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Description for 3M Aluminum Foil Tape 425
It is 3 mil nominal dead soft aluminum foil backing with a transparent acrylic adhesive, offers sealing applications – indoors and out, maskant in electroplating of aluminum, good sealant.Application Type Bond, Sealant Material Form Tape Substrate Steel Industry Maskant in electroplating of aluminum, General purpose heat reflector, Splicing of thin gauge foils, Mechanically hold cooling coils in “white goods” appliances., Repair tears on truck trailers, Repair tears on truck trailers, Aircraft paint stripping maskant, General purpose holding, Repair tears on aircraft Manufacturer 3M Chemistry Acrylic Adhesive Cure Method Pressure Sensitive Application Temperature (°F) >32 Color Shiny silver, Transparent Total Thickness (mm) 0.117 Single Sided Single sided High Temperature Resistance (°C) 149 Low Temperature Resistance (°C) -54 Durability Durable Light Refractive Index (RI) Excellent Reflection of Light Key Specifications ANSI (American National Standards Institute): UL 723 Class “L” low flammability rating (File R 7311) Can be certified to meet L-T-80C, Meets requirements of F.A.R. 25.853(a), UL (Underwriters Laboratory), ULC (Underwriters Laboratories of Canada), NFPA (National Fire Protection Association): Meets U.L. 746C (File E 122798) and 723, Class “L” low flammability rating (File R 7311 -
Technical Data for 3M Aluminum Foil Tape 425
Overview
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Material Form
- Tape
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Substrate
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Industry
- Trucks - Repair tears on truck trailers
- Trailer - Repair tears on truck trailers
- Aircraft - Aircraft paint stripping maskant, Repair tears on aircraft
- Electronics - Maskant in electroplating of aluminum
- Coils - Mechanically hold cooling coils in “white goods” appliances.
- Industrial - Indoor sealing applications, Outdoor sealing applications
- General Purpose - General purpose heat reflector, General purpose holding
- Splicing - Splicing of thin gauge foils
- Appliances - Moisture barrier in “white goods” appliances., Mechanically hold wires in “white goods” appliances, Mechanically hold cooling coils in “white goods” appliances.
- Other - Heat dissipator, Patching
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Chemistry
- Acrylic - Acrylic Adhesive
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Cure Method
- Pressure Sensitive (min) - Pressure Sensitive
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Color
- Clear / Transparent - Transparent
- Gray - Shiny silver
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Key Specifications
- UL (Underwriters Laboratory), ULC (Underwriters Laboratories of Canada), NFPA (National Fire Protection Association) - Meets requirements of F.A.R. 25.853(a)
- ANSI (American National Standards Institute) : ANSI/UL 723 - UL 723 Class “L” low flammability rating (File R 7311) Can be certified to meet L-T-80C
- UL (Underwriters Laboratory), ULC (Underwriters Laboratories of Canada), NFPA (National Fire Protection Association) : 746C - Meets U.L. 746C (File E 122798) and 723, Class “L” low flammability rating (File R 7311
Specifications
Cure Specs
Application Temperature (°F) >32 Bond Strength
Peel Strength (piw) 5.1 (N/cm) Test Method Tensile Strength (psi) 28 (lbs./in.) Test Method Tape Properties
Total Thickness (mm) 0.117 Single Sided Single sided Tape Backing Dead soft aluminum foil Material Resistance
Flame Resistance Flame resistant High Temperature Resistance (°C) 149 Test Method Low Temperature Resistance (°C) -54 Test Method Hardness
Durability Durable Elongation (%) 6 Test Method Other Properties
Light Refractive Index (RI) Excellent Reflection of Light Business Information
Shelf Life Details Store under normal conditions of 60° to 80°F (16° to 27°C) and 40 to 60% R.H. in the original carton To obtain best performance, use this product within 24 months from date of manufacture. Shelf Life Temperature (°F) 60 to 80 Shelf Life Type From date of manufacture Shelf Life (mon) 24 Not Good For
Don't Use For Food and Drug, Not intended for medical usage -
Best Practices for 3M Aluminum Foil Tape 425
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Surface Preparation
Best results obtained when applied to a clean, dry surface above 32°F (0°C).
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Comparable Materials for 3M Aluminum Foil Tape 425
Spec Engine® Results
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Peel Strength Test Methods
Peel Strength | Type | Test Method |
---|---|---|
5.1 (N/cm) | 180° Peel Adhesion | ASTM D3330; 12 in/min (300 mm/min) |
Tensile Strength Test Methods
Tensile Strength | Test Method |
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28 (lbs./in.) | ASTM D3759 |
High Temperature Resistance Test Methods
High Temperature Resistance | Test Method |
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149°C | Long Term Temperature Resistance, Long Term (day, weeks) |
Low Temperature Resistance Test Methods
Low Temperature Resistance | Test Method |
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-54°C | Long Term (day, weeks) , Minimum Long Term Temperature Resistance |
Elongation Test Methods
Elongation | Test Method |
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6 % | ASTM D-3759 (at Break) |