FS703 Fire Resistant Silicone Sealant
Verified by manufacturer over a year ago
Neutral cure, fire rated silicone.
Application
Joints in compartment walls and floors, gaps between frames and structures at junctions of different materials.
- Suitable substrates:
- Masonry to masonry.
- Masonry to timber.
- Masonry to steel.
Description
Single-part alkoxy-based fire resistant, elastomeric, neutral cure silicone sealant, providing up to four hours fire protection at internal and external building gaps and movement joints.
Features and benefits:
- CE marked.
- Tested in accordance with BS EN 1366-4 and ETAG 026. Classified to BS EN 13501-2.
- Fully tested for up to 240 minutes' joint fire resistance.
- Suitable for gaps up to 50 mm wide.
- Assumed working life of ten years (to ETAG 026).
- Certified 3rd party accreditation.
- Air pressure tested up to 600 Pa.
- Seal ratio at 2:1.
- Neutral cure silicone sealant.
General information
Color | Grey White Black |
Material | Silicone |
Uniclass | |
CAWS | P12/390 Sealant P12/47 Sealant |
Product range |
Specification data - Silicone construction joint sealants
Material | Neutral silicone. |
Colour | Grey.White.Black.Guidance for specification option: Available on request. |
Fire performance | Up to four hours.Guidance for specification option: Fire resistance (to BS EN 1366-4). |
Product Reference | Nullifire FS703 Fire Resistant Silicone Sealant |
Air permeability | Air tight up to 600 Pa. Guidance for specification option: (to BS EN 1046). |
Working time | Ten years. Guidance for specification option: Assumed working life (to ETAG 026). |
Specific gravity | 1.39. |
Shore A hardness | 23. Guidance for specification option: (to ISO 868). |
Drying time | 30–40 minutes. Guidance for specification option: Touch dry (at 23°C, 50% RH). |
Cure time | 1–2 mm/ day. Guidance for specification option: Cure through time (at 23°C, 50% RH): 1–2 mm/ day. |
TensileStrength | 0.7 MPa. Guidance for specification option: (to ISO 8339). |
Viscosity | Thixotropic. |
Service temperature range | -40 to +150°C. |