Structural GlazingFacadeNeutral CureAluminum

Somafix Glass Seal Silicone S391

S391 is a professional-grade neutral silicone that provides excellent primerless adhesion to aluminum, iron, and concrete. Unlike acetoxy silicones, it is non-corrosive and unpaintable, ensuring long-term optical clarity for glass systems and building facades. It features high UV stability and zero shrinkage.

Applications

  • Glass curtain wall systems
  • Aluminum and iron facade insulation
  • Bonding polyester and PVC surfaces
  • High-performance building isolation
Distribution enquiries welcome. Somafix Kenya is the authorised regional distributor. Contact us via WhatsApp for pricing, pack sizes, and bulk availability.

Technical Specifications

Chemical BaseAlkoxy-Neutral
Density1.22 g/cm³
Tensile Strength1.0 N/mm²
Shore A Hardness25–30
Thermal Resistance-40°C to +180°C
Skin-over Time5–12 minutes
Ultimate Elongation300–350%
Pack Size300 ml cartridge / 600 ml sausage

* All specifications are indicative. Refer to the official Technical Data Sheet (TDS) for full details. Download via the catalogue link above.