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Bostik Seal N Flex Polyurethane Sealant [Grey and White]
Service temperature -40 to 75°C
Tack free time 6-12 hours
Cure rate 2mm/24 hours on porous substrates Full cure 7 days on porous substrates.
Allow 14 days in joints over 20mm wide.
Specific gravity 1.25 g/ml
Shore A hardness 30
Tensile strength > 1.3 N/mm²
Elongation at break > 900%
Total joint movement ± 50%
Maximum joint width Up to 50mm
YOUR SMART ADVANTAGES
±50% joint movement
One component, no mixing required
Available in 12 popular colours
Bostik Seal ‘N’ Flex® 1 is a low modulus, one component, Class-A polyurethane sealant. When cured it will form a tough and flexible seal capable of cyclic expansion and compression movement of 100% (±50%) of the original installed joint width. Bostik Seal ‘N’ Flex 1 can be used on
Insitu concrete and render
Precast and tilt up panels
Brickwork and block work
Plasterboard face and paper lined recessed edges
Fiber cement sheet
Granite, sandstone and marble
GRC, fiberglass and mostly specialty panel systems
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