Arbosil HM – One-Part Acetoxy Cure Silicone Sealant
Arbosil HM is a one-part acetoxy cure silicone sealant that cures rapidly on exposure to moisture vapour, forming a resilient elastic silicone rubber. Part of the ARBOSEAL Pro® range of professional sealing solutions, the product contains a fungicide to resist mould and mildew growth and bonds well to acrylic, ceramic, glass and laminate surfaces. Ideal for sealing around sanitary fittings in domestic and commercial environments, Arbosil HM maintains excellent elasticity and colour stability throughout its 25+ year service life.
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Specify Arbosil HM
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Unique properties of Arbosil HM
Arbosil HM combines rapid cure, long-term flexibility, and mould resistance in a single, versatile sealant.
Rapid acetoxy cure — fast skin time for minimal disruption during installation
Contains fungicide — inhibits mould and mildew growth in high-humidity areas
Suitable for a wide range of substrates — laminates, worktops, ceramics, glass, and more
Internal and external application — versatile performance in both environments
Available in multiple colors to match various applications.
25+ year service life — long-term durability confirmed to BS EN ISO 11600 F/G 20LM
Technical Specifications & Downloads
| Description/Standard | Performance | |
|---|---|---|
| Colour | White, Black, Translucent, Aluminium, Jasmine, Manhattan | |
| Skin Time (at 20°C / 65% RH) | 10–20 minutes | |
| Application Temperature | +5°C to +50°C | |
| Service Temperature | −50°C to +150°C | |
| Cure Rate (at 20°C / 65% RH) | 2 mm / 24 hours | |
| Chemical Resistance | Resistant to most alkalis and dilute acids. Organic solvents may cause swelling and loss of adhesion | |
| UV Resistance | Very Good | |
| Service Life | 25 years | |
| Movement Accommodation – Butt Joints | 25% | |
| Movement Accommodation – Lap Joint | 50% | |
| Specification Compliance BS EN ISO 11600 F/G 20LM | BS EN ISO 11600 F/G 20LM | |
| Packaging | 25 × 310 ml polyethylene cartridges per box |
Associated Products
Frequently Asked Questions
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Find your contacts
Regardless of whether you are an architect and planner, property developer, industry specialist, distributor, applicator or specifier – if you have any questions about our products, services or specific construction projects, please feel free to contact the CARLISLE® contact person in your area with your technical questions. Our experts will be happy to advise you.
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