ASTM D5857-05

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Designation: D 5857 – 05
Standard Specification for
Polypropylene Injection and Extrusion Materials Using ISO
1
Protocol and Methodology
This standard is issued under the fixed designation D 5857; 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.
INTRODUCTION
This material specification is intended to provide a call out system for polypropylene utilizing
specimen preparation procedures and test method based on ISO standards.
Thisspecificationisnotintendedforthedeterminationofthesuitabilityofperformanceofmaterials
in the final application. Selection of these materials is to be made by personnel with expertise in the
plastics field in which the environment, inherent properties of the materials, performance of the parts,
part design, manufacturing process, and economics are considered.
ments necessary to identify particular characteristics important to specific
1. Scope*
applications. These will be designated by using the suffixes given in
1.1 This specification covers polypropylene materials suit-
Section 5.
able for injection molding and extrusion. Polymers consist of
1.4 The properties included in this classification system are
polypropylene homopolymers, polypropylene copolymers, and
thoserequiredtoidentifythecompositionscovered.Theremay
polypropylene-elastomercompoundsproducedwithorwithout
be other requirements necessary to identify particular charac-
the addition of impact modifiers (ethylene-propylene rubber,
teristics important to specialized applications. These may be
polyisobutylene rubber, and butyl rubber, and so forth), colo-
specified by using the suffixes as given in Section 5 and those
rants, stabilizers, lubricants, fillers, or reinforcements.
in Classification System D 4000.
1.2 This specification allows for the use of those polypro-
1.5 This classification system and specification are intended
pylene materials that can be recycled, reconstituted, and
to provide a means of calling out polypropylene materials used
reground, provided that the following conditions are met:
inthefabricationofenditemsorparts.Itisnotintendedforthe
1.2.1 The requirements as stated in this specification and
selection of materials. Material selection should be made by
other ISO guidelines pertaining to these types of materials are
those having expertise in the plastic field after careful consid-
met, and
eration of the design and the performance required of the part,
1.2.2 The material has not been modified in any way to alter
the environment to which it will be exposed, the fabrication
its conformance to food contact regulations or similar require-
process to be employed, the costs involved, and the inherent
ments.
properties of the material other than those covered by this
1.3 The proportions of recycled, reconstituted, and regrind
specification.
material used, as well as the nature and the amount of any
1.6 The values stated in SI units are to be regarded as the
contaminant, cannot be practically covered in this specifica-
standard.
tion. It is the responsibility of the supplier and buyer of
1.7 The following precautionary caveat pertains only to the
recycled, reconstituted, and regrind materials to ensure com-
test methods portion, Section 13, of this specification: This
pliance.
specification does not purport to address all of the safety
NOTE 1—The properties included in this specification are those re-
concerns, if any, associated with its use. It is the responsibility
quired to identify the compositions covered. There may be other require-
of the user of this specification to establish appropriate safety
and health practices and determine the applicability of regu-
1 latory limitations prior to use.
This specification is under the jurisdiction of ASTM Committee D20 on
Plastics and is the direct responsibility of Subcommittee D20.15 on Thermoplastic
NOTE 2—This specification is similar to both ISO 1873-1 and ISO
Materials.
1873-2, but to different degrees. This specification resembles ISO 1873-1
Current edition approved March 1, 2005. Published March 2005. Originally
approved in 1996. Last previous edition approved in 2004 as D 5857 - 04.
*A Summary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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D5857–05
in title only. The content is significantly different. This specification and
ISO 1133 Plastics—Determination of Melt Flow Rate of
ISO 1873-2 differ in approach or detail; data obtained using either are
Thermoplastics
technically equivalent.
ISO 1183A
...