Budnick Converting ®
3M
8402
Polyester Composite Bonding and Silicone Splicing
A 1.8 mil. polyester film tape with a silicone adhesive for composite bonding and splicing of many silicone coated release papers. Not recommended to exceed one year of storage under normal conditions at 70°F and 50% R.H.
Converting Services
- Precision Cutting
- Die Cutting
- Slitting
- Printing
- Laminating and Coating
- Spooling and Finishing
- Consulting & Process Audit
- Prototyping
- Inventory Management
At Budnick, we specialize in custom converting these materials into labor saving, user-friendly parts.
| Backing/Carrier | PET - Polyester |
|---|---|
| Adhesive | Silicone |
| Thickness | 1.8 Mils |
| Tensile | 33.00 lbs/in |
|---|---|
| Elongation | 120.00% |
| Adhesive Activation | Pressure |
| Adhesion (unwind) | 24 oz/in |
| Min. Application Temp | 40° F |
|---|---|
| Min. Service Temp | -60° F |
| Max Short-Term Temp | 425° F |
| Max Long-Term Temp | 350° F |
Product Features
- Backing is a transparent polyester film
- Silicone adhesive with a green pigment
- Allover color is translucent green
- Polyester film is abrasion, chemical and thermal resistant
- Polyester film also retains flexibility from -60°F to 350°F
- Silicone adhesive is chemical resistant
- Silicone adhesive also has heat resistance as compared with acrylics
- Silicone adhesive is easy and clean removable
- Resists failures from backing breakdown or shrinkage
- Reduces failures due to undercutting or splice slippage
- Resists failures due to softening and oozing
- Reduces clean up due to adhesive transfer
Adhesive Tape Applications
- Masking edges overlap seams in metal bonding process
- Excess epoxy ("flash") flows onto the tape
- Clean up is complete when tape is removed
- Protective overall mask on panels subject to mild caustic or acid bath etching and to prevent scratches during handling prior to bonding operations
- Holding of parts or vacuum bags during bonding operation
- Mask for metal in acid or caustic chemical milling baths
- Paint mask for areas subject to high temperature bake cycles
- Splicing of silicone liners and papers
- Splicing of films subject to high temperatures
Adhesive Tape Colors
- Green
Comparable Products
Data provided by Budnick Converting, Inc.
The physical properties listed are typical values and are not to be considered as specifications. Our suggestions for use are based on tests we believe to be reliable. However, the purchaser must carry out their own tests to determine the suitability of the product for their internal use. Information is given in good faith, but without warranty.
It is essential, as with all pressure-sensitive tapes, that the surface to which the tape is applied be clean, dry and free of grease and oil.
Shelf life from date of manufacture is based on the product being stored at 70°F(21°C) / 50% relative humidity out of direct sunlight.
Specification compliance is dynamic and should only be used as a general guide. Always confirm that the tape you are interested in currently complies with all specification requirements. Please verify that the product number that you select is available in the proper size and color to meet your specification.