400ml Black Sikaflex 221 Sealant

Part no. 482291

400ml Black Sikaflex 221 Sealant
Pack qty: 12 - Available to Order
DELIVERY: 7 - 10 WORKING DAYS
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 Black
 400ml
 400ml
Combination Not available
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Description

Product details

High-quality multi-purpose non-sag 1-C polyurethane sealant
Cures on exposure to atmospheric humidity: forms a durable elastomer
Bonds well to a wide variety of substrates: metals, metal primers, paint coatings
(2-C systems), ceramic materials and plastics
Non-corrosive
Can be over-painted and sanded
Elastic
NSF-approved for incidental food contact


Application areas

Sikaflex®-221 bonds well to a wide variety of substrates and is suitable for making permanent elastic seals of high adhesive strength. Suitable substrate materials are timber, metals, metal primers and paint coatings (2-c systems), ceramic materials and plastics. Seek manufacturers advice before using on transparent and pigmented materials that are prone to stress cracking.
This product is suitable for professional experienced users only. Tests with actual substrates and conditions have to be
performed to ensure adhesion and material compatibility


Technical data

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


Download safety data sheet

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