What are the uses and functions of polyurethane?

1. What is the use of polyurethane

Polyurethane generally appears in the form of sealants in the fields of aviation, railways and construction. Because of its chemical stability, it ensures strong adhesion of products in the process of technology development. Therefore, in these high-tech fields, it can be used as an adhesive. Mixture is used, the effect is very good.

Secondly, it is used as a finish on the surface of wooden furniture and metal, or as a polyurethane paint on the surface of the product. There is also in the cold storage, and the surface of the building is used as an insulation layer.

Therefore, the use and function of polyurethane can be the surface coating of the product, it can be an insulation material, and it can also be an adhesive. Or sound insulation materials, rubber products, synthetic fibers or various prefabricated polyurethane panels, etc.

2. What is the role of polyurethane

From the above uses, we can basically distinguish several main uses of polyurethane,

2.1. Insulation, the insulation board outside the building layer, the insulation layer in cold storage manufacturing and household appliances such as refrigerators, as well as fresh-keeping barrels, beer transportation and cold chain transportation play a heat insulation effect.

2.2. Decoration and protection, the relevant coating on the metal surface or the surface of wooden furniture can play a protective role, and the tear resistance of polyurethane can effectively make polyurethane paint play a protective role while also being Aesthetic features.

 2.3. Sound insulation, polyurethane is used instead of other raw materials in the lightweight design of automobiles and other aviation fields, because its molecular structure is stable and the transmission of sound is limited, so it will have a good sound insulation effect. At the same time, because the rigid polyurethane is light in weight, it meets the needs of the industry's lightweight development.

Therefore, in general, the use and function of polyurethane are very obvious in various industries. The use of heat preservation or as raw materials provides the necessary material basis for the technological development of various industries, and also increases the technological development of the industry. and excellent performance characteristics.

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