Measurement of the area and mass of a test piece and calculation of its mass per unit area in grams per square metre. In order to meet the specific needs of nonwovens, alternative requirements to those listed in ISO 3801 are specified in this part of ISO 9073. These are: a) a different sampling procedure; b) an alternative specification for dimensions of test piece; c) a greater accuracy for the balance.
Revises
ISO 9073-1:1989
IN_DEVELOPMENT
ISO/FDIS 9073-1
50.00
Final text received or FDIS registered for formal approval
Jan 23, 2023
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