Sika Sikaflex 221 is a high-quality multi-purpose non-sag, polyurethane sealant that cures on exposure to atmospheric humidity to form a durable elastomer.
PRODUCT BENEFITS
- 1-C formulation
- Elastic
- Low odour
- Resistant to ageing
- Non-corrosive
- Can be painted
- NSF-approved for incidental food contact.
CHEMICAL RESISTANCE
It is temporarily resistant to fuels, mineral oils, vegetable and animal fats and oils. However, it is not immune to organic acids, alcohol, concentrated mineral acids and caustic solutions or solvents. Furthermore, any advice on specific applicati
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