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SIKAFLEX 221 GREY IN 300 ML CARTRIDGE

(Code: 47-10004-01)

Data Sheet
7.15 €
Not available. Standard delay: 4 days.
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SIKAFLEX 221 GREY IN 300 ML CARTRIDGE

SIKAFLEX 221 GREY - CARTRIDGE 300 ML



SIKAFLEX 221 is a high-quality multi-purpose non-sag 1-C polyurethane sealant that cures on exposure to atmospheric humidity to form a durable elastomer.



Characteristics
  • 1-C formulation
  • Elastic
  • Low odour
  • Resistant to ageing
  • Non-corrosive
  • Can be overpainted
  • Can be sanded
  • Bonds well to a wide variety of substrates
  • NSF-approved for incidental food contact


Application
  • Bonds well to a wide variety of substrates and is suitable for making permanent elastic seals of high adhesive strength
  • Suitable substrate materials are metals, metal primers and paint coatings (2-C systems), ceramic materials and plastics


Technical characteristics
  • Chemical base : 1-C polyurethane
  • Colour (CQP 001-1) : Grey
  • Cure mechanism : Moisture-curing
  • Density (uncured) (CQP 006-4) : 1.3 kg/l approx. depending on colour
  • Non-sag properties : Good
  • Application temperature : +5C to +40C (+40F to +105F)
  • Tack free time at 23C / 50% r.h. (CQP 019-1) : 60 min. approx.
  • Open time at 23C / 50% r.h. (CQP 526-1) : 45 min. approx.
  • Shrinkage (CQP 014-1) : 5% approx.
  • Shore A-hardness (CQP 023-1 / ISO 868) : 40 approx.
  • Tensile strength (CQP 036-1 / ISO 37) : 1.8 MPa approx.
  • Elongation at break (CQP 036-1 / ISO 37) : 500% approx.
  • Tear propagation resistance (CQP 045-1/ ISO 34) : 7 N/mm approx.
  • Glass transition temperature (CQP 509 -1/ ISO 4663) : -45C (-50F) approx.
  • Thermal resistance (CQP 513-1) : 90C (195F)
            Short term
            1 day : 120C (250F)
            1 hour : 140C (285F)
  • Service temperature : -40C to +90C (-40F to -195F)