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ASTM D4732-93(1998)

(Specification)

Standard Specification for Cool-Application Filling Compounds for Telecommunications Wire and Cable

Standard Specification for Cool-Application Filling Compounds for Telecommunications Wire and Cable

SCOPE
1.1 This specification covers a variety of compounds used for filling the air spaces in telecommunications wires and cables (both electrical and fiber optic) for the purpose of preventing water and other undesirable fluids from entering or migrating through the cable structure. (For related standards see Specifications D4730 and D4731.)
1.2 A cool-application compound is a material that has sufficiently low viscosity that it does not require heating.
1.3 The values stated in SI units are the standard.

General Information

Status
Historical
Publication Date
09-Feb-1998
ICS
33.120.10 - Coaxial cables. Waveguides
Technical Committee
D09 - Electrical and Electronic Insulating Materials
Current Stage
Ref Project

Relations

Replaced By
ASTM D4732-02 - Standard Specification for Cool-Application Filling Compounds for Telecommunications Wire and Cable
Effective Date
10-Sep-2002

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ASTM D4732-93(1998) - Standard Specification for Cool-Application Filling Compounds for Telecommunications Wire and CableASTM D4732-93(1998) - Standard Specification for Cool-Application Filling Compounds for Telecommunications Wire and Cable
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Technical specification
ASTM D4732-93(1998) - Standard Specification for Cool-Application Filling Compounds for Telecommunications Wire and Cable
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3 pages
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Standards Content (Sample)


