Ball falling distance
460±0.5%mm (National Standard) 500±0.5%mm (American Standard)
Steel ball diameter
D16±0.05mm
Falling Ball Rebound Rate Accuracy
<0.5%
Test sample size
100mm(L)*100mm(W)*50mm(H) Automatic calculation of average springback
Design standards
GB/T 6670-200
Product name
Sponge falling ball rebound test machine