Sikaflex® 127

Multipurpose sealant and adhesive based on hybrid polyurethane

Sikaflex®-127 is a single component, elastic, moisture curing, hybrid polyurethane based construction sealant and adhesive. Its good adhesion to most construction materials and good weathering resistance makes it especially suitable for a variety of interior and exterior sealing applications.

  • Single component, ready to use
  • Good ageing resistance
  • Good weathering resistance

Usage

As a sealant for:

  • Connection joints
  • Window and door frames
  • Precast concrete elements
  • Applications requiring over-painting of sealant
  • Facades
  • Interior and exterior use

 An adhesive to bond most construction components and materials such as:

  • Concrete
  • Masonry
  • Most stones
  • Ceramic
  • Wood
  • Metals 
  • Glass
  • Plastic
  • PVC
  • Aluminium Composite Panels

Advantages

  • Single component, ready to use
  • Good ageing resistance
  • Good weathering resistance
  • Bonds well to a wide variety of substrates without the need for special pre-treatment
  • Easy to apply
  • Suitable for gluing gutters, drip trays, flashings, and connection joints
  • Moisture cured
  • Fast skinning
  • Isocyanate and solvent free
  • Can be overpainted
  • Low odour

Packaging

600 ml foil pack, 20 foil packs per box

300 ml cartridge, 12 cartridges per box

Colour

concrete grey, white, black

Product Information

Chemical base

hybrid polyurethane based on silane terminated polymer

Shelf life

12 months from the date of production

Storage conditions

The product must be stored in original, unopened and undamaged sealed packaging in dry conditions at temperatures between +10 °C and +25 °C. Protect from direct sunlight.

Density

~1.65 kg/L

APPLICATION

IMPORTANT

Sikaflex®-127 can be applied between +5 °C and +40 °C but changes in reactivity and application properties must be considered. The optimum temperature for substrate and sealant is between +15 °C and +25 °C.

Technical Information

Shore A hardness

 ~35 (after 28 days)

(ISO 868)

Tensile strength

~1.0 N/mm2

(ISO 37)

Elongation at break

 ~350 %

(ISO 37)

Tear propagation resistance

 ~8.0 N/mm

(ISO 34)

Service temperature

-50 °C min. / +90 °C max.

Chemical resistance

Sikaflex®-127 is resistant to fresh water, seawater, diluted acids and diluted caustic solutions; temporarily resistant to fuels, mineral oils, vegetable and animal fats and oils; not resistant to organic acids, glycolic alcohol, concentrated mineral acids, caustic solutions or solvents.

Sikaflex®-127

Technical Data Sheet (TDS)

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