Polyurethane feels as soft as leather. Polyurethane is a newly developed high-grade leather in synthetic leather and belongs to a new leather material. Because of its advantages of wear resistance, cold resistance, air permeability, aging resistance, soft texture, environmental protection and beauty, it has become the best choice to replace natural leather.
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Distinguish between good and bad polyurethanes:
1. Look at the lines. Compared with different lines of the same kind, polyurethane will find that the lines of high-quality polyurethane are clearer and the surface layer has a strong leather feeling, while the inferior polyurethane is not only rough but also plastic.
2, feel, high-quality polyurethane has a good feel, elasticity, resilience and comfort are quite high.
3. Look at these creases. Fold the same polyurethane in half and compare the thickness of the middle crease. See if the crease can disappear quickly when it is restored. The smaller the crease, the faster it disappears, indicating that the surface PU in polyurethane has better adhesion with the underlying base fabric, which is an important symbol of high-quality polyurethane.
4. Look at the scratches. Scrape the polyurethane surface with a hard object to see if it will leave scratches. Generally speaking, high-quality polyurethane surfaces are very scratch-resistant.
5, hydrolysis resistance, high-quality polyurethane is very resistant to hydrolysis, the life of superfine fiber is more than 5 years, of course, this is difficult to distinguish with the naked eye, but you must ask clearly when buying.
6. The base fabric is a key component of polyurethane, which is related to the overall performance of polyurethane. Good base fabric determines the more stable performance of polyurethane.
Baidu encyclopedia-polyurethane