ASTM D4568-99

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An American National Standard
Designation: D 4568 – 99
Standard Test Methods for
Evaluating Compatibility Between Cable Filling and
Flooding Compounds And Polyolefin Wire and Cable
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Materials
This standard is issued under the fixed designation D 4568; 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 4731 Specification for Hot-Application Filling Com-
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pounds for Telecommunications Wire and Cable
1.1 These test methods evaluate the compatibility between
D 4732 Specification for Cool-Application Filling Com-
cable filling or cable flooding compounds, or both, and
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pounds for Telecommunications Wire and Cable
polyolefin materials used in the manufacture of wire and cable
D 5423 Specification for Forced-Convection Laboratory
that are usually in intimate contact with the filler or floodant, or
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Ovens for Evaluation of Electrical Insulation
both.
1.2 These test methods are useful to ensure compatibility
3. Terminology
and to verify that new formulations of filling or flooding
3.1 Definitions:
compounds will have no deleterious effect upon the other
3.1.1 For definitions of terms used in these test methods,
polyolefin materials being used or, conversely, use these
refer to Terminology D 1711
methods to ensure that other polyolefin wire and cable mate-
3.2 Definitions of Terms Specific to This Standard:
rials are evaluated for possible use not degraded by contact
3.2.1 aging (act of), n—exposure of materials to filling or
with fillers or floodants already in use.
flooding compound at a specified temperature for a specified
1.3 Whenever two sets of values are presented, in different
time.
units, the values in the first set are the standard, while those in
3.2.2 filling compound—any of several materials (see
parentheses are for information only.
Specifications D 4731 and D 4732) used to fill the air spaces in
1.4 This standard does not purport to address all of the
the cores of multi-conductor insulated wires and cables for the
safety concerns, if any, associated with its use. It is the
purpose of excluding air or moisture or both; especially with
responsibility of the user of this standard to establish appro-
regard to telecommunications wire and cable intended for
priate safety and health practices and determine the applica-
direct burial.
bility of regulatory limitations prior to use.
3.2.3 flooding compound—any of several materials (see
2. Referenced Documents Specification D 4730) used to flood wire or cable sheath
interfaces (for example, the region between core wrap and a
2.1 ASTM Standards:
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shield, between a shield and a jacket, etc.) to eliminate or to
D 1711 Terminology Relating to Electrical Insulation
minimize normal voids or air spaces in these areas; especially
D 1928 Practice for Preparation of Compression-Molded
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with regard to telecommunications wire and cable intended for
Polyethylene Test Sheets and Test Specimens
direct burial.
D 2633 Test Methods for Thermoplastic Insulations and
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Jackets for Wire and Cable
4. Significance and Use
D 4730 Specification for Flooding Compounds for Tele-
4 4.1 Cable filling and flooding compounds are normally
communications Wire and Cable
semi-solid at room temperature and fluid in varying degrees at
elevated temperatures. They are normally applied in a liquid
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These test methods are under the jurisdiction of ASTM Committee D-9 on state and at an elevated temperature during wire and cable
Electrical and Electronic Insulating Materials and are the direct responsibility of
manufacturing. The completed finished wire or cable is ex-
Subcommittee D09.18 on Solid Insulations, Nonmettalic Shieldings, and Coverings
posed to various ambient conditions during its useful life. If not
for Electrical Wires and Cables. Members of ASTM Committee D-2 on Petroleum
carefully selected, components of filling or flooding com-
Products and Lubricants, and ASTM Committee B-7 on Light Metals and Alloys,
have contributed to these test methods.
pounds may act to degrade the materials they contact, short
Current edition approved April 10, 1999. Published June 1999. Originally
term or long term. The following methods are intended to
published as D 4568 – 86. Last previous edition D 4568 – 93.
2 minimize the chances of such problems occurring.
Annual Book of ASTM Standards, Vol 10.01.
3
Annual Book of ASTM Standards, Vol 08.01.
4
Annual Book of ASTM Standards, Vol 10.02.
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D 4568
4.2 Some of the effects that might occur include, but
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