ASTM D3565-89(1996)e1

NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
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e1
Designation: D 3565 – 89 (Reapproved 1996)
Standard Test Method for
Tableware Pattern Removal by Mechanical Dishwasher
Detergents
This standard is issued under the fixed designation D 3565; 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 (e) indicates an editorial change since the last revision or reapproval.
e NOTE—Keywords were added editorially in February 1996.
1. Scope 5. Reagents and Materials
1.1 This test method covers the procedure for measuring the 5.1 Unless otherwise indicated, water shall be understood to
removal of overglaze patterns from tableware by dishwater mean Type IV reagent water conforming to Specification
detergents. It is an accelerated method that provides an D 1193.
evaluation of the corrosiveness of the detergents under use 5.2 Chinaware Plates—8-in. (203-mm) diameter salad
conditions. plates, with an overglaze pattern known to be sensitive to
1.2 The values stated in inch-pound units are to be regarded alkaline detergents.
as the standard. The values given in parentheses are for
6. Preparation of Apparatus
information only.
1.3 This standard does not purport to address all of the 6.1 The chinaware plates are divided into segments. The
following methods may be used:
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro- 6.1.1 Sand blast cutting or striking at desired points of
cleavage on each plate until about eight segments of about
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use. Material Safety equal size are obtained.
6.1.2 Notching the base of a plate using a radial arm saw,
Data Sheets are available for reagents and materials. Review
them for hazards prior to usage. with a masonry cutoff blade, to a depth of approximately ⁄8 in.
The notched plate is positioned upside down and, using heavy
2. Referenced Documents
duty gloves the plate is grasped with both hands and sharply
2.1 ASTM Standards: struck at the notches on the edge of a solid wood block to break
D 1193 Specification for Reagent Water the plate into eight equal pieces.
6.2 Three segments of plate, providing about 40 in (258
3. Summary of Test Method
cm ) of total glazed area (both sides) are used in each beaker.
3.1 Segments of fine chinaware having an overglaze pattern
7. Procedure
of known sensitivity are immersed in boiling detergent solu-
tions and the degree of pattern removal is compared visually 7.1 Prepare 0.15 and 0.30 % concentrations by weight of the
with the original. detergents to be tested, each in 3 L of water, and heat these
solutions to 205 to 211°F (96 to 99.5°C) in the stainless steel
4. Apparatus
beakers containing the stainless steel supports.
4.1 Stainless Steel Beakers, 4-L size, with appropriate 7.2 Degrease the test specimens by first washing in warm
stainless steel covers.
water, rinsing with acetone until the surface films uniformly
4.2 Stainless Steel Supports, of wire or mesh to hold with distilled water, rinsing finally with fresh acetone, and air
specimens off bottom of beakers.
drying.
4.3 Steam Bath or Other Suitable Heating Device,to 7.3 Transfer the clean, dry test specimens (or plate seg-
maintain a temperature of 205 to 211°F (96 to 99.5°C).
ments) to the test solution, resting them upon the stainless steel
4.4 Muslin or Equivalent Soft Fabric, cut into 1 ⁄2-in. (38- supports.
mm) squares.
7.4 At the end of 2 h immersion, remove one specimen. Do
1 3
This method is under the jurisdiction of ASTM Committee D-12 on Soaps and After a 1979 round-robin test, the Holiday pattern made by Len
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