



3M
398FR
Flame Retardant Glass Cloth Tape
3M398FR is a 7.0mil, glass cloth tape. 398FR has an acrylic adhesive for many applications requiring high adhesion, an abrasion-resistant backing and flame retardant properties. This product is typically used for sealing aircraft cargo bay panels to provide a permanent seal. Replacement product for 367FR
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 | Fiberglass |
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Adhesive | Acrylic |
Thickness | 7 Mils |
Tensile | 130.00 lbs/in |
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Elongation | 7.00% |
Adhesive Activation | Pressure |
Adhesion (unwind) | 38 oz/in |
Min. Application Temp | 40° F |
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Min. Service Temp | -20° F |
Max Short-Term Temp | 250° F |
Max Long-Term Temp |
Product Features
- Available in printed version as 398FRP
- Weight is 6.8 oz/sq. yd
- Flame retardancy requirements F.A.R. Part 25.853 (a) and F.A.R. Part 25.855(d)
- Acrylic adhesive has excellent long aging properties ideal for many permanent applications
- Formulation does not include antimony
- High conformability
Adhesive Tape Applications
- Sealing thermal and acoustic insulation panels where high adhesion and flame retardancy are needed
- Aircraft window sealing, duct sealing and seat repair
- Protection of wire harnesses, electrical cables or hoses from temperature extremes and abrasion
- Marine applications
- Many general industrial uses
Adhesive Tape Colors
- White
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.