YONGLIDA QBY film pendulum hardness Gauge Pendulum Hardness Tester 500mm pendulum Rod length 120g pendulum total mass

$ 248.00Ex works

Using stopwatch counting method, the length of the swing Rod is 500 +/- 1mm, and the total mass of the swing is 120 +/- 1g. The resistance to deformation is evaluated by measuring the ratio of the swing amplitude time on the film to the swing time on the Glass.