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Bostik Seal N Flex FC is a high performance fast cure one component polyurethane sealant. When cured it will form a tough, flexible seal and bond capable of cyclic, expansion and compression movement. Joints or fabrications formed with this se alant can be expected to extend and compress a total of 50% (± 25%) of original joint dimensions to ASTM C719.
Bostik Seal N Flex FC is virtually unaffected by normal weathering conditions such as rain, sunlight, snow, sleet, ultra -violet radiation, ozon e, atmospheric contamination and pollution. Its excellent weather ability enables it to retain its original properties after years of exposure. Its physical properties remain relatively unchanged over a wide temperature range ( - 40ºC to 70ºC).
Features:
- Fast tack free time and cure rate
- High bond strength
- A medium/high modulus product, which forms a resilient and permanently elastic seal
- Excellent adhesion to most materials including metals, concrete, brick, wood, plasterboard, GR C & CFC
- Paintable (refer paintability section)
- Non-slumping
- Resistant to fungal attack to AS1157.2
- Potable water approval to AS4020
- Excellent resistance against hydrolysis, ageing and a wide range of chemicals
- One component, no mixing required
- High movemen t accommodation (± 25%) ASTMC719
- Australian Made
Recommended uses:
- For sealing floor joints
- Granite, sandstone and marble pointing
- GRC, Fibreglass & most specialty panel systems
- Trafficable – Plats, stairs, roads, runways, aprons and pavements
- Vertical -Precast, Block work, plasterboard and most common building substrates
- Pick resistant - Prisons, cells, schools and public amenities
- Chemical resistant - Service stations, hangers, aprons and bu nded areas
- Potable water tanks
- Sealing gaps and adhering most façade and cladding panels to various building materials
- Sealing construction and expansion joints
- Perimeter sealing of door and window framing
- For new construction and remedial applications
- Adhesive for wide range of building and construction applications
- For sealing of concrete joints in airport runways
Specifications:
- Colour: Select from drop down menu
- Appearance: Non-sag, smooth thixotropic paste
- Cure system: Moisture curing
- Tack free time: 45 minutes
- Rate of cute: 3.5mm/24hr
- Hardness shore A: 50
- Temerature resistance: -40°C to 70°C
- Application temerature: 5°C to 35°C
- Storage temerature: 5°C to 30°C
- Service chemical resistance: Resistant to dilute acids, alkalis and some solvents. Intermittent contact with diesel and petroleum
- Elongation at break: >450%
- Full cute: 7 days
- Tensile strength: 2.5 - 3.0N/mm²
- Flammability: Non flammable
- Potable water approval: AS4020
- Paintable approx: 24hrs after application
- Joint movement ASTM C719: ±25%
- Acoustic properties: Excellent
- Shelf life: 2 years in original unopened sausage