There are many types of solvent-based wood coatings, commonly used are polyurethane paint, nitrocellulose paint, alkyd paint, and phenolic paint. Polyurethane paint is called 'PU polyester paint' in the market. The film is hard and wear resistant, strong adhesion, and good heat resistance. It is the largest variety in the current interior decoration and furniture painting; the construction of nitrocellulose paint is simple, Fast drying, easy repair, mainly used in the furniture factory furniture surface coating; alkyd paint is not suitable for high decorative occasions. At present, the most commonly used in home decoration is polyurethane resin paint.
Jumeiyin Dulux ( Western Chemicals )
The following points should be noted when purchasing solvent-based wood coatings:
1. Choose a good after-sales service home market and paint store purchase, preferred domestic market sales of larger brands.
2. The iron drums of the packaged paint should be intact and there should be no leakage phenomenon. In addition, the other signs on the iron drums, that is, the product name, specification model, batch number, standard number, weight, factory name, site, and production date should be complete. The nominal weight corresponds to the actual weight.
3. The purchased solvent-based wood coatings should be used within the warranty period. Generally, the shelf life is one year. When opening the lid, it should be free of crusts and be in a uniform state after mixing.
4. Many types of polyurethane paint, according to the type of packaging, can be divided into single cans of polyurethane paint, double cans of polyurethane paint, three cans of polyurethane paint. Home decoration is usually selected three cans of polyurethane paint (ie, a can of the main paint, a can of curing agent, a can of thinner).
5. Polyurethane paint has high gloss, light, matt, semi-gloss. At present, the more popular is matt and semi-gloss paint. Consumers can choose according to the family's decorative effect and their own preferences.
6. When choosing an alkyd blend paint, try to select a blended paint produced from alkyd resin as raw material, and reduce the use of low-grade blended paint produced from polyester alkyd resin as a raw material because the blended paint has poor weatherability. Yellowish yellow, shedding.
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Heat deflection temperature (HDT) and Vicat softening temperature testing is critical to determining the quality and performance of polymers.
HDT and Vicat temperatures are critical properties for measuring the quality and performance of high-performance polymers:
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- The Vicat apparatus test measures the softening temperature of a material.
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