DESCRIPTION
Sikaflex-221 is a high quality multipurpose non-sag 1-C polyurethane sealants that cures on exposure to atmospheric humidity to form a durable elastomer. Sikaflex-221 bonds well to a wide variety of substrates and is suitable for making permanent elastic seals of high adhesive strength. Suitable substrate material are timber, metals, metal primers and paint coating (2-C systems), ceramic material and plastics.
PRODUCT BENEFITS
- 1-C formulations
- Elastic
- Low odour
- Resistant to ageing and weathering exposure
- Non-corrosive
- Can be over-painted
- Can be sanded
- Bonds well to a wide variety of substrates