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  5. 3M™ Polyester Tape 8429, Yellow, 4 in x 72 yd, 3.2 mil, 8 rolls per case

3M™ Polyester Tape 8429, Yellow, 4 in x 72 yd, 3.2 mil, 8 rolls per case

3M ID 700062205973M Product Number 8429UPC 00021200428531
  • Excellent solvent and chemical resistance
  • Aggressive rubber adhesive grabs quickly and adheres well to irregular surfaces
  • Yellow color allows the tape to be seen easily once applied
  • Stiff polyester backing makes tape less likely to curl or fold over on itself
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For industrial/occupational use only. Not for consumer sale or use.
Details
  • Excellent solvent and chemical resistance
  • Aggressive rubber adhesive grabs quickly and adheres well to irregular surfaces
  • Yellow color allows the tape to be seen easily once applied
  • Stiff polyester backing makes tape less likely to curl or fold over on itself
  • Provides high tensile strength without bulk

3M™ Polyester Tape 8429 is commonly used to pre-splice photographic film for processing. The yellow tape features a heavy duty polyester backing with an aggressive, versatile rubber adhesive.

Thin Caliper with Long-Term High Dimensional Strength
The strong yet thin backing of 3M™ Polyester Tape 8429 is ideal for demanding applications that require high tensile strength without the bulk. In addition, the stiff polyester provides additional abrasion protection and makes it less likely to curl or fold over on itself. The yellow color makes it easily visible for applications where the splice needs to be detected. The rubber adhesive sticks well to irregular surfaces, is resistant to many chemicals and solvents, and features high shear strength. The tape remains flexible at -60°F (-50°C) and is dimensionally stable up to 300°F (149°C).

Recommended Applications
  • Splicing of photographic leader and film
  • Separation of dissimilar metals
  • Fabric splicing
  • Sealing, labeling and protecting
  • Defect marking
  • End tabbing
  • Repairing and reinforcing
Bringing Better Ideas to the Surface through Science and Innovation
In our 3M Industrial Adhesives and Tapes Division, we apply the science of adhesion to deliver innovative solutions that improve the design and manufacturing processes of companies around the world. In the end, our technologies help customers like you deliver competitive products to the market faster and more efficiently.
Product Color Adhesive
Type
Backing
Material
Backing
Thickness
mils (mm)
Total
Thickness
mils (mm)
Adhesion
to Steel
oz./in.
(N/100mm)
Tensile
Strength
lb./in.
(N/100mm)
Elongation
at Break %
Temperature
Range
°F (°C)
Comments
Based on ASTM Test Method: D-3652 D-3652 D-3330 D-3759 D-3759
Photo Film Splicing Tapes
8421 White Rubber Polyester 1.4
(0.04)
2.5
(0.06)
50
(54)
43
(754)
140 -60 to 300
(-50 to 150)
Photo film splicing
8422 Black Rubber Polyester 1.2
(0.04)
2.5
(0.06)
50
(54)
43
(754)
140 -60 to 300
(-50 to 150)
Photo film splicing
8429 Yellow Rubber Polyester 2.0
(0.05)
3.2
(0.08)
69
(75)
54
(948)
130 -60 to 300
(-50 to 150)
Photo film splicing
3M™ Polyester Tapes

Customer Reviews
3M™ Polyester Tape 8429, Yellow, 4 in x 72 yd, 3.2 mil, 8 rolls per case is rated 5.0 out of 5 by 1.
Rated 5 out of 5 by from Hi-Visibility FLAG:for this purpose nothing better Hi visibility. Accepts permanent marker pen ink easily. Adheres well, but also take-off-able easily enough if needed (except for adhesive onto more of itself. Not all that conformable, but if you have no need to squish into tiny crevices superb. For its idea (splicing, FLAGGING) with no worry of fall off, with ease of permanent marker writing (with fine resolution [no bleeding] -- but ONLY permanent marker) and still removable except to its own adhesive, there is nothing better. And if you need a flag on say a thin (couple mm diameter or so pole), no worries: will stick and put "waving flag, to a like piece of flag behind and adhesive-to-adhesive, tape ain't going nowhere, no matter how thin the pole. Anyone will NOTICE this tape and any message you wrote on it.
Date published: 2021-11-04
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For industrial/occupational use only. Not for consumer sale or use.

3M industrial and occupational products are intended, labeled, and packaged for sale to trained industrial and occupational customers for workplace use.  Unless specifically stated otherwise on the applicable product packaging or literature, these products are not intended, labeled, or packaged for sale to or use by consumers (e.g., for home, personal, primary or secondary school, recreational/sporting, or other uses not described in the applicable product packaging or literature), and must be selected and used in compliance with applicable health and safety regulations and standards (e.g., U.S. OSHA, ANSI), as well as all product literature, user instructions, warnings, and other limitations, and the user must take any action required under any recall, field action, or other product use notice.  Misuse of 3M industrial and occupational products may result in injury, sickness, death, or property damage.  For help with product selection and use, consult your on-site safety professional, industrial hygienist, or other subject matter expert.