Standard Specification for Polypropylene Injection and Extrusion Materials

SCOPE
1.1 This specification covers propylene plastic materials suitable for injection molding and extrusion. Polymers consist of propylene homopolymer, propylene copolymers, and propylene-elastomer compounded with or without the addition of impact modifiers (ethylene-propylene rubber, polyisobutylene rubber, and butyl rubber), colorants, stabilizers, lubricants, or reinforcements.  
1.2 This specification allows for the use of those propylene plastic materials that can be recycled, reconstituted, and reground, provided that: (1) the requirements as stated in this specification are met, and (2) the material has not been modified in any way to alter its conformance to food contact regulations or similar requirements. The proportions of recycled, reconstituted, and reground material used, as well as the nature and the amount of any contaminant, cannot be practically covered in this specification. It is the responsibility of the supplier and the buyer of recycled, reconstituted, and reground materials to ensure compliance. (See Guide D5033.)
1.3 The values stated in SI units are to be regarded as the standard.  
Note 1—The properties included in this specification are those required to identify the compositions covered. There may be other requirements necessary to identify particular characteristics important to specific applications. These will be designated by using the suffixes given in Section 1.
1.4 The following safety hazards caveat pertains only to the test methods portion, Section 13, of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
Note 2—There is no similar or equivalent ISO standard.

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09-Nov-2002
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ASTM D4101-02b - Standard Specification for Polypropylene Injection and Extrusion Materials
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NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: D 4101 – 02b
Standard Specification for
1
Polypropylene Injection and Extrusion Materials
This standard is issued under the fixed designation D 4101; 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.
This standard has been approved for use by agencies of the Department of Defense.
INTRODUCTION
This specification is not intended for the selection of materials but only as a means to call out plastic
materials to be used for the manufacture of parts. The selection of these materials is to be made by
personnel with expertise in the plastics field where the environment, inherent properties of the
materials, performance of the part, part design, manufacturing process, and economics are considered.
1. Scope * of this standard to establish appropriate safety and health
practices and determine the applicability of regulatory limita-
1.1 This specification covers polypropylene materials suit-
tions prior to use.
able for injection molding and extrusion. Polymers consist of
homopolymer, copolymers, and elastomer compounded with or
NOTE 2—There is no similar or equivalent ISO standard.
without the addition of impact modifiers (ethylene-propylene
2. Referenced Documents
rubber, polyisobutylene rubber, and butyl rubber), colorants,
stabilizers, lubricants, or reinforcements.
2.1 ASTM Standards:
1.2 This specification allows for the use of those polypro-
C 177 Test Method for Steady-State Heat Flux Measure-
pylene materials that can be recycled, reconstituted, and
ments and Thermal Transmission Properties by Means of
2
reground, provided that: (1) the requirements as stated in this
the Guarded-Hot-Plate Apparatus
specification are met, and (2) the material has not been
D 149 Test Method for Dielectric Breakdown Voltage and
modified in any way to alter its conformance to food contact
Dielectric Strength of Electrical Insulating Materials at
3
regulations or similar requirements. The proportions of re-
Commercial Power Frequencies
cycled, reconstituted, and reground material used, as well as
D 150 Test Methods for A-C Loss Characteristics and
the nature and the amount of any contaminant, cannot be
Permittivity (Dielectric Constant) of Solid Electrical Insu-
3
practically covered in this specification. It is the responsibility
lation
of the supplier and the buyer of recycled, reconstituted, and
D 256 Test Methods for Determining the Izod Pendulum
4
reground materials to ensure compliance. (See Guide D 5033.)
Impact Resistance of Plastics
1.3 The values stated in SI units are to be regarded as the
D 257 Test Methods for D-C Resistance or Conductance of
3
standard.
Insulating Materials
D 495 Test Method for High Voltage, Low Current, Dry Arc
NOTE 1—The properties included in this specification are those re-
3
Resistance of Solid Electrical Insulation
quired to identify the compositions covered. There may be other require-
5
D 523 Test Method for Specular Gloss
ments necessary to identify particular characteristics important to specific
applications. These will be designated by using the suffixes given in D 543 Practices for Evaluating the Resistance of Plastics to
4
Section 1.
Chemical Reagents
4
D 570 Test Method for Water Absorption of Plastics
1.4 The following safety hazards caveat pertains only to the
4
D 618 Practice for Conditioning Plastics for Testing
test methods portion, Section 13, of this specification: This
D 635 Test Method for Rate of Burning and/or Extent and
standard does not purport to address all of the safety concerns,
Time of Burning of Self-Supporting Plastics in a Horizon-
if any, associated with its use. It is the responsibility of the user
4
tal Position
1
This specification is under the jurisdiction of ASTM Committee D20 on
2
Plastics and is the direct responsibility of Subcommittee D20.15 on Thermoplastic Annual Book of ASTM Standards, Vol 04.06.
3
Materials. Annual Book of ASTM Standards, Vol 10.01.
4
Current edition approved November 10, 2002. Published January 2003. Origi- Annual Book of ASTM Standards, Vol 08.01.
5
nally approved in 1982. Last previous edition approved in 2002 as D 4101 – 02a. Annual Book of ASTM Standards, Vol 06.01.
*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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NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
D 4101 – 02b
4 9
D 638 Test Method for Tensi
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