SNV ISO 4591 : 1992
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
PLASTICS - FILM AND SHEETING - DETERMINATION OF AVERAGE THICKNESS OF A SAMPLE, AND AVERAGE THICKNESS AND YIELD OF A ROLL, BY GRAVIMETRIC TECHNIQUES (GRAVIMETRIC THICKNESS)
23-07-2013
12-01-2013
Applies to all plastics films and sheeting and has special value when mechanical scanning is not sufficiently precise, particularly for measuring the thickness of embossed sheeting. The gravimetric thickness is calculated from measurements of mass, area and density of a sample.
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