3M™ Polyester Tape 8429

3M Product Number 8429
Products
  • 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.
Overall Length (Metric)
Overall_Length_Metric
Overall Width (Imperial)
Overall_Width_Imperial
Overall Width (Metric)
Overall_Width_Metric
Products Available
Available options:
 Overall Length (Metric), Overall Width (Imperial) and Overall Width (Metric)
All Options
  • Overall Length (Imperial)
    Overall Length (Metric)
    Overall Width (Imperial)
    Overall Width (Metric)
    Product Color
  • 3M™ Polyester Tape 8429, Yellow, 1 in x 72 yd, 3.2 mil, 36 rolls per case
    Overall Length (Imperial)
    72 yd
    Overall Length (Metric)
    65.83 m
    Overall Width (Imperial)
    1 in
    Overall Width (Metric)
    25.4 mm
    Product Color
    Yellow
  • 3M™ Polyester Tape 8429, Yellow, 2 in x 72 yd, 3.2 mil, 24 rolls per case
    Overall Length (Imperial)
    72 yd
    Overall Length (Metric)
    65.8 m
    Overall Width (Imperial)
    2 in
    Overall Width (Metric)
    5.1 cm
    Product Color
    Yellow
  • 3M™ Polyester Tape 8429, Yellow, 4 in x 72 yd, 3.2 mil, 8 rolls per case
    Overall Length (Imperial)
    72 yd
    Overall Length (Metric)
    65.83 m
    Overall Width (Imperial)
    4 in
    Overall Width (Metric)
    101.6 mm
    Product Color
    Yellow
  • 3M™ Polyester Tape 8429, Yellow, 1 1/4 in x 72 yd, 3.2 mil, 28 rolls per case
    Overall Length (Imperial)
    72 yd
    Overall Width (Imperial)
    1.25 in
    Overall Width (Metric)
    31.75 mm
    Product Color
    Yellow
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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

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If you are considering a purchase of this or other 3M Industrial Adhesives and Tape products, our team is ready to help by providing additional information and options. Our technical expertise, customer support, and global capabilities put us in a unique position to address your biggest challenges, and we'll do our best to prove that we should be your supplier of choice.


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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.