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BLACK SIKAFLEX 221 ADHESIVE SEALANT SIKA

SKU Sika-221-Black Category Tags , , , ,

£10.50 Inc Vat

In stock

Description
Sikaflex-221 multi-purpose Black polyurethane adhesive/sealant is suitable for application on metals, metal primers and paint coatings (2-C systems), ceramic materials and plastics.
The one-component sealant cures on exposure to atmospheric humidity and is suitable for making permanent elastic seals of high adhesive strength.
  • Bonds well to a wide variety of substrates
  • Resistant to ageing
  • Can be painted
  • Can be sanded
  • Non-corrosive
  • Low odour
  • NSF-approved for incidental food contact
Please Note: Sikaflex-221 is suitable for professional users only. The user should seek manufacturer’s advice and perform tests on original substrates before using this product on materials prone to stress cracking.
Can be painted with water, oil, and rubber based coatings. Odourless, non-staining, non-corrosive, and non-shrinking. Excellent on aluminium, GRP, steel, wood, and pre-painted metals.
SPECIFICATIONS
  • Brand: Sikaflex
  • Tube size: 300ml / 410g
  • Colour: Black
  • Chemical base: 1-component polyurethane
  • Cure mechanism: Moisture-curing
  • Density (uncured) depending on colour: 1.3 kg/l
  • Non-sag properties: Good
  • Application temperature ambient: 5 ─ 40 °C
  • Skin time (CQP019-1): 60 minutes A
  • Open time (CQP526-1): 45 minutes A
  • Curing speed (CQP049-1): (see diagram)
  • Shrinkage (CQP014-1): 5 %
  • Shore A hardness (CQP023-1 / ISO 7619-1): 40
  • Tensile strength (CQP036-1 / ISO 527): 1.8 MPa
  • Elongation at break (CQP036-1 / ISO 527): 500 %
  • Tear propagation resistance (CQP045-1 / ISO 34): 7 N/mm

Service temperature (CQP513-1)

  • -50 ─ 90 °C
  • 24 hours: 120 °C
  • 1 hour: 140 °C

CQP = Corporate Quality Procedure 

  • A) 23 °C / 50 % r.h. 
  • B) storage below 25 °C
SAFETY DOWNLOAD SHEET

Sikaflex 221 Safety Data Sheet

Sikaflex 221 Product Data Sheet

Additional Information

Additional information

Weight 1 kg
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Additional information

Weight 1 kg

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