ASTM D2686-06(2012)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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
Designation:D2686 −06 (Reapproved 2012)
Standard Specification for
Polytetrafluoroethylene-Backed Pressure-Sensitive
Electrical Insulating Tape
This standard is issued under the fixed designation D2686; 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 (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope* 4.1.1.1 Grade A—0.050 mm (0.002 in.) backing thickness,
and
1.1 This specification covers electrical insulating tape con-
4.1.1.2 Grade B—0.125 mm (0.005 in.) backing thickness.
sisting of a polytetrafluoroethylene (PTFE) film coated on one
4.1.2 Type II—Bondable backing tape coated with a silicone
side with a pressure-sensitive adhesive.
adhesive:
1.2 The values stated in SI units are to be regarded as the
4.1.2.1 Grade A—0.050 mm (0.002 in.) backing thickness,
standard. The values given in parentheses are for information
and
only.
4.1.2.2 Grade B—0.125 mm (0.005 in.) backing thickness.
NOTE 1—This standard is similar to IEC 60454-3-14.
5. Materials and Manufacture
2. Referenced Documents
5.1 The tape shall comprise a backing consisting of a film of
tetrafluorethylene polymer on one side of which has been
2.1 ASTM Standards:
appliedapressure-sensitiveadhesive.Thebackingshallbefree
D1000 Test Methods for Pressure-Sensitive Adhesive-
of defects such as roughness and holes, and the adhesive layer
Coated Tapes Used for Electrical and Electronic Applica-
shall not show defects such as lumps or gels and bare areas.
tions
The slit edge of the tape shall be free of defects such as nicks.
D1711 Terminology Relating to Electrical Insulation
The adhesive shall not transfer when the tape is unwound from
2.2 IEC Standard:
the roll. The product may contain a release liner to assist the
IEC 60454-3 Specifications for Pressure-Sensitive Adhesive
unwind and avoid transfer without affecting the adhesion of the
Tapes for Electrical Insulation
tape.
3. Terminology
6. Requirements
3.1 Definitions—For definitions of terms used in this
6.1 All tapes shall meet the requirements given in Table 1
specification, refer to Terminology D1711.
for the grades specified.
4. Classification
7. Standard Rolls
4.1 This specification covers two types of PTFE tape in
7.1 The standard widths and lengths shall be selected from
various thicknesses, as follows:
the following:
4.1.1 Type I—Standard backing coated with a silicone ad-
7.1.1 Widths:
hesive:
mm in. mm in.
1 7
6 ⁄4 22 ⁄8
9 ⁄8 25 1
This specification is under the jurisdiction of ASTM Committee D09 on
1 1
12 ⁄2 30 1 ⁄4
Electrical and Electronic Insulating Materials and is the direct responsibility of
5 1
15 ⁄8 38 1 ⁄2
Subcommittee D09.07 on Flexible and Rigid Insulating Materials.
19 ⁄4 50 2
Current edition approved April 1, 2012. Published April 2012. Originally
Widths greater than 50 mm (2 in.) shall be agreed upon
approved in 1968. Last previous edition approved in 2006 as D2686 – 06. DOI:
10.1520/D2686-06R12. between the purchaser and the seller.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
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.
Available from American National Standards Institute (ANSI), 25 W. 43rd St.,
4th Floor, New York, NY 10036, http://www.ansi.org.
*A Summary of Changes section ap
...