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    ASTM D5336 - 15

    Standard Classification System and Basis for Specification for Polyphthalamide (PPA) Injection Molding Materials

    Active Standard ASTM D5336 | Developed by Subcommittee: D20.15

    Book of Standards Volume: 08.03


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    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.

    This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

    1. Scope

    1.1 This classification system covers polyphthalamide materials suitable for injection molding.

    1.2 The properties included in this classification system 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 D5740.

    1.3 This classification system allows for the use of recycled materials provided that all specification requirements are met.

    1.4 This classification system 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 should 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 classification system.

    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 11, of this classification system: 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 7.

    Note 1: There is no known ISO equivalent to this standard.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D256 Test Methods for Determining the Izod Pendulum Impact Resistance of Plastics

    D618 Practice for Conditioning Plastics for Testing

    D638 Test Method for Tensile Properties of Plastics

    D648 Test Method for Deflection Temperature of Plastics Under Flexural Load in the Edgewise Position

    D790 Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials

    D792 Test Methods for Density and Specific Gravity (Relative Density) of Plastics by Displacement

    D883 Terminology Relating to Plastics

    D1600 Terminology for Abbreviated Terms Relating to Plastics

    D2857 Practice for Dilute Solution Viscosity of Polymers

    D3418 Test Method for Transition Temperatures and Enthalpies of Fusion and Crystallization of Polymers by Differential Scanning Calorimetry

    D3641 Practice for Injection Molding Test Specimens of Thermoplastic Molding and Extrusion Materials

    D3801 Test Method for Measuring the Comparative Burning Characteristics of Solid Plastics in a Vertical Position

    D3835 Test Method for Determination of Properties of Polymeric Materials by Means of a Capillary Rheometer

    D3892 Practice for Packaging/Packing of Plastics

    D4000 Classification System for Specifying Plastic Materials

    D5225 Test Method for Measuring Solution Viscosity of Polymers with a Differential Viscometer

    D5630 Test Method for Ash Content in Plastics

    D5740 Guide for Writing Material Standards in the Classification Format


    UNSPSC Code

    UNSPSC Code 13111020(Polyphthalamide resin)


    Referencing This Standard

    DOI: 10.1520/D5336-15

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM D5336-15, Standard Classification System and Basis for Specification for Polyphthalamide (PPA) Injection Molding Materials, ASTM International, West Conshohocken, PA, 2015, www.astm.org

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