(Des): This machine is to test the resilience of rubber by Vertical Rebound.
Level
the machine and raise the plunger at a given height above the
specimen.
The
distance of the point of plunger impact from the edge of the
specimen is 14mm.
Release
the plunger, making sure that it slides freely on its guide and
report the average resilience from the 4th, 5th, and 6th
impacts.
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