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Operation :
Put the sample on a solid plane, hold the
durometer to make the pointer at least 12mm away from the sample edge,
and stably put the legs of durometer on the sample. Thus the pointer
straightly goes into the sample till the legs completely get to the
sample. Check the reading in 1s.Repeat such test 5 times at different
place which are at least 6mm away from the test point and find the
average reading(the distance between porous materials is at least 15mm). |
