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This
tester is used for measuring the heat-endurance and pressure
resistance of plug wire. Testing method is to put the specimen
upon a testing stand inside a constant temperature chamber which
is predetermined around 125℃
and press with a ball end in diameter 5mm for one hour, then
take out the
specimen and put it into water for 10 seconds.Measure the depth
of concavity.
It
will be qualified if the depth is within 2mm
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