3M Glass Cloth Electrical Tape 89
with Pressure-Sensitive Rubber
Thermosetting
Data Sheet
November 2008
™
Description
3M
™
Glass Cloth Electrical Tape 89 is a 7-mil woven insulating glass cloth tape with
pressure-sensitive rubber thermosetting white glass cloth tape. This tape is designed to
operate in 600-volt dry applications requiring high mechanical strength and resistance to
high temperatures. The adhesive is a pressure-sensitive rubber thermosetting system.
The glass cloth is specially treated and prepared to provide corrosion-free protection.
The glass cloth will not shrink, rot or burn, has a high tensile strength and is printable.
Agency Approvals,
Self Certifications,
MIL Specs
Meets Requirements of:
•
A-A-59770 Type GFT
•
UL Recognized Component listing for 266° F (130° C), Guide OANZ2, File E17385
•
Temperature not exceeding Class B, 266° F,(130° C)
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
•
Insulating electric and induction-type furnace power supply leads
•
Securing systems requiring high mechanical strength and resistance to high
temperatures
•
Splicing wire SF and SFF rated 302° F (150° C), 356° F (180° C)
•
Insulating motor lead connectors, switchers and controls for furnaces and ovens
•
Insulation in coil wrapping outerwrap
•
Provides heat stable insulation for hot spot applications
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3M
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Glass Cloth Electrical Tape 89
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
white
Typical Value
US units (metric)
rubber thermosetting
5.0 mils (0,125 mm)
7.0 mils (0,177 mm)
8%
130° C
40 oz/in (4.4 N/10 mm)
Electrical
Property (Test Method)
(ASTM
D1000
unless noted)
Dielectric Breakdown
Breaking Strength
Insulation Resistance
2000 V
Typical Value
US units (metric)
170 lbs/in (298 N/10 mm)`
4.5 x 0.11 megohms
Specifications
3M
™
Glass Cloth Electrical Tape 89 is a glass cloth electrical tape with a rubber
thermosetting adhesive. The tape shall be white and 7 mils (0,177 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 266° F (130° C) without loss of physical or electrical properties.
Engineering/
Architecture
For maximum solvent resistance and holding properties, the tape should be thermoset
at one of the following cycles;
1 hour @ 300° F(150° C)
2 hours @ 275° F(135° C)
3 hours @ 120° F(250° C)
Shelf Life &
Storage
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).
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3M
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Glass Cloth Electrical Tape 89
Availability
3M
™
Glass Cloth Electrical Tape 89 is available in standard and custom lengths and
widths. Standard length is 60 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.
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.
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Electrical Markets Division
6801 River Place Blvd.
Austin, TX 78726-9000
800 676 8381
FAX: 800 828 9329
www.3M.com/electrical/oem
Please recycle.
© 3M 2008 All rights reserved.
78-8125-9922-9_C
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