1.1 This specification covers vulcanized fibre (Note 1) sheets, round rods, and round tubes of such grades suitable for use as electrical insulation.
Note 1 – The variant spelling “fibre“ has been approved by Committee D09 for use in this standard.
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.