Intumescent Mastic Mercor Tecsel® (External use)

Key features:

  • Excellent chemical resistance.
  • Perfect resistance to a different weather conditions (for external application).
  • Ready for use.
  • Quick to apply.
  • Excellent fire resistance.
  • Completely safe and harmless for health.

Application:

  • Windows.
  • Doors frame.
  • Small gaps and hollows.

Packaging: PVC tube 310 ml

Technical specification:

  • Composition and basic material: silicone.
  • Fire resistance: El 120 – El 180 – El 240.
  • Colors: white (RAL 9016) and grey (RAL 7042), other colors are upon request.
  • Chemical resistance: water, soapsuds, salt water, diluted inorganic acids and alkali, mineral oil and greases, oil fuels.

Nonsolidified product:

  • Characteristic: homogeneous adhesive cream.
  • Creation of layer (BS 5889 AP.P): 35 minutes.
  • Drying up 23°C / 55% RH: 2 mm/day
  • Loss of volume (DIN 52451): 5%
  • Should be applied if ambient temperature is from +5 up to +50 °C 

Solidified product (4 weeks 23 °C and 55% R.H.):

  • Characteristic: elastic.
  • Shore hardness A (DIN 53505): 22
  • Elasticity (ISO 7389): 90%
  • Elasticity 100%: (DIN 53504): O.36 MPa, (NF P 85501): 0.34 MPa
  • Elongation: (DIN 53504): 1,1 MPa, (NF P 85507): 0,60 MPa
  • Expansion in specified time: (DIN 53504): 600%, (NF P 85507): 300%
  • Joint movement capability of 25%
  • Heat resistance from -50°C to  +150°C

Mastic Tecsel Intumescent is tested in accordance with the Europe standards UNE EN1366-4, UNE EN 1366-3 and UNE EN 1363-1

It is tested in joints with high movement capabilities in accordance with protocol RWS and resisted to fire exposure within 3 hours.

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