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Pack Size
1
Length
1800"
Tensile Strength
20 lb/in
Pull Length
2 1/2"
Color
Silver
Foil Thickness
2 mil
Maximum Operating Temperature
+250 °F
Minimum Operating Temperature
-30 °F
Total Thickness
4 mil
Backing Material
Aluminum Foil
Types
Type 1
Width
2 1/2"
UNSPSC
31201521
The 3M Foil Tape 3340 is ideal for sealing rigid fiberglass duct boards and flexible air duct systems. Our tape meets requirements for UL 181 A-P and UL 181 B-FX Listings as a measure of reliability and quality standards. 2.0 mil aluminum foil backing is ideal as a vapor seal tape for duct closure.
- Listed for both UL181A-P and UL181B-FX
- Replaces mechanical fasteners for rigid duct board
- Thermally conductive backing helps heating and cooling efficiency
- Permanent acrylic adhesive combined with the durable 2.0 mil backing provides long service life
3M 3340 aluminum tape comes in a 2 1/2 in width, 50 yd length, uses an acrylic adhesive and is packaged 20 rolls per case. Can be used in the following temperature range: -30 F to +250 F. Provides a tensile strength of 20 lb/in. When purchasing this product, consider the thickness. The variances in thickness often make an important difference in proper performance. This aluminum tape has a 4 mil total thickness. In addition to the other properties this product is flame retardant. This aluminum tape meets the following standards: UL 181A-P, UL 181B-FX. Specifications
Specifications:
Conductive or Non-Conductive Adhesive: Non-Conductive
Application: Duct Work
Flame Retardant: Flame Retardant
3M Number: 3340
Standards Met:
- UL 181A-P
- UL 181B-FX