polyurethane jaw coupling insert/spider/damper

Polyurethane jaw coupling inserts also called polyurethane jaw coupling spiders from Yantai Zhengyuan Polyurethane Co.,Ltd. are made of superior urethane from famous suppliers both domestic and overseas. The superior urethane used has below mentioned features. · Elasticity better than rubber · Toughness and durability close to metal · Plastic shape and color flexibility · Broad range hardness available · Abrasion resistant · Tear resistant · Ageing resistant So polyurethane