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. Contact Spaceseal Adhesives via WhatsApp for pricing, pack sizes and bulk availability in Kenya.
Technical Specifications
| Chemical Base | Alkoxy-Neutral |
| Density | 1.22 g/cm³ |
| Tensile Strength | 1.0 N/mm² |
| Shore A Hardness | 25–30 |
| Thermal Resistance | -40°C to +180°C |
| Skin-over Time | 5–12 minutes |
| Ultimate Elongation | 300–350% |
| Pack Size | 300 ml cartridge / 600 ml sausage |
* All specifications are indicative. Refer to the official Technical Data Sheet (TDS) for full details. Request the current product TDS from our team before specifying or using a product.
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