ASTM B532-85(1997)
(Specification)Standard Specification for Appearance of Electroplated Plastic Surfaces
Standard Specification for Appearance of Electroplated Plastic Surfaces
SCOPE
1.1 This specification limits the amounts and types of visual defects that can be tolerated on decoratively electroplated surfaces of plastic products. The quantity of defects permitted shall be specified by the purchaser.
General Information
Relations
Standards Content (Sample)
NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: B 532 – 85 (Reapproved 1997) Endorsed by American
Electroplaters Society
Endorsed by National
Association of Metal Finishers
AMERICAN SOCIETY FOR TESTING AND MATERIALS
100 Barr Harbor Dr., West Conshohocken, PA 19428
Reprinted from the Annual Book of ASTM Standards. Copyright ASTM
Standard Specification for
Appearance of Electroplated Plastic Surfaces
This standard is issued under the fixed designation B 532; 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.
1. Scope under conditions of normal use.
1.1 This specification limits the amounts and types of visual
5. Significance and Use
defects that can be tolerated on decoratively electroplated
5.1 Where electroplated plastics are used for decorative
surfaces of plastic products. The quantity of defects permitted
purposes, the appearance after plating is important. This
shall be specified by the purchaser.
standard provides a means of evaluating the appearance of the
2. Referenced Documents substrate and the coating.
2.1 ASTM Standards:
6. Method of Evaluation
B 374 Terminology Relating to Electroplating
3 6.1 The part under test shall be evaluated in the same
D 883 Terminology Relating to Plastics
relative position as it will normally be viewed under usual
3. Terminology conditions of use.
6.2 After proper positioning, the part under test shall be
3.1 Definitions—See Terminology B 374 for terms relating
evaluated at a distance of not less than 600 mm nor more than
to electroplating. For terms not relating to electroplating, see
900 mm from the observer, using diffused daylight-type
Terminology D 883.
fluorescent lighting or 1500 to 1600 lm/m at the surface of the
4. Classification of Surfaces part being inspected.
6.3 The observer shall have 20/20 vision at a distance of 600
4.1 The appearance of surfaces will be separately evaluated
to 900 mm, corrected with eyeglasses if necessary.
depending on the prominence of the surface under conditions
of ordinary use.
7. Appearance Guide
4.1.1 Surface A—The surface that appears most prominent
7.1 Table 1 limits the extent to which various defects are
to the observer, or most likely to be noticed at first glance.
acceptable on each of the four surface classifications described
4.1.2 Surface B—The surface (usually adjacent to Surface
in Section 4.
A) which is somewhat less prominent to the observer.
7.2 In Table 1 the term “some” assumes that the defects
4.1.3 Surface C—The surface not readily seen by the
cited are not outstanding, too numerous, or located too closely
observer except at an angle, or by special observation.
together. The specific number of defects permitted, and their
4.1.4 Surface D—The surface
...
Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.