3M metal foil tapes Manuel D’Utilisation

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Note: This technical information and data should be considered representative or typical only and should not be used for specification purposes.
PRODUCT USE: All statements, technical information and recommendations contained in this document are based upon tests or experience 
that 3M believes are reliable. However, many factors beyond 3M’s control can affect the use and performance of a 3M product in a particular
application, including the conditions under which the product is used and the time and environmental conditions in which the product is expected
to perform. Since these factors are uniquely within the user’s knowledge and control, it is essential that the user evaluate the 3M product to 
determine whether it is fit for a particular purpose and suitable for the user’s method of application. 
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product. 3M MAKES NO OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED
WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR ANY IMPLIED WARRANTY ARISING
OUT OF A COURSE OF DEALING, CUSTOM OR USAGE OF TRADE. 
User is responsible for determining whether the 3M product is fit
for a particular purpose and suitable for user’s application. If the 3M product is defective, your exclusive remedy and 3M’s and seller’s sole
obligation will be, at 3M’s option, to replace the product or refund the purchase price.
LIMITATION OF  LIABILITY: Except where prohibited by law, 3M and seller will not be liable for any loss or damage arising from the 
3M product, whether direct, indirect, special, incidental or consequential, regardless of the legal theory asserted, including warranty, contract,
negligence or strict liability.
Industrial Business
Industrial Adhesives and Tapes Division
Bldg. 21-1W-10
900 Bush Ave.
St. Paul, MN 55106
1-800-362-3550
www.3M.com/specialtytapes
Printed in U.S.A. 
© 3M 2006  70-0709-5390-9
Minimum 10% Post-Consumable Fiber
E
Product
Tape Structure
Backing
Total
Adhesion
Tensile
Elongation
Temperature
Comments
(Backing/Adhesive)
Thickness
Thickness
to Steel
Strength
at Break
Range
mils (mm)
mils (mm)
oz./in.
lbs./in.
%
°F (°C)
(N/100 mm)
(N/100 mm)
ASTM Test
Method:
D-3652
D-3652
D-3330
D-3759
D-3759
Premium Performance Aluminum Foil Tapes
425
Aluminum/Acrylic
2.8 (0.07)
4.6 (0.12)
47 (51)
30 (525)
8
-65 to 300°F
Most versatile aluminum 
(-54 to 149°C)
tape.
1, 2, 3, 4
427
Aluminum/Acrylic
2.8 (0.07)
4.6 (0.12)
50 (55)
30 (525)
8
-65 to 300°F 
Linered version 
(-54 to 149°C)
425 tape.
2, 3, 4
431
Aluminum/Acrylic
1.9 (0.05)
3.1 (0.08)
41 (45)
19 (338)
5
-65 to 300°F 
Conformable 
(-54 to 149°C)
aluminum tape.
3
433/L*
Aluminum/Silicone
2.0 (0.05)
3.6 (0.09)
40 (43.8)
20 (350)
3.5
-65 to 600°F 
MIL-T-47014.
3
(-54 to 316°C)
*Linered version available
438
Aluminum/Acrylic
5.0 (0.13)
7.2 (0.18)
43 (47)
59 (1033)
10
-65 to 300°F 
Thickest aluminum
(-54 to 149°C)
tape.
3
439
Aluminum/Acrylic
1.9 (0.05)
3.1 (0.08)
41 (45)
18 (315)
3
-65 to 300°F 
Linered version
(-54 to 149°C)
431 tape.
3
Aluminum Foil Reinforced Tapes
363
Aluminum/Glass Cloth/Silicone
3.4 (0.09)
7.3 (0.19)
67 (73)
135 (2364)
7
-65 to 600°F 
Highest temperature metal 
(-54 to 316°C)
tape.
3
1430
Aluminum/Nonwoven/Acrylic
5.0 (0.13)
5.5 (0.14)
22 (24)
19 (333)
12
-65 to 300°F 
Flexible wrapping tape. 
(-54 to 149°C)
HVAC & Refrigeration Aluminum Foil Tapes
3311
Aluminum/Rubber
2.0 (0.05)
3.6 (0.09)
90 (98)
17 (298)
3
-10 to 180°F 
UL 723 listed, linered.
(-54 to 149°C)
3326
Aluminum/Acrylic
2.3 (0.06)
4.4 (0.11)
70 (77)
25 (438)
4
-20 to 250°F 
UL 181A-P & 181B-FX listed, 
(-29 to 121°C)
printed backing, linered.
General Use Aluminum Foil Tapes
4530/L*
Aluminum/Acrylic
1.2 (0.030)
2.3 (0.059)
30 (33)
11 (200)
6
-30 to 250°F
*Linered version available
(-34 to 121°C)
4540/L*
Aluminum/Acrylic
1.6 (0.040)
2.7 (0.069)
33 (36)
17 (302)
8
-30 to 250°F
*Linered version available
(-34 to 121°C)
4550/L*
Aluminum/Acrylic
2.1 (0.050)
3.1 (0.079)
32 (35)
20(352)
8
-30 to 250°F
*Linered version available
(-34 to 121°C)
4560/L*
Aluminum/Acrylic
2.5 (0.060)
3.6 (0.091)
34 (38)
28(492)
12
-30 to 250°F
*Linered version available
(-34 to 121°C)
Lead Foil Tapes
420
Lead/Rubber
4.7 (0.12)
6.8 (0.17)
45 (49)
20 (350)
12
-60 to 225°F 
Linered plating tape.
(-54 to 106°C)
421
Lead/Rubber
4.0 (0.10)
6.3 (0.16)
31 (34)
15 (263)
14
-60 to 225°F 
Unlinered plating tape.
(-54 to 106°C)
Can be qualified to L-T-80B,MIL-T-23397B II    
Meets U.L.723,Class L File R 7311  
F.A.R.25.853 (a)   
Meets U.L.746C File E122798
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