ASTM-C282 › Standard Test Method for Acid Resistance of Porcelain Enamels
(Citric Acid Spot Test)
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1.1 This test method covers a procedure for evaluating porcelain enamels in their resistance to citric acid exposure at room temperature. No attempt is made to categorize porcelain enamels as to their acid-resistance or non acid-resistance properties, since the requirements in the several branches of the industry differ.
1.2 The test method is applicable for ware of various shapes providing they contain a substantially flat area approximately 50 mm in diameter.
1.3 The test method is not applicable to finishes on chemical and hospital ware, which may come in contact with strong mineral acids, nor to cooking utensils, which may come in prolonged contact with hot acid solutions.
1.4 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety problems 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.
Acid resistance; Citric acid test; Porcelain enamel products; Resistance-acid; acid resistance-porcelain enamels, by citric acid spot test; ICS Number Code 25.220.50 (Enamels)
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