Cafco SPRAYFILM® WB3

Cafco SPRAYFILM® WB3 is a water based intumescent coating consisting of polyvinyl acetate resins and fillers for the fire protection of structural steel. It is preferably spray applied with airless paint equipment for speed and quality of finish. Brush and roller application is also possible.

Cafco SPRAYFILM® WB3 can be sealed and protected with a decorative top coat. Cafco SPRAYFILM® WB3 is applied directly to the contour of primed I and H section columns, angles, channels and beams and both square and circular hollow sections, to provide fire protection for up to FRL 120/-/- in accordance with AS1530.4: 2014 & AS4100. In a fire, a chemical reaction takes place causing the Cafco SPRAYFILM® WB3 to expand and form an insulating layer which slows the temperature of the steel rising to a critical level.

Cafco SPRAYFILM® WB3 - APAC Packaging
Cafco SPRAYFILM® WB3 - APAC Packaging

Further Information

Applications:

Benefits:

  • Low VOC for Green Star Buildings
  • Single application for lower FRL's
  • Water based for easy cleanup
  • On or off site application
  • Can be applied over many different types of primer
Approx. Curing Time ( µm after 8 hours 20°C, 50% humidity): 7 d
Density (kg/m³ ± 0.05kg/l): 1.36 g/cm³
Approx. Drying Time (hour at 20°C and 50% RH for 1 mm WFT): 6 h
Application Temperature Min (°C): 5 °C
Application Temperature Max (°C): 38 °C
Solids Content (%): 71 %
Viscosity (Pa.s at 20°C): 42000 cps
Colour: White
Shelf Life (months): 10 months
Storage Conditions: Storage Temperature 10ºC : 38ºC. Must protect from freezing and excessive heat. Store in a dry environment.
Storage Temperature Min (°C): 5 °C
Storage Temperature Max (°C): 40 °C

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