Budnick Converting ®
DeWal Industries / Rogers Corp.
304-2
Polyimide Printed Circuit Board Mask
304-2 is a 3.5 mil polyimide film coated with high temperature silicone adhesive. The polyimide film provides excellent electrical insulations, abrasion resistance and high dielectric strength. This tape is used in electrical applications such as capacitor wrapping, gold finger masking, insulation in transformers, coils, flat cables and connectors and high temperature harness wrapping.
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 | Polyimide |
|---|---|
| Adhesive | Silicone |
| Thickness | 3.5 Mils |
| Tensile | 30.00 lbs/in |
|---|---|
| Elongation | 40.00% |
| Adhesive Activation | Pressure |
| Adhesion (unwind) | 25 oz/in |
| Min. Application Temp | 40° F |
|---|---|
| Min. Service Temp | 0° F |
| Max Short-Term Temp | 500° F |
| Max Long-Term Temp |
Product Features
- Flurosilicone release liner
- UL Approval File no. E179854 Approved Flame Retardant/Cold Resistant
- Pratt & Whitney Approved
- High temperature silicone adhesive
- Excellent electrical insulations, abrasion resistance and high dielectric strength
Adhesive Tape Applications
- Used in electrical applications such as:
- Capacitor wrapping
- Gold finger masking
- Insulation in transformers, coils, flat cables and connectors
- High temperature harness wrapping
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.