Silirub S 280ml
Silirub S 280ml is a high-quality, elastic, one-component, silicone-based professional sealant.
- Very easy to apply and colorfast.
- Resistant to UV rays.
- Provides permanent elasticity after curing.
- Has a typical acetic odor.
- Provides good adhesion to non-porous surfaces.
- Can be applied in all seasons.

Key Advantages
Application Areas
Easy Application
Very easy to apply. It is colorfast and provides long-lasting results thanks to its resistance to UV rays.
Permanent Elasticity
Provides permanent elasticity after curing. Reduces the risk of cracking in joint and filling applications.
Non-Porous Surfaces
Provides good adhesion to non-porous surfaces. Offers reliable performance on glass, ceramic and similar surfaces.
All-Season Use
Can be applied in all seasons. Provides stable results under different environmental conditions.
Door and Window Gaps
Used for insulation and filling purposes in door and window gaps. Effective in details where sealing is required.
Bathroom and Kitchen Applications
Used as a professional sealant in bathroom and kitchen applications and sanitary installation works.
Technical Specifications
| Property | Value |
|---|---|
| Base | Polysiloxane® |
| Skin formation (*) | Approx. 7 min (20°C / 65% RH) |
| Curing speed (*) | 2 mm / 24h (20°C / 65% RH) |
| Shore A hardness | 20 ± 5 |
| Density | Approx. 1.00 g/ml (Transparent and white) Approx. 1.20 g/ml (Colors) |
| Temperature resistance (fully cured) | -60°C to +150°C |
| Maximum movement capability | 25% |
| Elasticity modulus (100%) | 0.40 N/mm² (DIN 53504) |
| Tensile strength | 1.50 N/mm² (DIN 53504) |
| Elongation at break | 800% (DIN 53504) |
| Surface Application Temperature | +5°C → +35°C |
| Packaging Information | 280 ml Cartridge / 30 Units per Box |
| Colors | Transparent, White, Grey, Black, Brown, Aluminium Silver, Beige, Golden Oak, Bronze, Anthracite Grey |
Application Tips
Application Area
Silirub S 280ml is used for insulation and filling purposes in door and window gaps, as well as in bathroom and kitchen applications and sanitary installation works.
Performance Advantage
It is easy to apply, resistant to UV rays and provides permanent elasticity after curing. It ensures long-term performance without color fading.
Surface Compatibility
Provides good adhesion to non-porous surfaces. With different color options, it delivers aesthetic results on various surfaces and details.
Storage and Application
Can be applied in all seasons. For best results, the product should be applied between +5°C and +35°C and stored unopened in a cool and dry environment.
















