ASTM D922-00a

Standard Specification for Nonrigid Vinyl Chloride Polymer Tubing

SCOPE
1.1 This specification covers nonrigid tubing of vinyl chloride polymer or its copolymers with other materials for use in electrical insulation in three grades, as follows:
1.1.1 Grade A--General-purpose.
1.1.2 Grade B--Low-temperature.
1.1.3 Grade C--High-temperature.
Note 1--This standard is similar but not identical to IEC 60684-3-100 to -105.

General Information

• Status: Historical
• Publication Date: 09-Sep-2000
• ICS: 29.035.20 - Plastics and rubber insulating materials
• Technical Committee: D09 - Electrical and Electronic Insulating Materials
• Drafting Committee: D09.07 - Electrical Insulating Materials

Relations

• Replaced By: ASTM D922-00a(2006) - Standard Specification for Nonrigid Vinyl Chloride Polymer Tubing
• Effective Date: 01-Apr-2006

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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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: D 922 – 00a
Standard Specification for
Nonrigid Vinyl Chloride Polymer Tubing
This standard is issued under the fixed designation D922; 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 (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope 4.1.2 Size and color,
4.1.3 Total length in feet (or metres),
1.1 This specification covers nonrigid tubing of vinyl chlo-
4.1.4 Length of cut pieces in inches (or centimetres), if any,
ride polymer or its copolymers with other materials for use in
and
electrical insulation in three grades, as follows:
4.1.5 Amount of tubing on each spool or in each coil, if not
1.1.1 Grade A—General-purpose.
standard packaging with the supplier.
1.1.2 Grade B—Low-temperature.
1.1.3 Grade C—High-temperature.
5. Color
NOTE 1—This standard is similar but not identical to IEC 60684-3-100
5.1 Clear transparent, black, white, yellow, green, blue, and
to -105.
red shall be considered standard colors. Other colors shall be
considered special. The color desired shall be specified in the
2. Referenced Documents
purchase order.
2.1 ASTM Standards:
D876 Test Methods for Nonrigid Vinyl Chloride Polymer
6. Dimensional Requirements
Tubing Used for Electrical Insulation
6.1 Inside Diameter—The inside diameter of the tubing
D1711 Terminology Relating to Electrical Insulation
shall conform to the requirements prescribed in Table 1 or
D3636 Practice for Sampling and Judging Quality of Solid
Table 2.
Electrical Insulating Materials
6.2 Wall Thickness—The wall thickness of the tubing shall
E176 Terminology of Fire Standards
conform to the requirements prescribed in Table 1 or Table 2.
2.2 IEC Standards:
6.3 Commercial Lengths—The tubing shall be supplied in
IEC-60684-3-100 to -105 Flexible insulating sleeving, Part
continuous lengths.
3, Sheets 100 to 105: Extruded PVC sleeving
7. Workmanship, Finish, and Appearance
3. Terminology
7.1 The surface shall be smooth, free of blisters, cracks, or
3.1 Definitions:
anyotherdefectsthatmaydetrimentallyaffectitssuitabilityfor
3.1.1 Fordefinitionspertainingtoelectricalinsulation,refer
the service intended. It shall not be subject to peeling, scaling,
to Terminology D1711.
or flaking.
3.1.2 For definitions pertaining to fire standards, refer to
Terminology E176.
8. Physical and Electrical Requirements
8.1 Tubing shall conform to the following requirements for
4. Ordering Information
physical and electrical properties:
4.1 Orders for material covered by this specification shall
8.1.1 Flammability—The average duration of burning shall
include the following:
notexceed15sandthepaperindicatorshallshownoevidence
4.1.1 Grade of tubing,
of being affected.
8.1.2 Tensile Strength—The average tensile strength shall
1 benotlessthan2000psi(15MPa)forGradesAandC,andnot
This specification is under the jurisdiction of ASTM Committee D09 on
Electrical and Electronic Insulating Materials and is the direct responsibility of lessthan1800psi(13MPa)forGradeB.Theaverageultimate
Subcommittee D09.07 on Flexible and Rigid Insulating Materials.
elongationshallbenotlessthan200%forGradesAandCand
Current edition approved Sept. 10, 2000. Published November 2000. Originally
not less than 250% for Grade B.
published as D922–47T. Last previous edition D922–00.
8.1.3 Effect of Elevated Temperatures— When MethodAis
Annual Book of ASTM Standards, Vol 10.01.
Annual Book of ASTM Standards, Vol 10.02.
used, the average loss of ultimate elongation after exposure to
Annual Book of ASTM Standards, Vol 04.07.
elevatedtemperaturesshallbenotgreaterthan35%forGrades
AvailablefromtheAmericanNationalStandardsInstitute,11W.42ndSt.,13th
Floor, New York, NY 10036.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
D 922 – 00a
A,B
TABLE 1 Dimensional Tolerances of Tubing
8.1.9 Dielectric Breakdown at High Humidity—The aver-
Inside Diameter, in. Wall Thickness age dielectric breakdown strength at 96% relative humidity
shallbenotlessthan90%forGradeA,75%forGradeB,and
Tolerances,
Specified Size
Wall Thick-
max min plus or
85% for Grade C of the dry value obtained on test.
ness, in.
minus, in.
8.1.10 Strain Relief—Thechangeinlength(shrinkage)shall
No. 24 (0.022 in.) 0.027 0.020 0.012 0.002
not exceed 18% for sizes AWG No. 24 to No. 20, inclusive;
No. 22 (0.027 in.) 0.032 0.025 0.012 0.002
14% for sizesAWG No. 18 to 10, inclusive; and 9% for sizes
No. 20 (0.034 in.) 0.039 0.032 0.016 0.003
No. 18 (0.042 in.) 0.049 0.040 0.016 0.003
AWG No. 9 to 2 in. (50 mm), inclusive.
No. 16 (0.053 in.) 0.061 0.051 0.016 0.003
8.1.11 Corrosive Effect—The resistance of the copper wire
No. 14 (0.066 in.) 0.074 0.064 0.016 0.003
shall increase by not more than 2%.
No. 12 (0.085 in.) 0.091 0.081 0.016 0.003
No. 11 (0.095 in.) 0.101 0.091 0.016 0.003
9. Sampling
No. 10 (0.106 in.) 0.112 0.102 0.016 0.003
No. 9 (0.118 in.) 0.124 0.114 0.020 0.003
9.1 Fordimensionalandvisualtests,lotsshallbesampledin
No. 8 (0.133 in.) 0.141 0.129 0.020 0.003
accordance with Inspection Level II of Practice D3636.
No. 7 (0.148 in.) 0.158 0.144 0.020 0.003
9.2 To determine conformity with the requirements for
No. 6 (0.166 in.) 0.178 0.162 0.020 0.003
No. 5 (0.186 in.) 0.198 0.182 0.020 0.003 physical and electrical properties, lots shall be sampled in
No. 4 (0.208 in.) 0.224 0.204 0.020 0.003
accordance with Inspection Level II. A quantity large enough
tocompletealloftherequiredtestsshallbeselectedatrandom
No. 3 (0.234 in.) 0.249 0.229 0.020 0.003
No. 2 (0.263 in.) 0.278 0.258 0.020 0.003 from one fifth of the units sampled.
No. 1 (0.294 in.) 0.311 0.289 0.020 0.003
No. 0 (0.330 in.) 0.347 0.325 0.020 0.003
5 10. Test Methods
⁄16 in. 0.334 0.312 0.025 0.003
3 10.1 Determine the properties enumerat
...