ASTM D3004-02
(Specification)Standard Specification for Extruded Crosslinked and Thermoplastic Semi-Conducting, Conductor and Insulation Shielding Materials
Standard Specification for Extruded Crosslinked and Thermoplastic Semi-Conducting, Conductor and Insulation Shielding Materials
SCOPE
1.1 This specification covers extruded crosslinked and thermoplastic semi-conducting, conductor and insulation shielding materials for electrical wires and cables.
1.2 The materials covered are not compatible with hydrocarbon derivatives of a swelling or deteriorating nature.
1.3 Whenever two sets of values are presented, in different units, the values in the first set are the standard, while those in parentheses are for information only.
1.4 In many instances, the electrical properties of the shielding material are strongly dependent on processing conditions. For this reason, in this specification the material is sampled from cable. Therefore, tests are done on shielded wire in this standard solely to determine the relevant property of the shielding material and not to test the conductor or completed cable.
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An American National Standard
Designation: D 3004 – 02
Standard Specification for
Extruded Crosslinked and Thermoplastic Semi-Conducting,
1
Conductor and Insulation Shielding Materials
This standard is issued under the fixed designation D 3004; 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.
1. Scope D 6095 Test Method for Volume Resistivity for Extruded
Crosslinked and Thermoplastic Semi-Conducting, Con-
1.1 This specification covers extruded crosslinked and ther-
6
ductor and Insulation Shielding Materials
moplastic semi-conducting, conductor and insulation shielding
materials for electrical wires and cables.
3. Terminology
1.2 The materials covered are not compatible with hydro-
3.1 Definitions: For definitions of terms used in this speci-
carbon derivatives of a swelling or deteriorating nature.
fication, refer to Terminology D 1711.
1.3 Whenever two sets of values are presented, in different
3.2 Definitions of Terms Specific to This Standard:
units, the values in the first set are the standard, while those in
3.2.1 aging (act of), n—the exposure of materials to an
parentheses are for information only.
environment for an interval of time.
1.4 In many instances, the electrical properties of the
3.2.2 semi-conducting, adj—moderately conductive; see
shielding material are strongly dependent on processing con-
Terminology D 1711 and Test Method D 4496.
ditions. For this reason, in this specification the material is
sampled from cable. Therefore, tests are done on shielded wire
4. Physical Properties
in this standard solely to determine the relevant property of the
4.1 The shielding material, when processed into molded
shielding material and not to test the conductor or completed
slabs, in accordance with Practice D 1928 Procedure C, the
cable.
Sampling Section of Specification D 2647, and Practices
D 3182 and D 3183, depending on the type of material being
2. Referenced Documents
tested, shall conform to the requirements for physical proper-
2.1 ASTM Standards:
2 ties specified in Table 1.
D 1711 Terminology Relating to Electrical Insulation
D 1928 Practice for Preparation of Compression-Molded
5. Electrical Requirements
3
Polyethylene Test Sheets and Test Specimens
4 5.1 Volume Resistivity—When the extruded conductor and
D 2647 Specification for Crosslinkable Ethylene Plastics
insulation shielding is sampled and tested in accordance with
D 3182 Practice for Rubber—Materials, Equipment, and
Test Method D 6095, the volume resistivity at the rated
Procedures for Mixing Standard Compounds and Prepar-
temperature of the insulation shall be not greater than 100 000
5
ing Standard Vulcanized Sheets
...







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