Measure The Number of Tubes Required For the Job.
Minimum Width for Joints: 5 mm
Maximum Width for Joints: 30 mm
Minimum Depth for Joints: 5 mm
Recommendation Sealing Jobs: Joint Width = 2 x Joint Depth.
Do not use on natural stones like marble, granite etc. as it may cause staining.
Direct contact with the secondary sealing of insulating glass units (insulation) and the PVB-film of safety glass must be avoided.
When finished with a finishing solution or soapy solution, make sure that the surfaces are not touched by this solution. This will cause the sealant not to adhere to that surface. Therefore we recommend to only dip the finishing tool in this solution.
We strongly recommend not to apply the product in full sunlight as it will dry very fast.
Do not use in applications where continuous water immersion is possible
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