3M™ Aluminum Foil Tape 431

Technical Information Note

The following technical information and data should be considered representative or typical only and should not be used for speci cation purposes.

Typical Physical Properties

Property

Values

Method

Color

Shiny Silver

Total Tape Thickness

0.08 mm

3.1 mil

ASTM D3652

Backing Thickness

0.05 mm

1.9 mil

ASTM D3652

Backing

Aluminum Foil

Adhesive

Acrylic

Approximate Weight

0.0049 g/m/24 mm

0.0096 lb/yd/in

Water Vapor Transmission

0.77 g/m²/24 hr

0.05 g/100 in²/24 hr

ASTM D3833

Typical Performance Characteristics

Property

Values

Method

Dwell/Cure

Time

Substrate

Notes

180° Peel

Adhesion

4.5 N/cm

41 oz/in

ASTM D3330

Initial

Stainless Steel

12 in/min (300 mm/min)

Tensile

Strength

33.3 N/cm

19 lb/in

ASTM D3759

Elongation at

Break

5 %

ASTM D3759

Temperature

Use Range

-54 to 149 °C

-65 to 300 °F

Available Sizes

Property

Values

Standard Roll Length

55 m

60 yd

Handling/Application Information

Application Ideas

• Seal and patch tears in truck trailers, as well as other outdoor equipment.

• Re ect heat away from sensitive areas.

• Thermal heat conduction.

• General purpose holding, patching, sealing applications – indoors or out.

• Splicing of thin gauge foils.

• Good maskant in electroplating of aluminum because it will not contaminate the bath.

• Decorative.