Standard Test Method for Detergent Cleaners for Evaluation of Corrosive Effects on Certain Porcelain Enamels

General Information

Status
Historical
Publication Date
31-Dec-1988
Current Stage
Ref Project

Buy Standard

Standard
ASTM D1567-89 - Standard Test Method for Detergent Cleaners for Evaluation of Corrosive Effects on Certain Porcelain Enamels
English language
2 pages
sale 15% off
Preview
sale 15% off
Preview

Standards Content (Sample)

--
ASTM D25b7 89 m Oi'5=l510 005742b 0 M
AMERICAN SOCIETY FOR TESTING AND MATERIALS
Designation: D 1567 - 69
1916 Race St., Phltadalphia, Pa. 19103
Reprinted fmm tha Annual km& d ASTM Standards, Copyright ASTM
If not listad in the current combined index, will appear in the next edition.
Standard Test Method for
Detergent Cleaners for Evaluation of Corrosive Effects on
Certain Porcelain Enamels’
This standard is issued under the fixed designation D 1567; 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 (0 indicates an editorial change since the last revision or reapproval.
NOTE 2-The apparatus described in 36 and 3.7 can be used in place
1. scope
of the apparatus described in 3.4 and 3.5.
1.1 This test method covers the determination of the
3.5 Bulbed ReJIux Condenser, 30-cm, with a standard-
corrosive effects of water-soluble detergent cleaners on cer-
taper 40/50 joint (Note 2).
tain porcelain enamels, particularly those used on working
3.6 Stainless Steel Beaker, 1-L capacity (Note 2).
surfaces of washing machines and dishwashing machines
3.7 Volumetric Flask, lOOO-mL (Note 2).
(Note 1). The test is designed for the determination of
corrosion characteristics of the cleaner and not for determi-
4. Test Specimen’s
nation of the life of the cleaner.
4.1 Porcelain enamel test specimens, 2% by 1% in., (63.5
NOTE I-This test method is not intended as a test for the corrosion
by 3 1.7 mm) shall be used. A K&r. (4.77-mm) hole shall be
resistance of porcelain enamels, but for the evaluation of the cleaners. It
drilled in one corner before enameling. The edges and both
is further recognized that various porcelain enamels of differing
fomulations are available with varying degrees of resistance to corrosion
sides of the plates should have a coating of enamel. For this
attack by detergent cleaners. The evaluation of the detergent under test
reason, all burrs must be removed and the edges slightly
is in terms of the particular porcelain enamel used in making the test.
rounded before enameling.
1.2 This standard may involve hazardous materials, oper-
5. Preparation of Test Specimens
ations, and equipment. This standard does not purport to
address all of the safety problems associated with its use. It is 5.1 Precleaning Materials-Assemble the following clean-
the responsibility of the user of this standard to establish ing- materials for removal of soil present on the enamel
appropriate safety and health practices and determine the surface prior to immersion corrosion testing:
applicability of regulatory limitations prior to use. For 5.1.1 A 250-mL beaker containing 200 mL of trichloro-
specific precautionary statement see Note 3. Material Safety ethylene at room temperature.
Data Sheets are available for reagents amd materials. Review
NOTE 3: Precaution-Adequate ventilation must be provided when
them for hazards prior to usage.
working with trichloroethylene.
5.1.2 A 1-L beaker containing 150 to 200 mL of hot
2. Significance and Use
trichloroethylene, the degree of vaporization being controlled
2. I This test method is intended as a laboratory screening
to permit vapor degreasing of the specimens when held in the
test to determine corrosion characteristics of the cleaner
beaker, or, alternatively, a wash bottle containing either of
under actual use conditions, but will not necessarily predict
these solvents at 25 to 30°C.
the aggression of the cleaner toward porcelain enamels under
5.1.3 A 250-mL beaker of either anhydrous methanol or
all end-use conditions.
isopropranol at 50°C.
5.1.4 A 250-mL beaker of distilled water at 50°C.
3. Apparatus
5.1.5 A 250-mL beaker of acetone at room temperature.
5.1.6 A small swab of fresh absorbent cotton placed in
3.1 Heating Source-A controlled-wattage laboratory hot
each of the beakers.
plate or other source to provide the conditions specified.
5.2 Precleaning Technique-Clean the test specimens as
3.2 Stainless Steel Rack, for supporting the enamel test
follows immediately prior to use in the test (Section 7):
specimen inside the flask. This may be made from a strip of
5.2.1 Immerse the test specimens in the beaker of trichlo-
stainless steel approximately ‘/2 in. (12.7 mm) wide and0.012
roethylene (5.1.1) and immediately swab the surfaces of the
in. (0.305 mm) thick formed as shown in Fig. 1 on V&r.
individual specimens thoroughly, using clean forceps to hold
(6.4-mm) spacings approximately % in. (19 mm) deep.
both the cotton swab and the test specimen.
3.3 Wire, with hook on the end for inserting enamel test
5.2.2 After the swabbing of each specimen is completed,
specimens in the flask.
shake off excess solvent and either transfer the specimen to
3.4 Short-Neck Florence Flask, 1500-mL, flat-bottom,
with a standard-t
...

Questions, Comments and Discussion

Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.