Designation: D 4732 – 93 (Reapproved 1998)
AMERICAN SOCIETY FOR TESTING AND MATERIALS
100 Barr Harbor Dr., West Conshohocken, PA 19428
Reprinted from the Annual Book of ASTM Standards. Copyright ASTM
Standard Specification for
Cool-Application Filling Compounds for
Telecommunications Wire and Cable
This standard is issued under the fixed designation D 4732; 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 942 Test Method for Oxidation Stability of Lubricating
Greases by the Oxygen Bomb Method
1.1 This specification covers a variety of compounds used
D 972 Test Method for Evaporation Loss of Lubricating
for filling the air spaces in telecommunications wires and
Greases and Oils
cables (both electrical and fiber optic) for the purpose of
D 1264 Test Method for Determining the Water Washout
preventing water and other undesirable fluids from entering or
Characteristics of Lubricating Greases
migrating through the cable structure. (For related standards
D 1500 Test Method for ASTM Color of Petroleum Prod-
see Specifications D 4730 and D 4731.)
ucts (ASTM Color Scale)
1.2 A cool-application compound is a material that has
D 1742 Test Method for Oil Separation from Lubricating
sufficiently low viscosity that it does not require heating.
Grease During Storage
1.3 The values stated in SI units are the standard.
D 1743 Test Method for Corrosion Preventive Properties of
2. Referenced Documents Lubricating Greases
D 2161 Practice for Conversion of Kinematic Viscosity to
2.1 ASTM Standards:
Saybolt Universal Viscosity or to Saybolt Furol Viscosity
D 6 Test Method for Loss on Heating of Oil and Asphaltic
D 3895 Test Method for Oxidative Induction Time of Poly-
Compounds
olefins by Thermal Analysis
D 88 Test Method for Saybolt Viscosity
D 3954 Test Method for Dropping Point of Waxes
D 92 Test Method for Flash and Fire Points by Cleveland
D 4565 Test Methods for Physical and Environmental Per-
Open Cup
formance Properties of Insulations and Jackets for Tele-
D 97 Test Method for Pour Point of Petroleum Oils
communications Wire and Cable
D 127 Test Method for Drop Melting Point of Petroleum
D 4568 Test Methods for Evaluating Compatibility Be-
Wax Including Petrolatum
tween Cable Filling and Flooding Compounds and Poly-
D 150 Test Methods for A-C Loss Characteristics and
olefin Cable Materials
Permittivity (Dielectric Constant) of Solid Electrical Insu-
D 4730 Specification for Flooding Compounds for Tele-
lating Materials
communications Wire and Cable
D 217 Test Methods for Cone Penetration of Lubricating
D 4731 Specification for Hot-Application Filling Com-
Grease
pounds for Telecommunications Wire and Cable
D 257 Test Methods for D-C Resistance or Conductance of
D 4872 Test Method for Dielectric Testing of Wire and
Insulating Materials
Cable Filling Compounds
D 445 Test Method for Kinematic Viscosity of Transparent
and Opaque Liquids (and the Calculation of Dynamic
3. Terminology
Viscosity)
3.1 Descriptions of Terms Specific to This Standard:
D 566 Test Method for Dropping Point of Lubricating
3.1.1 filling material—any of several materials used to fill
Grease
the air spaces in the cores of multi-conductor insulated wires
D 938 Test Method for Congealing Point of Petroleum
and cables, or between buffer tubes covering optical fibers, or
Waxes, Including Petrolatum
within such buffer tubes, or any combination of these configu-
rations and any other cable components, for the purpose of
excluding water and other undesirable fluids; especially with
This specification is under the jurisdiction of ASTM Committee D-9 on
regard to telecommunications wire and cable, including optical
Electrical and Electronic Insulating Materials and is the direct responsibility of
Subcommittee D09.18 on Solid Insulations, Non-Metallic Shieldings and Coverings
cable, intended for outside aerial, buried, or underground
for Electrical and Telecommunications Wires and Cables.
installations.
Current edition approved July 15, 1993. Published October 1993. Originally
published as D 4732 – 87.
2 5
Annual Book of ASTM Standards, Vol 04.04. Annual Book of ASTM Standards, Vol 08.02.
3 6
Annual Book of ASTM Standards, Vol 05.01. Annual Book of ASTM Standards, Vol 15.04.
4 7
Annual Book of ASTM Standards, Vol 10.01. Annual Book of ASTM Standards, Vol 10.02.
D 4732
3.1.2 producer—the primary manufacturer of the material. instrumentation used and as agreed upon between producer and
3.1.3 suppliers—jobbers and distributors as distinct from purchaser.
producers. 8.1.1 When tested, in accordance with Test Method D 150
or D 4872, at a temperature of 23 6 3°C, the dissipation factor
4. Classification
shall not exceed 0.0010 at a frequency of 1 MHz and the
4.1 Two basic types of filling compounds are covered, as
permittivity shall not exceed 2.30.
follows: 8.1.2 When tested, in accordance with Test Method D 257,
4.1.1 Type I—General-purpose filling compounds include
at a temperature of 23 6 3°C, the volume resistivity shall be
all materials to be used for filling cables which are not required not less than 10 V·cm.
to function under electrical stress (for example, all-dielectric
9. General Requirements
fiber-optic cable), including filling compounds for fiber-optic
9.1 All filling compounds manufactured in accordance with
loose buffer tubes.
this specification shall meet the following requirements:
4.1.2 Type II—Electrical-type filling compounds include
9.1.1 Homogeneity—The compound shall be homogeneous
materials having prescribed electrical properties and used for
and free of agglomerates.
filling wires and cables that are required to function fully or
9.1.2 Color and Opacity—The compound shall be as nearly
partially under electrical stress (including hybrid fiber-optic
colorless as is commercially feasible, consistent with the
cable).
requirements of the end products for which the filling com-
5. Ordering Information pound is intended. In general, identification of cable members
coated with filling compound shall not be significantly inhib-
5.1 Orders for material under this specification shall include
ited because of filling compound color or opacity.
the following information.
9.1.3 Color Stability—After aging a specimen of filling
5.1.1 Quantity (mass or volume) for each item,
compound in a suitable container for a period of 120 6 1h(5
5.1.2 Generic name of the material, such as cool-application
days) at a temperature of 130°C (266°F) in a static air oven,
cable filling material,
measure the compound color in accordance with Test Method
5.1.3 Type of Material: Type I, General Purpose, or Type II,
D 1500. Unless otherwise specified, the color of the aged
Electrical,
compound shall not exceed 2.5.
5.1.4 How Furnished: D
...

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1.4.1 Non-SI units are provided in Table 1 and Table 2 and in 7.1.2.1/7.1.2.2 because these are common units used in the industry.
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