3M Glass Cloth Electrical Tape 68
with Silicone Pressure-Sensitive Adhesive
Data Sheet
November 2008
3M
™
Glass Cloth Electrical Tape 68 is a 7-mil woven insulating glass cloth tape with a
silicone pressure-sensitive adhesive. This tape is used to electrically insulate and
provide mechanical protection at temperatures to 356° F (180° C). This tape provides
insulation protection for use as coil cover, anchor, banding and core, layer and
crossover insulation. This tape features a non-corrosive adhesive. It is conformable,
printable and flame retardant.
™
Description
Agency Approvals,
Self Certifications,
MIL Specs
•
•
Meets requirements of Mil-1-19166C
UL Recognized Component listing for 356° F (180° C), Guide OANZ2, File E17385
(Class H)
RoHS Compliant 2002/95/EC” means that the product or part (“Product”) does not contain any of the substances in excess of
the maximum concentration values in EU Directive 2002/95/EC, as amended by Commission Decision 2002/618/EC, unless
the substance is in an application that is exempt under RoHS. This information represents 3M’s knowledge and belief, which
may be based in whole or in part on information provided by third party suppliers to 3M.
Applications
•
•
Especially suited to high-temperature applications
Used in a variety of coil/transformer and motor applications, including an outer
wrap for bobbin wound coils, banding arbor wound coils, lead pad hold down, end
turn and lead anchor and connection.
Typical Properties
Data is not for specifications. Values are typical and should not be considered minimum or maximum.
Properties measured at room temperature
73° F
(~23°
C) unless otherwise stated.
Physical
Property (Test Method)
(ASTM
D1000
unless noted)
Color
Adhesive
Backing Thickness
Total Thickness
Elongation (% at break)
Operating Temperature
Adhesion to Steel
UL 510 Flame Retardant
white
silicone
Typical Value
US units (metric)
5.0 mils (0,125 mm)
7.0 mils (0,177 mm)
8%
180° C
40 oz/in (4.4 N/10 mm)
Yes
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3M
™
Glass Cloth Electrical Tape 68
Typical Properties
Electrical
Property (Test Method)
(ASTM
D1000
unless noted)
Dielectric Breakdown
Breaking Strength
2500 V
170 lbs/in (298 N/10 mm)`
Typical Value
US units (metric)
Specifications
3M
™
Glass Cloth Electrical Tape 68 is a glass cloth electrical tape with silicone pressure-
sensitive adhesive. The tape shall be white and 7 mils (0,78 mm) thick. The tape shall
be coated on one side with pressure-sensitive adhesive, which shall not require heat,
moisture or other preparation prior to or subsequent to application. The adhesive coating
shall be smooth and uniform, and be free of lumps and bare spots. There shall be no
separator between adjacent layers of the roll. The tape shall perform at a temperature
of 356° F (180° C) without loss of physical or electrical properties.
This product has a 5-year shelf life from date of manufacture when stored in a humidity
controlled storage (50°F/10°C to 80°F/27°C and <75% relative humidity).
Shelf Life &
Storage
Availability
Glass Cloth Electrical Tape 68 is available in standard and custom lengths and widths.
Standard length is 36 yards.
For availability, please contact your local distributor. Names and addresses are available
from 3M.com/electrical [Where to Buy] or call 1-800-676-8381 or 1-800-245-3573.
Important Notice
All statements, technical information, and recommendations related to 3M’s products are based on information
believed to be reliable, but the accuracy or completeness is not guaranteed. Before using this product, you
must evaluate it and determine if it is suitable for your intended application. You assume all risks and liability
associated with such use. Any statements related to the product which are not contained in 3M’s current
publications, or any contrary statements contained on your purchase order shall have no force or effect unless
expressly agreed upon, in writing, by an authorized officer of 3M.
This product will be free from defects in material and manufacture at the time of purchase.
3M MAKES
NO OTHER WARRANTIES INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
If this product is defective within the
warranty period stated above, your exclusive remedy shall be, at 3M’s option, to replace or repair the 3M
product or refund the purchase price of the 3M product.
Except where prohibited by law, 3M will not be
liable for any indirect, special, incidental or consequential loss or damage arising from this 3M product,
regardless of the legal theory asserted.
Warranty; Limited
Remedy; Limited
Liability
3M is a trademark of 3M Company.
3
Electrical Markets Division
6801 River Place Blvd.
Austin, TX 78726-9000
800 676 8381 or 800 245 3573
FAX: 800 828-9329 or 800 245 0329
www.3M.com/electrical/oem
Please recycle.
© 3M 2008 All rights reserved.
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