ASTM D6737-12
Standard Test Method for Bulk Density of Tapered Paintbrush Filaments

1.2 This method is applicable only to monofilament with tapered longitudinal profiles.

1.3 The values given in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.