ASTM D3149 - 06(2013)

    Standard Specification for Crosslinked Polyolefin Heat-Shrinkable Tubing for Electrical Insulation

    Active Standard ASTM D3149 | Developed by Subcommittee: D09.07

    Book of Standards Volume: 10.02


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    ASTM D3149

    Abstract

    This specification covers flexible and semirigid crosslinked polyolefin heat-shrinkable tubing used for electrical insulating purposes. It is in its expanded form and will shrink to its extruded diameter when heated. The tubing has been classified into four types according to flame retardancy, flexibility, opaqueness, and secant modulus: Type I, Type II, Type III, and Type IV. The compound used in the manufacture of heat-shrinkable tubing shall be modified polyolefin resin, and the finished compound shall be free of all foreign matter other than intended formulation additives as appropriate. The tubing shall be extruded, cross-linked, and then expanded to the required dimensions. The following chemical properties of the material shall be determined: corrosion, fluid resistance, flammability, and water absorption. Physical properties of tubing like restricted shrinkage, dielectric strength, heat shock, low-temperature flexibility, tensile strength, elongation, heat resistance, color, color stability, specific gravity, volume resistivity, secant modulus, copper contact corrosion, and copper stability shall be determined.

    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 specification covers flexible and semirigid crosslinked polyolefin heat-shrinkable tubing used for electrical insulating purposes. It is supplied in an expanded form and will shrink to its extruded diameter when heated.

    Note 1This standard is similar to but not identical to IEC 60684–3–209, –211 and –212.

    1.2 The values stated in inch-pound units are to be regarded as the standard except temperature, which shall be stated in degrees Celsius. Values in parentheses are for information only.


    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

    D910 Specification for Aviation Gasolines

    D1711 Terminology Relating to Electrical Insulation

    D2671 Test Methods for Heat-Shrinkable Tubing for Electrical Use

    D3636 Practice for Sampling and Judging Quality of Solid Electrical Insulating Materials

    E176 Terminology of Fire Standards


    ICS Code

    ICS Number Code 29.035.20 (Plastic and rubber insulating materials); 83.140.10 (Films and sheets)

    UNSPSC Code

    UNSPSC Code 13102032(Thermoplastic polyolefin TPO)


    DOI: 10.1520/D3149

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