2.1 Test Method A provides the producers of porcelain enameled utensils with a quality control method of testing for resistance to boiling acid for parts randomly selected from the production line.

2.2 Test Method B provides the supplier of porcelain enamel raw materials with a laboratory method for testing the resistance of different coatings (intended for use on utensils) to boiling acid.

1.1 These test methods cover the determination of the resistance of porcelain enamel coatings used on utensils to attack by boiling acid.

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.

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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.