2.1 These test methods are applicable to varnish and are useful to producers and users in determining nonvolatile content and are sometimes an appropriate measure of the film-forming matter in varnish.

1.1 These test methods determine the fraction of a varnish that is nonvolatile at the temperature of the test while volatile solvents are driven off. It is sometimes an approximate measure of the film-forming matter in a varnish.

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

1.3 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. For a specific statement, see Section 3.