Budnick Converting ®
3M
8905
Composite Bonding Tape
A 6.6 mil. high temperature tape with silicone adhesive that can be used in many composite bagging operations or to remove flashing after bonding. Also an excellent maskant for many thick epoxy powder coat paints. Designed to provide clean removal during many masking operations involving high temperatures and pressure.
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 | 6.6 Mils |
| Tensile | 150.00 lbs/in |
|---|---|
| Elongation | 130.00% |
| Adhesive Activation | Pressure |
| Adhesion (unwind) | 35 oz/in |
| Min. Application Temp | 40° F |
|---|---|
| Min. Service Temp | 0° F |
| Max Short-Term Temp | 400° F |
| Max Long-Term Temp |
Product Features
- Polyester film retains flexibility and thermal resistance
- Polyester film also is abrasion, chemical and thermal resistant
- Silicone adhesive has a higher heat resistance than many other adhesives
- Reduces failures due to cracking
- Reduces failures due to backing deterioration
- Reduces failure due to softening, oozing and adhesive transfer
Adhesive Tape Applications
- Composite and metal bonding - this tape removes cleanly from stainless steel, anodized aluminum and glass after a five hour brake cycle at 350°F
- Masking edges of overlap seams in metal bonding process where excess epoxy ("flash") flows onto tape. Clean up is complete upon tape removal
- Holding parts or vacuum bags during bonding process
- Masking parts for thick epoxy powder coat painting
- Splicing silicone treated materials
Adhesive Tape Colors
- Blue
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.