Polyurethane paints are one of the most common types of paints currently used. Polyurethane paints are generally classified as two-component polyurethane paints and one-component polyurethane paints.

Two-component polyurethane paints consist mainly of isocyanate prepolymers, also called low molecular urethane polymers. According to the different hydroxyl components can be divided into alkyd polyurethane, acrylic polyurethane, polyether polyurethane, polyester polyurethane and epoxy polyurethane and other varieties. Generally have good mechanical properties, high solids content, all aspects of performance are better. There are many kinds of two-component polyurethane paints, and the application is also very extensive. The main application directions include wood coatings, automotive repair coatings, floor coatings, special coatings, and electronic coatings. The disadvantages are complex processes and high requirements on the construction environment.

One-component polyurethane paints are classified as moisture curing polyurethane coatings, urethane oil coatings, closed polyurethane coatings, and the like. The application is not as wide as the two-component polyurethane paint, mainly used for anti-corrosion coatings, floor coatings, precoiled coatings, etc. The overall performance is not as good as two-component polyurethane paint.

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