ASTM D3965 - 11

    Standard Classification System and Basis for Specifications for Rigid Acrylonitrile-Butadiene-Styrene (ABS) Materials for Pipe and Fittings

    Active Standard ASTM D3965 | Developed by Subcommittee: D20.15

    Book of Standards Volume: 08.02

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    This specification covers materials made from only virgin ABS polymers and blends of ABS polymers suitable for use in the extrusion of pipe and molding of fittings. ABS polymers and blends of ABS polymers shall be classified according to cell limits: Cell 0; Cell 1; Cell 2; Cell 3; Cell 4; and Cell 5. The ABS material shall be produced by polymerization of the monomers, acrylonitrile, butadiene, and styrene, or their closely related chemical derivatives, or from a blend of ABS polymers from those monomers. The blend of ABS polymers can be intimately mixed by melt compounding, or it can be a homogeneous physical mixture of discrete ABS polymers. Materials shall be measured using techniques in accordance with the following test methods: impact testing; deflection temperature under load; tensile stress at yield point; modulus of elasticity in tension; and specific gravity.

    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 materials made from only virgin ABS polymers and blends of ABS polymers suitable for use in the extrusion of pipe and molding of fittings.

    1.2 The requirements of this classification system are applicable only to the ABS polymers and blends of ABS polymers as classified and do not address the requirements of the finished pipe or fittings. The applicable ASTM standard specification for pipe or fittings shall be consulted for their requirements.

    1.3 This classification system excludes ABS polymers and blends of ABS polymers made from reprocessed, regrind, reclaimed, or recycled materials. ABS rework, generated in-house by the original plastic manufacturer, may be used by that original manufacturer, provided the ABS product shipped meets the physical and mechanical properties required by its callout in Table 1.

    1.4 This classification system and subsequent line callout (specification) provides a means for describing ABS materials used in the manufacture of pipe and fittings. It is not intended for the selection of materials. Material selection shall be made by those having expertise in the plastics field 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 inherent properties of the material other than those covered by this classification system, and the economics.

    1.5 This classification system and subsequent line callout (specification) provides for the classification of ABS polymers and blends of ABS polymers into groups based on five properties: Izod impact strength at room temperature, Izod impact strength at low temperature, deflection temperature under load, tensile stress at yield point, and modulus of elasticity in tension. The properties included are those required to identify the ABS material by the cell classifications.

    Note 1—Other requirements necessary to identify particular characteristics of ABS polymers and blends of ABS polymers will be added as test methods become available or the need is identified.

    Note 2—Due to pipe and fitting standards requirements a separate standard is planned for recycled materials.

    Note 3—This classification system and ISO 7245-1984 are not equivalent.

    1.6 The values stated in SI units shall be the standard. The values given in parentheses are for information only.

    1.7 The following safety hazards caveat pertains only to the test methods portion, Section 13, 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.

    TABLE 1 Physical Property Requirements for ABS Pipe and Fitting Materials

    Note—The minimum property value for any material will determine the cell number although the maximum expected value may fall within the next higher cell.

    Test Method
    Cell Limits
    Izod impact, min:D256, Test Method A, Cantilever Beam (Izod-Type) Test
    at 23°C (73°F), J/mA110 160 210 320 430
    (ft-lbf/in. of notch)A(2)(3)(4)(6)(8)
    at 30°C (22°F), J/mA50 110 160 210 270
    (ft-lbf/in. of notch)A(1)(2)(3)(4)(5)
    Deflection temperature under load,
    min, 1.82 MPa, (264 psi)
    annealed, 3.18 mm (0.125 in.)
    °CA76 82 88 93 99
    Tensile stress at yield point, min:D638
    MPaA24 31 38 45 52
    Modulus of elasticity in tension,
    MPaA1380 1650 1930 2210 2480
    (psi)A(200 000)(240 000)(280 000)(320 000)(360 000)

    A Unspecified.

    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

    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

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

    D3892 Practice for Packaging/Packing of Plastics

    D4000 Classification System for Specifying Plastic Materials

    D5947 Test Methods for Physical Dimensions of Solid Plastics Specimens

    F412 Terminology Relating to Plastic Piping Systems

    ISO Standard

    ISO 7245-1984 Pipes and Fittings of Acrylonitrile- Butadiene-Styrene (ABS)--General Specification for Moulding and Extrusion Materials Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036.

    ICS Code

    ICS Number Code 23.040.20 (Plastic pipes); 23.040.45 (Plastic fittings)

    UNSPSC Code

    UNSPSC Code 40171519(Commercial ABS pipe)

    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/D3965-11

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM D3965-11, Standard Classification System and Basis for Specifications for Rigid Acrylonitrile-Butadiene-Styrene (ABS) Materials for Pipe and Fittings, ASTM International, West Conshohocken, PA, 2011,

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