How Polyurethane Sponge Whitening Agents Help Reduce Change Frequency

Polyurethane sponge whitening agent: Make life a little brighter In our daily life, polyurethane sponge is an ubiquitous material. From sofa cushions and mattresses at home, to car seats, sports protective gear, to cleaning supplies and sound insulation materials, it has become an indispensable part of modern industry with its advantages of softness, elasticity and strong durability. However, as the use time increases, sponges that are…