Standard Specification for Polyphthalamide (PPA) Injection Molding Materials

ABSTRACT
This specification covers the classification, testing, and requirements of polyphthalamide (PPA) materials, both virgin and recycled, suitable for injection molding. This specification is intended to be a means of calling out plastics materials used in the fabrication of end items or parts, and not for the selection of materials. The materials are classified into groups according to crystallinity, and are further subdivided into classes and grades as specified. Materials shall be sampled, prepared, and conditioned appropriately for testing, for which specimens shall conform to specified values of the following requirements: inherent viscosity; melting temperature; glass transition; tensile strength; flexural strength and modulus; Izod impact strength; deflection temperature; and moisture.
SCOPE
1.1 This specification covers polyphthalamide materials suitable for injection molding.
1.2 The properties included in this specification are those required to identify the compositions covered. Other requirements necessary to identify particular characteristics important to specialized applications are to be specified by using suffixes as given in Section 5. See Guide D 5740.
1.3 This specification allows for the use of recycled materials provided that all specification requirements are met.
1.4 This specification is intended to be a means of calling out plastics materials used in the fabrication of end items or parts. It is not intended for the selection of materials. Material selection can be made by those having expertise in the plastics field only after careful consideration of the design and the performance required of the part, the environment to which it will be exposed, the fabrication process to be employed, the costs involved, and the inherent properties of the material other than those covered by this specification.
1.5 The values stated in SI units are to be regarded as the standard (see IEEE/ASTM SI-10). The values given in parentheses are for information only.
1.6 The following precautionary caveat pertains only to the test methods portion, Section 12, 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.   Specific precautionary statements are given in Note 6.
Note 1—There is no known ISO equivalent to this specification.

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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:D5336 −09
StandardSpecification for
1
Polyphthalamide (PPA) Injection Molding Materials
This standard is issued under the fixed designation D5336; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope* 2. Referenced Documents
2
1.1 This specification covers polyphthalamide materials 2.1 ASTM Standards:
suitable for injection molding. D256 Test Methods for Determining the Izod Pendulum
Impact Resistance of Plastics
1.2 The properties included in this specification are those
D618 Practice for Conditioning Plastics for Testing
required to identify the compositions covered. Other require-
D638 Test Method for Tensile Properties of Plastics
ments necessary to identify particular characteristics important
D648 Test Method for Deflection Temperature of Plastics
to specialized applications are to be specified by using suffixes
Under Flexural Load in the Edgewise Position
as given in Section 5. See Guide D5740.
D790 Test Methods for Flexural Properties of Unreinforced
1.3 This specification allows for the use of recycled mate-
and Reinforced Plastics and Electrical Insulating Materi-
rials provided that all specification requirements are met.
als
D792 Test Methods for Density and Specific Gravity (Rela-
1.4 This specification is intended to be a means of calling
out plastics materials used in the fabrication of end items or tive Density) of Plastics by Displacement
D883 Terminology Relating to Plastics
parts. It is not intended for the selection of materials. Material
selection can be made by those having expertise in the plastics D1600 TerminologyforAbbreviatedTermsRelatingtoPlas-
tics
field only after careful consideration of the design and the
performance required of the part, the environment to which it D2857 Practice for Dilute Solution Viscosity of Polymers
D3418 Test Method for Transition Temperatures and En-
will be exposed, the fabrication process to be employed, the
costsinvolved,andtheinherentpropertiesofthematerialother thalpies of Fusion and Crystallization of Polymers by
Differential Scanning Calorimetry
than those covered by this specification.
D3641 Practice for Injection Molding Test Specimens of
1.5 The values stated in SI units are to be regarded as the
Thermoplastic Molding and Extrusion Materials
standard (see IEEE/ASTM SI-10). The values given in paren-
D3801 TestMethodforMeasuringtheComparativeBurning
theses are for information only.
Characteristics of Solid Plastics in a Vertical Position
1.6 The following precautionary caveat pertains only to the
D3835 Test Method for Determination of Properties of
test methods portion, Section 12, of this specification: This
Polymeric Materials by Means of a Capillary Rheometer
standard does not purport to address all of the safety concerns,
D3892 Practice for Packaging/Packing of Plastics
if any, associated with its use. It is the responsibility of the user
D4000 Classification System for Specifying Plastic Materi-
of this standard to establish appropriate safety and health
als
practices and determine the applicability of regulatory limita-
D5225 Test Method for Measuring Solution Viscosity of
tions prior to use. Specific precautionary statements are given
Polymers with a Differential Viscometer
in Note 6.
D5630 Test Method for Ash Content in Plastics
D5740 Guide for Writing Material Standards in the Classi-
NOTE 1—There is no known ISO equivalent to this specification.
fication Format
D6869 Test Method for Coulometric and Volumetric Deter-
mination of Moisture in Plastics Using the Karl Fischer
1
This specification is under the jurisdiction of ASTM Committee D20 on
Plastics and is the direct responsibility of Subcommittee D20.15 on Thermoplastic
2
Materials (Section D20.15.09). For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved Sept. 1, 2009. Published September 2009. Originally contactASTM Customer Service at service@astm.org. ForAnnual Book ofASTM
approved in 1992. Last previous edition approved in 2003 as D5336 - 03. DOI: Standards volume information, refer to the standard’s Document Summary page on
10.1520/D5336-09. the ASTM website.
*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
1

