Budnick Converting ®
Scapa Tapes North America
SP457E
Dublfilmr Double Coated Polyester Tape
Dublfilmr SP457E is a 4.5 mil, double coated polyester tape. It incorporates an extremely high tack, high peel acrylic pressure sensitive adhesive system. It adheres well to low surface energy materials including untreated polyolefins. It is primarily used for assembly aid, foam gasketing and sound attenuation, and lamination to rubber.
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 | Acrylic |
| Thickness | 4.5 Mils |
| Tensile | |
|---|---|
| Elongation | 50.00% |
| Adhesion (liner) | 170 oz/in |
| Adhesion (unwind) | 170 oz/in |
| Min. Application Temp | 65° F |
|---|---|
| Min. Service Temp | -40° F |
| Max Short-Term Temp | 200° F |
| Max Long-Term Temp |
Product Features
- Exceptionally high tack and peel
- Bonds exceptionally well to ether and ester foams
- Bonds well to low surface energy plastics
- Excellent resistance to environmental extremes
- Polyester film carrier adds strength and dimensional stability
- Meets the compositional requirements of FDA regulation 21 CFR175.105 (adhesives) for indirect food contact
- Peel adhesion (PSTC 3 mod.) ultimate to polyethylene = 66 oz/in
- Holding power (PSTC 7 mod.): 2.2 psi (1x1x1000g)@RT > 100 min.
Adhesive Tape Applications
- Foam gasketing and sound attenuation
- Difficult splicing applications
- Assembly aid
- Lamination to EPDM rubber
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.