ASTM C676-04(2009)
(Test Method)Standard Test Method for Detergent Resistance of Ceramic Decorations on Glass Tableware
Standard Test Method for Detergent Resistance of Ceramic Decorations on Glass Tableware
SIGNIFICANCE AND USE
This test method provides a means of estimating the qualitative performance of glass enamel decorations that are exposed to high phosphate detergents during use. This test method also attempts to simulate accelerated exposure to high phosphate detergents prior to testing for heavy metal release, such as in Test Method C 927 when long term performance of enamels must be evaluated.
SCOPE
1.1 This qualitative test method is designed to provide a convenient and reproducible method of determining the detergent resistance of decorations applied to glass tableware.
1.2 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.
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Designation: C676 − 04(Reapproved 2009)
Standard Test Method for
Detergent Resistance of Ceramic Decorations on Glass
Tableware
This standard is issued under the fixed designation C676; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 5.2 Specimen Holder—A device for supporting the speci-
mens to be evaluated in such a manner as to ensure free and
1.1 This qualitative test method is designed to provide a
unobstructed contact between the decoration and the test
convenient and reproducible method of determining the deter-
solution.
gent resistance of decorations applied to glass tableware.
1.2 This standard does not purport to address all of the 6. Test Specimens
safety concerns, if any, associated with its use. It is the
6.1 Test specimens consist of representative glass tableware
responsibility of the user of this standard to establish appro-
with ceramic decorations.
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use. 7. Test Solution
7.1 Prepare a test solution consisting of 5 % sodium pyro-
2. Referenced Documents
phosphate (Na P O ·10H O) and 95 % distilled water.
4 2 7 2
2.1 ASTM Standards:
C927 Test Method for Lead and Cadmium Extracted from
8. Procedure
the Lip and Rim Area of Glass Tumblers Externally
8.1 Immerse the samples for 2-h periods in the test solution
Decorated with Ceramic Glass Enamels
maintained at 60 6 2°C. Retain a duplicate piece of ware with
each decoration under test without exposure to the solution as
3. Terminology
an aid in judging the degree of chemical action on the
3.1 Definition:
specimens under test.At the end of the 2-h periods, remove the
3.2 detergent resistance—the degree of resistance to the
specimens from the solution, rub vigorously with a cloth under
chemical action of detergents.
running water, dry, and evaluate.
4. Significance and Use
8.2 Grade the decorations after each 2-h period of immer-
sion in accordance with one of the following classes:
4.1 This test method provides a means of estimating the
Class 1—No loss of gloss.
qualitative performance of glass enamel decorations that are
Class 2—Gloss loss, no loss of opacity.
exposed to high phosphate detergents during use. This test
Class 3—Noticeable loss of opacity.
method also attempts to simulate accelerated exposure to high
Class 4—Complete removal of decoration.
phosphate detergents prior to testing for heavy metal release,
such as in Test Method C927 when long term performance of
9. Interpretation of Results
enamels must be evaluated.
9.1 Grade the decorations after each 2-h period of immer-
5. Apparatus
sion in accordance with one of the following classes:
5.1 Test Chamber—Athermostatically controlled tank, pref- Grade 1—No attack apparent.
erably stainless steel, that will maintain a solution temperature
Grade 2—Appearance of iridescence or visible stain on the
of 60 6 2°C.
exposed surface
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation:C676–93 (Reapproved 1999) Designation:C676–04 (Reapproved 2009)
Standard Test Method for
Detergent Resistance of Ceramic Decorations on Glass
Tableware
This standard is issued under the fixed designation C 676; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 This qualitative test method is designed to provide a convenient and reproducible method of determining the detergent
resistance of decorations applied to glass tableware.
1.2 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.
2. Referenced Documents
2.1 ASTM Standards:
C 927 Test Method for Lead and Cadmium Extracted from the Lip and RimArea of Glass Tumblers Externally Decorated with
Ceramic Glass Enamels
3. Terminology
3.1 Definition:
3.2 detergent resistance—the degree of resistance to the chemical action of detergents.
4. Significance and Use
4.1 This test method provides a means of estimating the qualitative performance of glass enamel decorations that are exposed
to high phosphate detergents during use. This test method also attempts to simulate accelerated exposure to high phosphate
detergents prior to testing for heavy metal release, such as in Test Method C 927 when long term performance of enamels must
be evaluated.
5. Apparatus
5.1 Test Chamber—A thermostatically controlled tank, preferably stainless steel, that will maintain a solution temperature of
60 6 2°C.
5.2 Specimen Holder—A device for supporting the speci-mens to be evaluated in such a manner as to ensure free and
unobstructed contact between the decoration and the test solution.
6. Test Specimens
6.1 Test specimens consist of representative glass tableware with ceramic decorations.
7. Test Solution
7.1 Prepare a test solution consisting of 5 % sodium pyrophosphate (Na P O ·10H O) and 95 % distilled water.
4 2 7 2
8. Procedure
8.1 Immerse the samples for 2-h periods in the test solution maintained at 60 6 2°C. Retain a duplicate piece of ware with each
decoration under test without exposure to the solution as an aid in judging the degree of chemical action on the specimens under
test.At the end of the 2-h periods, remove the specimens from the solution, rub vigorously with a cloth under running water, dry,
and evaluate.
This test method is under the jurisdiction ofASTM Committee C-14 C14 on Glass and Glass Products and is the direct responsibility of Subcommittee C14.10 on Glass
Decoration in cooperation with the Society of Glass Decorators’ Committee A-20.
Current edition approved Nov. 15, 1993. Published January 1994. Originally published as C676–71T. Last previous edition C676–93.on Glass Decoration.
Current edition approved May 1, 2009. Published September 2009. Originally approved in 1971. Last previous
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