1.1 This standard prescribes the methods of test for vitreous enamelware, namely, tests for resistance to acid, alkali and water; resistance to thermal shock; 45°, 0° directional reflectance, + 45°, — 45° specular gloss; adherence; resistance to torsion; resistance to abrasion; and warpage.
1.2 Should any inconsistency exist between the requirements given in this standard and those given in standards for individual materials, the latter shall prevail.