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ASTM D3485-02

(Specification)

Standard Specification for Smooth-Wall Coilable Polyethylene (PE) Conduit (Duct) for Preassembled Wire and Cable (Withdrawn 2011)

Standard Specification for Smooth-Wall Coilable Polyethylene (PE) Conduit (Duct) for Preassembled Wire and Cable (Withdrawn 2011)

ABSTRACT
This specification covers materials, dimensions, workmanship, and performance tests for medium-density and high-density smooth-wall coilable polyethylene conduit (duct) for preassembled electrical wires and cables. The polyethylene extrusion compounds shall be tested for conformance to the tensile strength, elongation, brittleness temperature, melt index, crack resistance to environmental and thermal stresses, compression and recovery, and mechanical impact requirements. The smooth-wall coilable duct shall meet the wall thickness, outside diameter, and bending radius specifications.
SCOPE
1.1 This specification covers materials, dimensions, and workmanship, and performance tests for medium-density and high-density smooth-wall coilable polyethylene (PE) conduit (duct) containing electrical wires or cables, or both, preassembled by the manufacturer.
Note 1—The end user may elect to assemble the conduit and the wire or cable system in the field.
1.2 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.
WITHDRAWN RATIONALE
This specification covers materials, dimensions, and workmanship, and performance tests for medium-density and high-density smooth-wall coilable polyethylene (PE) conduit (duct) containing electrical wires or cables, or both, preassembled by the manufacturer.  
Formerly under the jurisdiction of Committee F17 on Plastic Piping Systems, this specification was withdrawn in July 2011 in accordance with section 10.6.3.1 of the Regulations Governing ASTM Technical Committees, which requires that standards shall be updated by the end of the eighth year since the last approval date.

General Information

Status
Historical
Publication Date
09-Mar-2002
Withdrawal Date
11-Jul-2011
ICS
29.035.20 - Plastics and rubber insulating materials
Technical Committee
F17 - Plastic Piping Systems
Drafting Committee
F17.26 - Olefin Based Pipe
Current Stage
Ref Project

Relations

Replaces
ASTM D3485-97 - Standard Specification for Smooth-Wall Coilable Polyethylene (PE) Conduit (Duct) for Preassembled Wire and Cable
Effective Date
10-Mar-2002

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ASTM D3485-02 - Standard Specification for Smooth-Wall Coilable Polyethylene (PE) Conduit (Duct) for Preassembled Wire and Cable (Withdrawn 2011)ASTM D3485-02 - Standard Specification for Smooth-Wall Coilable Polyethylene (PE) Conduit (Duct) for Preassembled Wire and Cable (Withdrawn 2011)
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ASTM D3485-02 - Standard Specification for Smooth-Wall Coilable Polyethylene (PE) Conduit (Duct) for Preassembled Wire and Cable (Withdrawn 2011)
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
An American National Standard
Designation: D3485 – 02
Standard Specification for
Smooth-Wall Coilable Polyethylene (PE) Conduit (Duct) for
1
Preassembled Wire and Cable
This standard is issued under the fixed designation D3485; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
4
1. Scope National Electrical Code
1.1 This specification covers materials, dimensions, and
3. Significance and Use
workmanship, and performance tests for medium-density and
3.1 PE duct must have smooth surfaces to facilitate the
high-density smooth-wall coilable polyethylene (PE) conduit
installationandremovalofelectricalwireandcable.Itmustbe
(duct) containing electrical wires or cables, or both, preas-
capable of being manufactured and coiled (reeled) in continu-
sembled by the manufacturer.
ous lengths, transported, and subsequently uncoiled for instal-
NOTE 1—The end user may elect to assemble the conduit and the wire
lation or further processing, or both, without affecting its
or cable system in the field.
properties or performance.
1.2 Whenever two sets of values are presented, in different
4. Application and Installation
units, the values in the first set are the standard, while those in
parentheses are for information only. 4.1 PE duct is suitable for underground electrical distribu-
tion systems utilizing insulations suitable for use at conductor
2. Referenced Documents
temperatures not exceeding 90°C (190°F) for normal opera-
2
2.1 ASTM Standards:
tion. The minimum recommended installation temperature for
D638 Test Method for Tensile Properties of Plastics
the PE duct is−25°C (−13°F), however, depending on the type
D746 Test Method for Brittleness Temperature of Plastics
of wire or cable installed in the duct, a higher installation
and Elastomers by Impact
temperature may be required.
D1238 Test Method for Melt Flow Rates ofThermoplastics
5. Extrusion Compounds
by Extrusion Plastometer
D1248 Specification for Polyethylene Plastics Extrusion
5.1 The PE-extrusion compounds shall be either medium-
Materials for Wire and Cable density Type II, Class C, or high-density Type III, Class C, as
D1693 Test Method for Environmental Stress-Cracking of
described in Specification D1248, and in addition meet the
Ethylene Plastics requirements shown inTable 1. Remove the electrical wires or
D2951 Test Method for Resistance of Types III and IV
cables, or both, from the duct before testing.
3
Polyethylene Plastics to Thermal Stress-Cracking
6. Finished PE Duct
D6070 Test Methods for Physical Properties of Smooth-
Wall, Coilable, Polyethylene (PE) Conduit (Duct) for 6.1 Workmanship—Coilable PE duct shall be free of visible
Preassembled Wire and Cable cracks, holes, foreign inclusions, or other physical defects that
2.2 Other Document: would detract from its performance. It shall be as uniform as
practicable in dimensions, smoothness, density, and other
physical properties.
1
This specification is under the jurisdiction ofASTM Committee F17 on Plastic
6.2 Dimensions—Smooth-wall coilable PE duct shall have
Piping Systems and is the direct responsibility of Subcommittee F17.26 on Olefin
the dimensions prescribed in Table 2.
Based Pipe.
Current edition approved March 10, 2002. Published June 2002. Originally
published as D3485–76. Last previous edition D3485–97. DOI: 10.1520/D3485- 7. Duct Size Selection
02.
2 7.1 Use this section only as a guide.Actual duct sizes must
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
be agreed to between the seller and the purchaser.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
3 4
Withdrawn. The last approved version of this historical standard is referenced
Available from National Fire Protection Association (NFPA), 1 Batterymarch
on www.astm.org. Park, Quincy, MA 02169-7471, http://www.nfpa.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
D3485 – 02
TABLE 1 Requirements for PE Extruded Compounds
Property Test Method Type II Type III
A
Tensile strength, min, psi (MPa) D638 2500 (17.2) 2800 (19.3)
A
Elongation, min, % D638 350 350
Brittleness temperature, max, °C D746 −75 −75
Melt index, max D1238 Table number 1 Condition E 0.5 0.5
B C
Environmental stress − crack resistance, min, F ,h D1693 Condition B 48 48
20
C
Thermal stress − crack resistance without cracking, min, h D2951 168
Compression and recovery, min %, within 10 min D6070 85 85
...

