ASTM D3149-00

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An American National Standard
Designation: D 3149 – 00
Standard Specification for
Crosslinked Polyolefin Heat-Shrinkable Tubing for Electrical
Insulation
This standard is issued under the fixed designation D 3149; 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 SS-S-550 Sodium Chloride,Technical, forWater-Softening
Units
1.1 This specification covers flexible and semirigid
2.4 IEC Standards:
crosslinked polyolefin heat-shrinkable tubing used for electri-
60684–3–209 Flexible insulating sleeving, Part 3, Sheet
cal insulating purposes. It is supplied in an expanded form and
209: Heat-shrinkable sleeving, general purpose, flame
will shrink to its extruded diameter when heated.
retarded polyolefin, shrink ratio 2:1
NOTE 1—This standard is similar to but not identical to IEC
60684–3–211 Flexible insulating sleeving, Part 3, Sheet
60684–3–209, –211 and –212.
211:Heat-shrinkablesleeving,generalpurpose,semi-rigid
1.2 The values stated in inch-pound units are to be regarded
polyolefin, shrink ratio 2:1
as the standard except temperature, which shall be stated in
60684–3–212 Flexible insulating sleeving, Part 3, Sheet
degreesCelsius.Valuesinparenthesesareforinformationonly.
212:Heat-shrinkablepolyolefinsleeving,generalpurpose,
flame retarded, shrink ratio 2:1
2. Referenced Documents
3. Terminology
2.1 ASTM Standards:
D 910 Specification for Aviation Gasolines
3.1 Definitions:
D 1711 Terminology Relating to Electrical Insulation
3.1.1 For definitions pertaining to electrical insulation, refer
D 2671 Test Methods for Heat-Shrinkable Tubing for Elec-
to Terminology D 1711.
trical Use
3.1.2 For definitions pertaining to fire standards, refer to
D 3636 Practice for Sampling and Judging Quality of Solid
Terminology E 176.
Electrical Insulating Materials
4. Classification
E 176 Terminology of Fire Standards
2.2 Military Standards:
4.1 Type I—Flexible, flame-retardant, opaque polyolefin
MIL-STD-104 Limits for Electrical Insulation Color
tubing with a secant modulus at 2 % strain less than 25 000 psi
MIL-H-5606 Hydraulic Fluid, Petroleum Base, Aircraft,
(172 MPa).
Missile, and Ordnance
4.2 Type II—Flexible, non-flame-retardant, clear or opaque
MIL-T-5624 Turbine Fuel, Aviation, Grades JP4 and JP5
polyolefin tubing with a secant modulus at 2 % strain less than
MIL-L-7808 Lubricating Oil, Aircraft, Turbine Engine,
25 000 psi (172 MPa).
Synthetic Base
4.3 Type III—Semi-rigid, flame-retardant, opaque polyole-
MIL-L-23699 Lubricating Oil, Aircraft, Turbine Engines,
fin tubing with a secant modulus at 2 % strain greater than
Synthetic Base
25 000 psi (172 MPa).
MIL-A-8243 Anti-Icing and De-Icing Defrosting Fluid
4.4 Type IV—Semi-rigid, non-flame-retardant, clear or
2.3 Federal Standards:
opaque polyolefin tubing with a secant modulus at 2 % strain
greater than 25 000 psi (172 MPa).
5. Ordering Information
This specification is under the jurisdiction of ASTM Committee D09 on
Electrical and Electronic Insulating Materials and is the direct responsibility of
5.1 When tubing is ordered to this specification, the pur-
Subcommittee D09.07 on Flexible and Rigid Insulating Materials.
chaser should define the type, size, and color of the required
Current edition approved Apr. 10, 2000. Published July 2000. Originally
tubing.
published as D 3149 – 72. Last previous edition D 3149 – 95.
Annual Book of ASTM Standards, Vol 05.01.
Annual Book of ASTM Standards, Vol 10.01.
4 7
Annual Book of ASTM Standards, Vol 10.02. May be obtained from Superintendent of Documents, U.S. Government
Annual Book of ASTM Standards, Vol 04.07. Printing Office, Washington, DC 20402.
6 8
AvailablefromStandardizationDocumentsOrderDesk,Bldg.4SectionD,700 Available from American National Standards Institute, 11 W. 42nd St., New
Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS. York, NY 10036.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
D3149–00
6. Materials and Manufacture 11. Sampling
6.1 The polymers used in the manufacture of heat-
11.1 Alotshallconsistofallmaterialthatisprocessedatthe
shrinkable tubing shall be virgin material, that is, material that
same time and under the same conditions and submitted for
has been through the manufacturing process only once, and the
inspection at one time.
finishedcompoundshallbefreeofallforeignmatterotherthan
11.2 Properties may be tested at any stage in processing
intended formulation additives as appropriate.
when they are unaffected by subsequent processing.
6.2 The tubing shall be extruded, cross-linked, and then
11.3 Select a quantity of the product at random from each
expanded to the required dimensions.
lot in accordance with Practice D 3636 and Table 5.
7. Chemical Property Requirements 11.4 Statistical process control measurements may be used
to demonstrate conformance in lieu of the sampling plan noted
7.1 Thematerialshallconformtothechemicalrequirements
hereinwhenthedemonstratedprocesscapabilityisgreaterthan
specified in Table 1.
the specified AQL.
7.2 Every lot of Type I and Type III material manufactured
shall be tested for flammability. Other chemical requirements
12. Number of Tests and Retests
may be tested less frequently or at a frequency agreed upon by
the purchaser and supplier.
12.1 The methods of test define the number of specimens
and length required for each test.
8. Physical Property Requirements
12.2 If the results of any test, except for attributes listed in
8.1 The material shall conform to the color, mechanical,
Table 3, do not conform to the requirements prescribed in this
thermal, and electrical requirements of Table 2.
specification, perform two additional tests on different speci-
8.2 Every lot of material manufactured shall be tested for
mens from the same lot. Nonconformance to Table 3 require-
restricted shrinkage, heat shock, tensile strength, elongation,
ments on first inspection shall be cause for rejection.
low-temperature flexibility and color. Other physical property
12.3 If either of the two additional tests results in a
requirements may be tested less frequently or at a frequency
nonconformance, the lot of material may be rejected at the
agreed upon by purchaser and seller.
option of the purchaser. Notice of nonconformance determined
9. Dimensional Requirements
by the purchaser based on tests made according to this
9.1 The material shall conform to the dimensional require- specification shall be reported to the manufacturer within 60
ments of Table 3. days from receipt of the material.
9.2 Tubing with non-standard dimensions may be supplied
12.4 Tubing that has been rejected may be replaced or
when agreed upon between purchaser and seller. Tubing with
reworked to correct the nonconformance and resubmitted for
non-standard dimensions shall be considered to comply with
inspection. Before resubmitting, full particulars concerning
this specification if the requirements ofTable 1 andTable 2 are
previous rejection and action taken to correct the nonconfor-
satisfied and the minimum recovered wall thickness equals or
mance shall be furnished to the inspector.
exceeds that of the identical or next largest nominal size. The
wall for sizes greater than 4 in. shall be at least as thick as that
13. Test Methods
of the 4-in. size.
13.1 Use the test methods described in Methods D 2671
10. Workmanship
unless otherwise stated in Table 1 or Table 2.
10.1 The tubing shall be homogeneous and essentially free 13.2 Use a time of 3 min and a temperature of 175 6 5°C
(347 6 9°F) to recover (shrink) heat-shrinkable tubing
...