LOCTITE UR 7221
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1-part polyurethane adhesive that hardens by humidity or spraying with a fine water mist. Good relationship between open time and press time.
LOCTITE® UR 7221 is a 1-part, solvent-free, moisture-cured polyurethane-based adhesive. At room temperature and the required humidity in the joint, sufficient strength will be obtained after approximately 2 to 4 h. For faster curing LOCTITE UR 7221 can be cured in a heated press. Maximum temperature must not exceed +70°C. Used in the manufacture of sandwich elements of porous substrates which contain humidity.
- Long open time
- Foaming
- IMO approval for shipbuilding (wheel mark, low flame spread)
- Solvent-free
LOCTITE UR 7221
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