Description
221 is single-component low modulus moisture curing flexible high performance polyurethane based sealant. 221 is manufactured under strict quality control by coments who has acquired the certificate of ISO 9001/14001.
221 can be used :
1.Elastic sealing of joints and welds permanently in assembling and rapairing the body shells of the automobiles and trains.
2.Elastic sealing of joints and welds in assembling and repairing containers, ships and refrigerator pipes;
3.Permanent elastic sealing of expanding joints in bridges, high ways and airports.
Advantages:
1.Single component, ease of installation.
2.Non-tack, non-sag;
3.Slight or no volatile, environmental friendly;
4.Bonds well to wide variety of substrates(metals, paints, pottery and porcelain, etc);
5.Excellent resistance to aging;
6.High adhesive performance and excellent sealant performance;
7.Non-corrosion;
8.Proved safe to contact foods.
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