ASTM D1788-81

Specification for Rigid Acrylonitrile-Butadiene-Styrene (ABS) Plastics (Withdrawn 1988)

General Information

• Status: Withdrawn
• Withdrawal Date: 28-Jul-1988
• ICS: 83.080.20 - Thermoplastic materials
• Technical Committee: D20 - Plastics
• Drafting Committee: D20.15 - Thermoplastic Materials

Standards Content (Sample)

ASTM DL788 43 I 0757530 0023233 2 I -
~-
\
Designation: D 1788 - 81
AMERICAN SOCIETY FOR TESTING AND MATERIALS
1916 Race St., Philadelphia, Pa. 19103
Reprinted from the Annual Book of ASTM Standards, Copyright ASTM
If not listed in the current combined index, will appear in the next edition.
Standard Specification for
RIGID ACRYLONITRILE-BUTADIENE-STYRENE
(ABS) PLASTICS?
This standard is issued under the fixed designation D 1788; 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.
acteristics. These will be added to the specification
1. Scope
as their inclusion becomes generally desirable and
1.1 This specification covers rigid thermo-
the necessary test data and methods become avail-
able.
plastic compositions which are made from
polymers or blends of polymers, or both,
2. Applicable Documents
produced from the monomers acrylonitrile,
2.1 ASTM Standards:
butadiene, and styrene (ABS) or their closely
D 256 Tests for Impact Resistance of Pias-
related chemical derivatives and which con-
tics and Electrical Insulating Materials2
tain a minimum of 13 % acrylonitrile, 5 %
D 618 Conditioning Plastics and Electrical
butadiene, and 15 % styrene. ABS plastics
Insulating Materials for Testing3
may also contain a maximum of 10 % of other
D638 Test for Tensile Properties of Plas-
monomeric or polymeric components. Other
tics4
necessary compounding ingredients may also
D 648 Test for Deflection Temperature of
be present. These plastic compositions are
Plastics Under Flexural Load4
suitable for injection or compression molding,
D 792 Tests for Specific Gravity and Den-
calendering, and extrusion.
sity of Plastics by Displacement4
1.2 The values stated in SI units are to be
D883 Definitions of Terms Relating to
regarded as the standard.
Plastics5
NOTE 1-This specification includes commer-
D 1013 Test for Total Nitrogen in Resins
cially available compounds meeting the composition
and Plastics.6
requirements given herein and only those cell com-
binations that are applicable thereto. Materials avail- D 1527 Specification for Acrylonitrile-Buta-
able at the time of publication, listed by their cell
diene-Styrene (ABS) Plastic Pipe, Sched-
classification, can be found in the appendix. Periodic
ules 40 and 807
updating of this listing will be at the request of the
D 1897 Recommended Practice for Injection
seller.
Molding Test Specimens of Thermoplastic
1.3 For pipe applications, other minimum
Molding and Extrusion Materials4
composition requirements for acrylonitrile, bu-
tadiene, and styrene apply. For example, see
Specification D 1527.
This specification is under the jurisdiction of ASTM
and is the direct responsibility
Comfittee D-20 on Plastics
1.4 This specification provides for the di-
of Subcommittee D20.15 on Thermoplastic Materials.
vision of ABS polymers into groups based on
Materials defined in this specification are the basis of
pipe and sheeting specifications which are under the juris-
three properties: Izod impact strength, deflec-
diction of Committee F-17 on Plastic Piping Systems and
tion temperature under load, and tensile
Subcommittee D20.19.
Current edition approvedJune 26, 1981. Published Octo-
stress at yield point. These three properties
ber 1981. Originally published as D 1788 - 60 T. Last pre-
are the most significant in characterizing dif-
vious edition D 1788 - 78a.
?Annual Book of ASTMStandards, Parts 35.37, and 39.
ferences between ABS eompounds.
i Annual Book of ASTM Standards, Parts 22,35, and 39.
NOTE 2-The properties included in this specifi-
Annual Book of ASTM Standards, Part 35.
cation are those required to identify the types and
Annual Book of ASTM Standards, Parts 34,35, and 36.
grades of materials covered. There may be other
Annual Book of ASTM Standards, Part 28.
requiremenfs necessary to identify particular char- ?Annual Book of ASTM Standards, Part 34.

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ASTM DL788 83 M 0753530 0023232 4 H
D 1898 Recommended Practice for Sampling
a minimum of 16 h but not more than 24 h at
of Plastics4 85°C for materials in Cells 1 through 4 and at
D 3892 Practice for Packaging/Packing of 95°C for materials in Cell 5. Condition ali
Plastics4
other molded test specimens in accordance
2.2 Military Standard with Procedure A of Method D 618, except
MIL-STD-105 Sampling Proceduresand Ta- that the minimum conditioning time shall be
bles for Inspection by Attributes' 24 h.
3, Classification
8. Test Methods
3.1 ABS compounds will be classified in
8.1 Determine the properties enumerated
accordance with Table 1. Type is based on
in this specification in accordance with Table
Izod impact strength; gra
...