本机使用于测试塑胶束带之坚牢度，以规定重量之冲头，在一定的高度，使之自由落下撞击试件，视其受损程度来判定质量。 The tester is used to determine the fastness of plastictie. Have the striker with specified weight drop freely from certain height to impact the specimen and determine the damage degree. Specification.