Soudal Silirub HT is a high-performance, single-component silicone sealant engineered to withstand very high temperatures. Available in two versions – neutral cure (HT-N) and acetic cure (HT-A) – it offers reliable sealing solutions for demanding applications in heating systems, engines, and industrial environments.
Silirub HT-N (Neutral Cure)
- Permanently elastic after curing
- Neutral curing, high modulus
- High adhesion force
- Temperature resistance up to 280°C
- MEKO free
Silirub HT-A (Acetic Cure)
- Typical acetic smell
- Permanently elastic after curing
- Excellent adhesion on metals, glass, and glazed substrates
- Temperature resistance up to 285°C
Applications
- Sealing of heating installations
- Sealing in pumps and engines
- All sealing applications that require high-temperature resistance
Shelf life: 12 months in unopened packaging stored in a cool, dry place (5°C to 25°C)
Notes
- Do not use on natural stones like marble or granite (risk of staining). Use Soudal Silirub MA for this
application - Avoid contact with the secondary seal of insulating glass or the PVB-film in safety glass
- When using finishing or soapy solutions, apply only with the finishing tool – not directly to surfaces
- Do not apply finishing solution in full sunlight due to fast drying
- Not suitable for continuous water immersion
- Allow previous reactive sealants to fully cure before applying new ones
Choose Silirub HT-N for neutral cure and wide surface compatibility or Silirub HT-A for excellent bonding to metal and glass in high-temperature sealing applications.
We offer free shipping insurance, excellent trade prices and nationwide delivery. Refer to the datasheet for more information. Contact us for Pallet buy Pricing.
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