Budnick Converting ®
3M
4257
Pressure Sensitive Acrylic Foam Tape
3M™ Acrylic Foam Tape 4257 is a 0.38 mm (0.015 in) thick, gray, double coated acrylic foam tape used in a variety of automotive applications where bonding surfaces are well matched or where the parts to be bonded are thin and flexible.
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 | Acrylic Foam |
|---|---|
| Adhesive | Proprietary |
| Thickness | 14.99 Mils |
| Tensile | |
|---|---|
| Elongation | |
| Adhesion (liner) | |
| Adhesion (unwind) |
| Min. Application Temp | 50° F |
|---|---|
| Min. Service Temp | |
| Max Short-Term Temp | |
| Max Long-Term Temp |
Product Features
- Bonds to a variety of automotive substrates
- Provides high final adhesion and peel strength
- This tape is equivalent to 3M Acrylic Foam Tape 4215 used by Japanese OEMs, but offers an adhesive system designed for bonding to North American paint systems
Markets Served
- Automotive
- Truck and trailer body
Adhesive Tape Applications
- Bonding to automotive paint surfaces
- Automotive door edge moldings
- Narrow body side moldings
- Thin or flexible nameplates
- Lamp close-out seals
- Window lace attachment
Adhesive Tape Colors
- Gray
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.