Common problems and solutions of polyurethane elastomers

Common problems and solutions of polyurethane elastomers

Polyurethane elastomer is a high-performance elastomer with the characteristics of abrasion resistance, cutting resistance, tear resistance, high load-bearing capacity, transparent or translucent, ozone resistance, potting, pouring, and a wide range of hardness. It is widely used in transportation, sports, medical, electronic equipment, military aerospace, machinery manufacturing and other industries.

Causes and solutions of yellowing of polyurethane sponge

Causes and solutions of yellowing of polyurethane sponge

The yellowing of polyurethane sponge has always been a problem that plagues sponge manufacturers and polyol manufacturers. Many sponge manufacturers, especially some high-end sponge manufacturers, have tried to improve the anti-yellowing performance of sponge by adding antioxidants and light stabilizers, but the results are not significant. In this article, we will analyze the causes of yellowing of sponge systematically based on the upstream and downstream characteristics of polyol and sponge production, and elaborate the corresponding solutions.

Qichen new power

Qichen new power

With the expansion of factory and the continuous improvement of production capacity, QICHEN company has increased its investment in R&D, introduced new equipments and a group of outstanding technical personnel, strengthened the R&D team, and committed to providing customers with better products, better technical support, more competitive prices, more convenient and efficient services~