Sikaflex 221 (available as a pack of 12 x 300cc or 20 x 600cc cartridges) is a high quality multi-purpose non-sag 1 component polyurethane sealant that cures on exposure to atmospheric humidity to form a durable elastomer. It bonds well to a wide variety of substrates and is suitable for making permanent elastic seals of high adhesive strength.
Sikaflex 221 is a high quality multi-purpose non-sag 1 component polyurethane sealant that cures on exposure to atmospheric humidity to form a durable elastomer. Sikaflex 221 meets ASTM C920 and Federal Specifications TT-S-00230C and is manufactured in accordance with ISO 9001/14001, quality assurance system and with the responsible care program. Suitable substrates include metals, metal primers and 2 pack paint coatings, ceramic materials and plastics.
Features & Benefits
- 1 component formulation
- Low odour
- Resistant to ageing
- Can be overpainted
- Can be sanded
- Bonds well to a wide variety of substrates
- NSF approved for incidental food contact
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 include metals, metal primers and paint coatings (2 component systems), ceramic materials and plastics. Seek manufacturer’s advice before using on transparent and pigmented materials that are prone to stress cracking. This product is suitable for experienced professional users only. Test with actual substrates and conditions have to be performed to ensure adhesion and material compatibility.
For more details please download the product data sheet from the 'DATASHEETS' tab above.
It is your responsibility to read the Product Data Sheets (available below) before you place an order and prior to application of the product. The content of this website is our best recommendation and is not advice. Coverage rates quoted are approximate, you agree that coverage depends on the condition of the substrate, surface absorption, texture and application method. We ALWAYS recommend a trial area is coated to ensure the product meets your requirements before use.
|The figures stated above are approximate. Please ensure you refer to all datasheets for full application information.|
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