3M
425
Aluminum Foil Tape
425 is a self wound 4.6 mil, aluminum foil tape. It is primarily used indoor or outdoor for many long term applications. This is the most versatile aluminum tape offered by 3M. It meets specifications L-T-80C, SAE AMS T-23397, UL 723, UL 746C, and F.A.R. 25.853.
| Backing/Carrier | Aluminum |
|---|---|
| Adhesive | Acrylic |
| Thickness | 4.6 Mils |
| Tensile | 30.00 lbs/in |
|---|---|
| Elongation | 8.00% |
| Adhesive Activation | |
| Adhesion (unwind) | 47 oz/in |
| Min. Application Temp | 32° F |
|---|---|
| Min. Service Temp | -65° F |
| Max Short-Term Temp | 300° F |
| Max Long-Term Temp |
Product Features
- Heat reflective
- Flame resistant
- Acrylic adhesive is long aging
- Water vapor transmission rate: 0.1g H2O/100 sq.in./24 hrs. (1.55 g/m2/.24 hrs.)
- Approximate weight: 0.115 lbs./yd./in. width (4.77 gms./m/24 mm)
- Helps protect parts from water, dust or chemical damage
- Helps protect parts from heat
- Will not support combustion
- Helps reduce need for replacing
- Aluminum foil backing offers long-term protection
- Meets L-T-80C
- SAE AMS T-23397
- Meets UL 746C and UL 723
- F.A.R. 25.853
Adhesive Tape Applications
- Aircraft paint stripping maskant
- Moisture barrier in "white goods" appliances
- General purpose heat reflector and heat dissipator
- Mechanically hold wires and cooling coils in "white goods" appliances
- Repair tears on truck trailers and aircraft
- Splicing of thin gauge foils
- General purpose holding, patching, sealing applications - indoors and out
Adhesive Tape Colors
- Silver
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.
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.