---------------------- Page: 1 ----------------------
D5336−09
Reaction (the Reaction of Iodine with Water) of the two comprise at least 55 molar percentage of the
E29 Practice for Using Significant Digits in Test Data to dicarboxylicacidportionoftherepeatingstructuralunitsinthe
Determi
...

This document is not anASTM standard and is intended only to provide the user of anASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation:D5336–03 Designation: D 5336 – 09
Standard Specification for
1
Polyphthalamide (PPA) Injection Molding Materials
This standard is issued under the fixed designation D 5336; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope*
1.1 This specification covers polyphthalamide materials suitable for injection molding.
1.2 The properties included in this specification are those required to identify the compositions covered. There may be other
Otherrequirementsnecessarytoidentifyparticularcharacteristicsimportanttospecializedapplications.Thesemayapplicationsare
to be specified by using suffixes as given in Section 5. See Guide D 5740.
1.3This1.3 This specification allows for the use of recycled materials provided that all specification requirements are met.
1.4 This specification is intended to be a means of calling out plastics materials used in the fabrication of end items or parts.
It is not intended for the selection of materials. Material selection shouldcan be made by those having expertise in the plastics field
onlyaftercarefulconsiderationofthedesignandtheperformancerequiredofthepart,theenvironmenttowhichitwillbeexposed,
the fabrication process to be employed, the costs involved, and the inherent properties of the material other than those covered by
this specification, and the economics. specification.
1.5 The values stated in SI units are to be regarded as the standard (see IEEE/ASTM SI-10). ). The values given in parentheses
are for information only.
1.6 Thefollowing precautionary caveat pertains onlytothetest methodsportion, Section12, ofthisspecification: 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.
Specific precautionary statements are given in Note 6.
NOTE1—There is no similar or equivalent ISO standard. 1—There is no known ISO equivalent to this specification.
1
This specification is under the jurisdiction of ASTM Committee D20 on Plastics and is the direct responsibility of Subcommittee D20.15 on Thermoplastic Materials
(Section D20.15.09).
Current edition approved NovemberSept. 1, 2003.2009. Published January 2004.September 2009. Originally approved in 1992. Last previous edition approved in
20002003 as D 5336 - 003.
*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.
1

---------------------- Page: 1 ----------------------
D5336–09
2. Referenced Documents
2
2.1 ASTM Standards:
D 256 Test Methods for Determining the Izod Pendulum Impact Resistance of Plastics
D 618 Practice for Conditioning Plastics for Testing
D 638 Test Method for Tensile Properties of Plastics
D 648 Test Method for Deflection Temperature of Plastics Under Flexural Load in the Edgewise Position
D 790 Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials
D 792 Test Methods for Density and Specific Gravity (Relative Density) of Plastics by Displacement
D 883 Terminology Relating to Plastics
D 1600 Terminology for Abbreviated Terms Relating to Plastics
D 2857 Practice for Dilute Solution Viscosity of Polymers
D 3418 Test Method for Transition Temperatures of Polymers by Differential Scanning CalorimetryTest Method for Transition
Temperatures and Enthalpies of Fusion and Crystallization of Polymers by Differential Scanning Calorimetry
D 3641 Practice for Injection Molding Test Specimens of Thermoplastic Molding and Extrusion Materials
D 3801 Test Method for Measuring the Comparative Burning Characteristics of Solid Plastics in a Vertical Position
D 3835 Test Method for Determination of Properties of Polymeric Materials by Means of a Capillary Rheometer
D 3892 Practice for Packaging/Packing of Plastics
D 4000 Classification System for Specifying Plastic Materials D4019Test Method for Moisture in Plastics by Coulometric
Regeneration of Phosphorus Pentoxide
D 5225 Test Method for Measuring Solution Viscosity of Polymers with a Differential Viscometer
D 5630 Test Method for Ash Content in Thermoplastics
D5740Guide for Writing Materia
...

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