Description Arbosil HM Silicone Sealant 310ml – High Modulus Sanitary Sealant Arbosil HM sealant is a high modulus silicone sealant designed for sanitary, kitchen and bathroom sealing. This ARBO HM silicone is widely used for sealing baths, sinks, showers, laminates and worktops, it delivers a clean, professional finish and is suitable for interior or exterior use, even in areas of high humidity. Why Choose Arbosil HM Sealant Rapid Cure – Fast skinning and curing time for efficient application Mould & Mildew Protection – Contains a fungicide to help prevent staining and deterioration Versatile – Bonds to a wide range of common construction substrates Durable – Exceptional UV resistance and a service life of 25 years Extensive Colour Range – White, Black, Translucent, Aluminium, Jasmine, and Manhattan for seamless colour matching Typical Applications Sealing around sanitary fittings (baths, showers, basins, urinals) Edges of laminates and worktops in kitchens or utility areas General sealing in high-humidity areas such as bathrooms, wet rooms, and changing facilities Suitable for both internal and external joints Technical Overview Material: Silicone Skin Time (20 °C / 65% RH): 10–20 min Cure Rate: ~2 mm / 24 hrs Service Temperature: –50 °C to 150 °C Movement Accommodation: 25% (butt), 50% (lap) Chemical Resistance: Resists most alkalis and dilute acids UV Resistance: Very good Service Life: 25 years Note: Not recommended for overpainting, direct use on most metals, or against natural stone. For these applications, consult ARBO Technical Services. Find out more with our Arbo Sealants Guide here
