Weather Resistant Film Tape
838
Technical Data
February, 2013
Product Description
3M™ Weather Resistant Film Tape 838 can be used for many long-term weather
resistant and protecting applications.
Product Construction
Backing
Tedlar
®
PVF
Adhesive
Acrylic
Color
White
Standard Roll Length
72 yds. (66 m)
Standard Widths
1, 1
1/2
, 2 in.
(25, 38, 50 mm)
Typical Physical
Properties
Note: The following technical information and data should be considered representative
or typical only and should not be used for specification purposes.
ASTM Test Method
Adhesion to Steel:
Tensile Strength:
Elongation at Break:
Backing Thickness:
Total Tape Thickness:
Temperature Use Range:
47 oz./in. width (51 N/100 mm)
24 lbs./in. width (420 N/100 mm)
170%
2.1 mils (0.05 mm)
3.4 mils (0.09 mm)
-100° to 225°F (-73° to 107°C)
D-3330
D-3759
D-3759
D-3652
D-3652
Features
• Good aging properties because it contains no plasticizers. It also remains tough
and flexible over a broad temperature range.
• The properties of Tedlar
®
film include excellent resistance to weathering,
outstanding mechanical properties and inertness toward a wide variety of
chemicals, solvents and staining agents.
• Tedlar
®
film tape is strong, flexible and fatigue resistant.
Application Ideas
• Sealing the seams of outdoor building panels, windows and doors as well as
similar severe exposure applications.
• Hinge seal on shower doors.
3M
™
Weather Resistant Film Tape
838
Storage
Store under normal conditions of 60° to 80°F (16° to 27°C) and 40 to 50% R.H. in
the original carton.
Shelf Life
To obtain best performance, use this product within 18 months from date of
manufacture.
Technical Information
The technical information, recommendations and other statements contained in this document are
based upon tests or experience that 3M believes are reliable, but the accuracy or completeness of such
information is not guaranteed.
Product Use
Many factors beyond 3M’s control and uniquely within user’s knowledge and control can affect the use
and performance of a 3M product in a particular application. Given the variety of factors that can affect
the use and performance of a 3M product, user is solely responsible for evaluating the 3M product and
determining whether it is fit for a particular purpose and suitable for user’s method of application.
Warranty,
Limited Remedy,
and Disclaimer
Unless an additional warranty is specifically stated on the applicable 3M product packaging or product
literature, 3M warrants that each 3M product meets the applicable 3M product specification at the time
3M ships the product. 3M MAKES NO OTHER WARRANTIES OR CONDITIONS, EXPRESS OR
IMPLIED, INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OR CONDITION OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR ANY IMPLIED WARRANTY
OR CONDITION ARISING OUT OF A COURSE OF DEALING, CUSTOM OR USAGE OF TRADE.
If the 3M product does not conform to this warranty, then the sole and exclusive remedy is, at 3M’s
option, replacement of the 3M product or refund of the purchase price.
Limitation of Liability
Except where prohibited by law, 3M will not be liable for any loss or damage arising from the 3M product,
whether direct, indirect, special, incidental or consequential, regardless of the legal theory asserted,
including warranty, contract, negligence or strict liability.
ISO 9001
This Industrial Adhesives and Tapes Division product was manufactured under a 3M quality system registered to ISO 9001 standards.
Industrial Adhesives and Tapes Division
3M Center, Building 225-3S-06
St. Paul, MN 55144-1000
800-362-3550 • 877-369-2923 (Fax)
www.3M.com/industrial
Recycled Paper
40% pre-consumer
10% post-consumer
3M is a trademark of 3M Company.
Tedlar is a registered trademark of
E.I. du Pont de Nemours & Co. Inc.
Printed in U.S.A.
©3M 2013
70070324838
(2/13)
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