First polyurethane sealant and waterproof sealant in the concept of different, waterproof sealant is a general designation of waterproof adhesive, including polyurethane sealant. Double-group Sealing adhesive, Polysulfide sealant
Silicone sealant and other products, and polyurethane sealant refers to a specific product, so the two are conceptually different.
Second, the two in the use of different areas, waterproof sealant is generally used for wall caulking to avoid the rainy season wall seepage. Polyurethane sealant is different, polyurethane sealant is mainly used for
Sealing mechanical parts of doors and windows, because polyurethane sealant has a good ability to adapt to displacement. But there are some specifications of polyurethane sealant waterproof more generally.
Again, polyurethane sealant and waterproof adhesive in the table dry time is different. Normal temperature state under the single group of polyurethane sealant dry time is generally about half an hour, and waterproof sealant
The dry time used a little longer some generally 6 hours or so, so waterproof sealant in the operating time required longer.
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