3M™ Scotch-Seal™ Mastic Tape
and Pads 2229
Data Sheet
May 2013
3M™ Scotch-Seal™ Mastic Tape and Pads 2229 are conformable, durable, tacky
mastic coated on an easy release liner. The product is designed for quick and easy
insulating, padding and sealing of objects that need to be protected from adverse
environmental conditions. It is well suited for corrosion protection applicants and is
resistant to U.V. radiation.
Product
Description
Agency Approvals
& Self
Certifications
RoHS
2011/65/EU
"RoHS 2011/65/EU" means that the product or part does not contain any of the
substances in excess of the maximum concentration values (“MCVs”) in EU RoHS
Directive 2011/65/EU. The MCVs are by weight in homogeneous materials. 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.
Excellent adhesion and sealing characteristics to metals, rubbers, synthetic cable
insulations and jackets.
Stable over wide temperature range while maintaining its sealing properties.
Conformable and moldable for easy applications over irregular surfaces.
Does not crack when subjected to repeated flexing.
Fully compatible with most semi-con jacketing materials.
Material exhibits self-healing characteristics after being punctured or cut.
Chemical resistance.
Exhibits very low cold-flow.
Retains its flexibility at low temperatures resulting in ease of application and
continuous performance at reduced temperatures.
For sealing high-voltage cable splice and termination accessories for
90º C continuous operating temperature.
For insulating electrical connections rated up to 1000 volts if over
wrapped with vinyl or rubber electrical tape.
For padding irregular-shaped connections.
For providing corrosion protection to a wide variety of electrical
connections and applications.
For sealing ducts and cable end seals.
For sealing against dust, soil, water and other environmental conditions
Product Features
Applications
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3M™ Scotch-Seal™ Mastic Tape and Pads 2229
Product Handling
The appropriate length of 3M™ Scotch-Seal™ Mastic Tape 2229 can easily be cut off the
roll by using a sharp knife or suitable protected razor blade. It can be applied in layers or
can easily be molded into the desired shape.
Note:
Since a large number of different semi-conductive jacketing materials are currently
available, the user is urged to test the compatibility of 2229 mastic tape with the semi-
conductive jacketing material being used.
Typical Properties
Properties
Color
Thickness
1
Water Absorption
3
Application Temperature
Dielectric Strength
1
(Wet or Dry)
Dielectric Constant
2
73ºF(23ºC) 60Hz
Dissipation Factor
2
* Foot notes: 1. ASTM-D-1000 Test method
2. ASTM-D-150 Test method.
3. 3M™ Test method 282
Typical Value
Black
125 mil (3,18mm)
0.07%
0ºC to 38ºC, 32ºF to 100ºF
379 V/mil (14,9kV/mm)
3.26
0.80%
Shelf-Life
This product has a 5-year shelf life from date of manufacture when stored in a humidity
controlled storage (10°C / 50°F to 27°C / 80 °F and <75% relative humidity).
The 2229 mastic tape is available in the following sizes from your local authorized 3M
distributor:
3 ¾” x 10’ (95,3 mm x 3 m)
Roll
1” x 10’
(25,4 mm x 3 m)
Roll
2 ½” x 3 ¾” (63,5 mm x 95,3 mm) Pad
3 ¾” x 3 ¾” (95,3 mm x 95,3 mm) Pad
6 ½” x 3 ¾” (165,1 mm x 95,3 mm) Pad
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.
Availability
Important Notice
Warranty; Limited
Remedy; Limited
Liability
3M and Scotch-Seal are trademarks of 3M Company.
3
Electrical Markets Division
6801 River Place Blvd.
Austin, TX 78726-9000
800.245.3573
FAX: 800.245.0329
www.3M.com/electrical
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