Traditional Culture Encyclopedia - Traditional customs - Is pvc or pu better for volleyball in senior high school entrance examination?

Is pvc or pu better for volleyball in senior high school entrance examination?

Not bad. Pvc and pu refer to volleyball materials respectively, and pu is a polyurethane material, which has the characteristics of softness and good elasticity and does little harm to opponents. Pvc material is polyvinyl chloride material, which is hard and easy to be injured by opponents when using it. The senior high school entrance examination is an important exam, and the health and safety of candidates are very important. The volleyball made of pu material is soft, which has less pressure on opponents and joints, avoids unnecessary injuries and can better show the technical level of candidates, so pu volleyball is good.