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FF197 is a modified, single component, fire rated polyurethane foam.

FF197 is used to seal linear gaps throughout the fire rated areas of a building.
It is perfect for sealing gaps found around fire rated doors, and can be easily applied with a straw nozzle or professional foam gun.

  • Certified to the latest British and European standards
    EN 1366-4, DIN 4102 Pt 1 (B1) and EN 13501: Pt 2
  • Cures to form a semi-rigid foam that is able to accommodate some degree of movement of the joint
  • Acts as an effective fire seal for up to 4 hours (BS EN 1366-4) when used with FS701 intumescent acrylic or FS703 silicone sealant
  • When used in a linear seal for gaps up to 20 mm wide between timber door frames and supporting walls, it can provide 30 and 60 minutes fire resistance in accordance with BS EN 13664:2006 + A1:2010

Technical data

PropertyTest MethodResult
CompositionPolyurethane foam
Fire Performance*In accordance with BS EN 1366-4 EN 13501: Pt 2: 2007Up to 4 hours
ClassificationDIN4102: Part 1B1
Canister Temperature Limits+10°C to +30°C
Ambient Temperature Limits+5°C to +35°C
DensityLAB014 - 3 cm in width at 23°C and 50% RH20-30 kg/m3
Tack Free TimeLAB014 - 3 cm in width at 23°C and 50% RH10 minutes
Cutting TimeLAB015 - 3 cm in width at 23°C and 50% RH60 minutes
Loading Time24 hours
Tear StrengthDIN 5345581 kPa
Shear StrengthDIN 5342257 kPa
Thermal ConductivityEN 1266736 mW/m.K
Temperature ResistanceShort Term: -40°C to +130°C Long Term: -40°C to +90°C

www.nullifire.com/en_GB/thehourdefender/

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