ASTM D4066-00

NOTICE: This standard has either been superseded and replaced by a new version or discontinued.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: D 4066 – 00 An American National Standard
Standard Classification System for
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Nylon Injection and Extrusion Materials (PA)
This standard is issued under the fixed designation D 4066; 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.
1. Scope * 2. Referenced Documents
1.1 This classification system covers nylon materials suit- 2.1 ASTM Standards:
able for injection molding and extrusion. Some of these D 149 Test Method for Dielectric Breakdown Voltage and
compositions are also suitable for compression molding and Dielectric Strength of Solid Electrical Insulating Materials
2
application from solution. at Commercial Power Frequencies
1.2 The properties included in this classification system are D 150 Test Methods for A-C Loss Characteristics and
those required to identify the compositions covered. There may Permittivity (Dielectric Constant) of Solid Electrical Insu-
2
be other requirements necessary to identify particular charac- lating Materials
teristics important to specialized applications. These may be D 256 Test Methods for Determining the Izod Pendulum
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specified by using the suffixes as given in Section 5. Impact Resistance of Plastics
1.3 This classification system and subsequent line callout D 257 Test Methods for D-C Resistance or Conductance of
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(specification) are intended to provide a means of calling out Insulating Materials
plastic materials used in the fabrication of end items or parts. D 618 Practice for Conditioning Plastics and Electrical
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It is not intended for the selection of materials. Material Insulating Materials for Testing
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selection should be made by those having expertise in the D 638 Test Method for Tensile Properties of Plastics
plastic field after careful consideration of the design and the D 648 Test Method for Deflection Temperature of Plastics
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performance required of the part, the environment to which it Under Flexural Load
will be exposed, the fabrication process to be employed, the D 789 Test Methods for Determination of Relative Viscos-
costs involved, and the inherent properties of the material other ity, Melting Point, and Moisture Content of Polyamide
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than those covered by this classification system. (PA)
1.4 The values stated in SI units are to be regarded as the D 790 Test Methods for Flexural Properties of Unreinforced
standard. and Reinforced Plastics and Electrical Insulating Materi-
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1.5 The following precautionary caveat pertains only to the als
test methods portion, Section 11, of this classification system. D 792 Test Methods for Density and Specific Gravity (Rela-
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This standard does not purport to address all of the safety tive Density) of Plastics by Displacement
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concerns, if any, associated with its use. It is the responsibility D 883 Terminology Relating to Plastics
of the user of this standard to establish appropriate safety and D 1600 Terminology for Abbreviated Terms Relating to
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health practices and determine the applicability of regulatory Plastics
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limitations prior to use. D 1898 Practice for Sampling of Plastics
D 1999 Guide for Selection of Specimens and Test Param-
NOTE 1—This classification system is similar to ISO 1874-1/-2 1993,
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eters for International Commerce
although the technical content is significantly different.
D 3418 Test Method for Transition Temperatures of Poly-
NOTE 2—This classification system is being revised to include interna-
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tional 4-mm specimens and test procedures as the standard for compli- mers by Thermal Analysis
ance. The 3.2-mm specimens; test methods; and Tables PA, A, and B are
D 3641 Practice for Injection Molding Test Specimens of
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included in Appendix X3 as a reference for those wishing to use them. It
Thermoplastic Molding and Extrusion Materials
is recommended that the material manufacturer be consulted on all
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D 3892 Practice for Packaging/Packing of Plastics
callouts against this classification system.
D 4000 Classification System for Specifying Plastic Mate-
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rials
1 2
This classification system is under the jurisdiction of ASTM Committee D20 on Annual Book of ASTM Standards, Vol 10.01.
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Plastics and is the direct responsibility of Subcommittee D20.15 on Thermoplastic Annual Book of ASTM Standards, Vol 08.01.
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Materials (Section D20.15.09). Discontinued; see 1997 Annual Book of ASTM Standards, Vol 08.01.
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Current edition approved July 10, 2000. Published October 2000. Originally Annual Book of ASTM Standards, Vol 08.02.
published as D 4066 – 82. Last previous edition D 4066 – 99.
*A Summary of
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