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Worsten Klein

Fernoseal®

Neutral silicone with a fire resistance of 5 hours. Complies in horizontal and vertical joints up to joint widths of 50mm and joint depths of 25mm, according to EN1366 part 4, NEN6069 and BS476.
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Applications

  • For fire resistant joint sealing and gap seals
  • In fire doors and partition walls of corridors, tunnels, stairwells and escape routes.

Specifications

  • EN15651-1, F-Ext-Int CC: CE Marking
  • EN13501-2, ETA 13/1059: Fire resistance
  • EN1314-1, ETA 13/1059: Air permeability
  • EN1366-4: Fire resistance tests for service installations; Linear joint seals
  • NEN6069: Fire resistance of windows and doors
  • BS476 Part 20: Methods for determination of fire resistance of non-loadbearing elements of construction

Characteristics

  • High grade neutral silicone sealant
  • Provides up to 5 hours fire resistance at 1150oC.
  • Stops fire and smoke
  • In case of fire, no falling burning drops will occur
  • No shrinkage during fire
  • Permanently elastic
  • Free from acid, neutral reaction system
  • Non-corrosive on metals

Technical specifications at 23°C and 50% RH

Processing temperature: 5°C to +40°C
Temperature resistance: -40°C to +140°C
Skin formation: 20 min.
Curing / 24 hours: 1-2 mm.
Flow (ISO 7390): zero
Shrinkage (ISO 52451): < 6%
Hardness Shore-A (DIN53505): 25-30°
Elongation at break: 180%
Movement capability: 25%

Application
Cut the nozzle to the width of the joint. Extrude sealant with standard caulking gun. Prior to skin formation finish the surface using a spatula or joint nail and Bloem Joint Smoothing Fluid. Tools and stains can be cleaned with Bloem Multicleaner. Cured sealant can only be removed mechanically.

Packaging
400 ml sausages. Other packaging upon request.

Colours
White, grey and black. Other colours upon request.

Storage and shelf life
Store in a cool and dry room (between 5°C and 25°C), unopened packages can be stored at least 12 months.

 

 

 

Downloads

Safety datasheet
Technical datasheet

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