ASTM C556-93 Test for Resistance of Overglaze Decorations to Attack by Detergents

ASTM C556-93 Test for Resistance of Overglaze Decorations to Attack by Detergents

ASTM C556-93 is used to determine and evaluate the resistance of overglaze decorations on ceramic whitewares to attack by normal household soaps and liquid detergents under normal household conditions. The values stated in SI units are to be regarded as standard.


    Dinnerware is washed after every meal with soaps and detergents. This can lead to the deterioration of overglaze decoration. It is crucial to determine how resistant these overglaze decorations are for quality control and design. This standard is mainly used to evaluate overglaze decorations of dinnerware for domestic use, wherein household soaps and detergents are used for cleaning the soiled ware by either hand or machine. This test method indicates the service life of ceramic dinnerware, which are washed with soap and detergents

    Test Procedure:

    Test specimens are exposed to household detergents repeatedly until deterioration. 

    Specimen size:

    Five dinnerware whiteware ceramics are required.


    This standard reports the number of cycles it requires for detergents to significantly deteriorate the overglaze decoration of ceramic whiteware.


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