Technical Data | June 2020
3M™ Low Static Polyimide Film Tape 7419
Product Description
3M™ Low Static Polyimide Film Tape 7419 uses DuPont™ Kapton© polyimide film backing and silicone-free acrylic
adhesive and is used for PCB solder masking and other high temperature applications.
Key Features
•
•
•
•
Specially formulated acrylic adhesive is resistant to typical solder mask temperatures for short periods of time,
stays firmly in place during processing and removes cleanly from typical electronic substrates even after 10 min
@ 260°C (500°F).
Non-silicone adhesive formulation lessens the potential for silicone contamination which can interfere with
subsequent bonding or conformal coating operations.
The high temperature acrylic adhesive also has excellent chemical resistance and can be considered for
demanding chemical masking applications.
Product is wound on a polyethylene tape core.
3M™ Low Static Polyimide Film Tape 7419
Product Construction/Material Description
Note: The following technical information and data should be considered representative or typical only and should not be used for
specification purposes.
3M™ Low Static Polyimide Film Tape 7419
Property
Value
Color
Backing
Adhesive
Standard Roll Length
Amber
Dupont™ Kapton© Polyimide Film
Specialty Acrylic
33 meters (36 yards)
Applications
•
Masking or protecting residue sensitive areas on printed circuit boards during high temperature operations such
as wave soldering and solder reflow
3M™ Low Static Polyimide Film Tape 7419
Application Techniques
•
•
Substrate should be smooth, clean, dry and oil-free to ensure good wet-out and adequate adhesion.
Tape may not bond or conform to low surface energy, rough or sharply curved surfaces.
Typical Physical Properties and Performance Characteristics
Note: The following technical information and data should be considered representative or typical only and should not be used for
specification purposes. Final product specifications and testing methods will be outlined in the product’s Certificate of Analysis
(COA) that is shipped with the commercialized product.
3M™ Low Static Polyimide Film Tape 7419
Property
Adhesion to Steel
Initial
72 hrs @ 25°C
10 min @ 260°C
Adhesion to Copper
Initial
72 hrs @ 25°C
10 min @ 260°C
Static Discharge**
Dielectric Strength
Surface Resistivity
Temperature Use Range***
Method*
Value
ASTM D-3330, Part A
4 oz/in width (4.5 N/100 mm)
5 oz/in width (5.6 N/100 mm)
17 oz/in width (19 N/100 mm)
ASTM D3330, Part A
ESD Method S-11
-
4 oz/in width (4.5 N/100 mm)
5 oz/in width (5.6 N/100 mm)
10 oz/in width (11 N/100 mm)
< 100 volts
6000 volts
5 x 106 ohms/sq
10 min @ 260°C
*Methods listed as ASTM are tested in accordance with the ASTM method noted
**Static discharge during removal from roll
*** Temperature use range is defined as the maximum time at the stated temperature after which the tape may be removed cleanly,
without staining, from a copper substrate
Storage and Shelf Life
The shelf life of 3M™ Low Static Polyimide Film Tape 7419 is 18 months from the date of manufacture when stored in
the original packaging materials and stored at 21°C (70°F) and 50% relative humidity.
Certificate of Analysis (COA)
The 3M Certificate of Analysis (COA) for this product is established when the product is manufactured and deemed to
be commercially available from 3M. The COA contains the 3M specifications, test results and test methods for the
product’s performance attributes that the product will be supplied against. Contact your local 3M representative for
this product’s COA.
3M™ Low Static Polyimide Film Tape 7419
Regulatory: For regulatory information about this product, contact your 3M representative.
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 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 OR 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.
Electronics Materials Solutions Division
3M Center, Building 224-3N-11
St. Paul, MN 55144-1000
1-800-251-8634 phone
651-778-4244 fax
www.3M.com/electronics
DuPont™ and Kapton © are trademarks of E.I. du
Pont de Nemours and Company or its affiliates.
3M is a trademark of 3M Company.
Please recycle.
©3M 2020. All rights reserved.
60-5002-0112-8
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