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This specification covers crosslinked polymer insulation material consisting substantially of polyethylene or a polyethylene copolymer for electrical wires and cables in conductor, suitable for continuous use on power cables in wet and dry locations, having specified sizes and operating at specified voltage ratings and conductor temperatures. Materials covered by this specification are not sunlight and weather resistant unless they are carbon black pigmented or contain an additive system designed for this protection. Since the insulation cannot be tested unless it has been formed around a conductor, tests shall then be done on insulated wire solely to determine the relevant property of the insulation and not to test the conductor or completed cable. Materials shall meet the physical properties as follows: unaged tensile strength and elongation at rupture; tensile strength and elongation at rupture after air oven aging; heat distortion; filled and unfilled percent hot creep; and filled and unfilled percent hot set. Insulations shall also perform satisfactorily during tests for AC and DC voltage, insulation resistance, and accelerated water absorption.
SCOPE
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ABSTRACT
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SCOPE
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4.1 A Rockwell hardness number is a number derived from the net increase in depth impression as the load on an indenter is increased from a fixed minor load to a major load and then returned to a minor load (Procedure A). A Rockwell alpha (α) hardness number represents the maximum possible remaining travel of a short-stroke machine from the net depth of impression, as the load on the indenter is increased from a fixed minor load to a major load (Procedure B). Indenters are round steel balls of specific diameters. Rockwell hardness numbers are always quoted with a scale symbol representing the indenter size, load, and dial scale used. This test method is based on Test Methods E18. Procedure A (Section 11) yields the indentation of the specimen remaining 15 s after a given major load is released to a standard 10-kg minor load. Procedure B (Section 12) yields the indentation of the indenter into the specimen after a 15-s application of the major load while the load is still applied. Each Rockwell scale division represents 0.002-mm (0.00008-in.) vertical movement of the indenter. In practice, the Rockwell hardness number is derived from the following relationship:  
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1.2 This standard and IEC-60684-3-100 to -105 address the same subject matter but differ in technical content.  
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.  
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ABSTRACT
This specification covers the acceptance testing of insulating rubber matting that are used as a floor covering for the personal protection of workers. The sheeting shall be made from any elastomer or combination of elastomeric compounds. Two types of matting, differing in chemical and physical characteristics, are provided and are designated as Type I, which has been properly vulcanized, and Type II, which has one or more of the following special properties: (A) ozone resistance; (B) flame resistance; and (C) oil resistance. Five classes of matting, designated as Classes 0, 1, 2, 3, and 4, are assigned according to electrical protection characteristics. When evaluated in accordance with the test procedures detailed herein, the matting shall adhere to the following property requirements: electrical properties such as phase-phase maximum use voltage, AC and DC proof-test voltages, AC and DC dielectric breakdown test voltages, and AC and DC electrode clearances; an physical and chemical properties such as moisture absorption, oil resistance, tensile strength, tension set, elongation, resistance to accelerated heat aging, and flame resistance.
SIGNIFICANCE AND USE
X1.3 Significance and Use
X1.3.1 Tests made on a cellular plastic under conditions herein prescribed can be of considerable value in comparing the rate of burning and/or extent and time of burning of different materials, in controlling manufacturing processes, or as a measure of deterioration or change in burning characteristics prior to or during use.
X1.3.2 This test method is not intended to be a criterion for fire hazard. The fire hazard created by materials depends upon the form and end use of the material. Assessment of fire hazard includes, but is not limited to, many factors, such as, ease of ignition, burning rate, flame spread, fuel contribution, intensity of burning, and products of combustion.
SCOPE
1.1 This specification covers acceptance testing of rubber insulating matting for use as a floor covering for protection of workers.  
1.2 Two types of matting, differing in chemical and physical characteristics, are provided and are designated as Type I and Type II matting.  
1.3 The following safety hazards caveat applies only to the test method portion, Sections 17 to 19, of this specification: 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
Note 1: Rubber insulating matting should remain flexible for use through normal temperature ranges.
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3 – 10  
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1.3 Units—The values stated in SI units are the standard. The inch-pound units in parentheses are for information only. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.  
1.4 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  For a specific hazard statement see 23.1.1.  
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SIGNIFICANCE AND USE
5.1 This test method is particularly suitable for quality control in the application of insulating coatings.  
5.2 Surface insulation resistivity is evaluated from a dc current that can range from 0 (perfect insulator) to 1 A (perfect conductor).  
5.3 Single readings should not be considered significant since the nature of the test device and specimen are such that successive measurements of a specimen often yield different values.
SCOPE
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