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Materials » Single Sided » Specialty Tapes - Metal Foil

Product Tape Structure (Backing/Adhesive) Backing Thickness mils (mm) Total thickness mils (mm) Adhesion to Steel oz./in. (N/100mm) Tensile Strength lbs./in. (N/100mm) Elongation at Break % Temperature Range °F(°C) Comments
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 (-54 to 149°C ) Most versatile aluminum 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 (-54 to 149°C ) Linered version 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 (-54 to 149°C ) Conformable aluminum tape.3
433 Aluminum/Silicone 2.0 (0.05) 3.6 (0.09) 40 (43.8) 20 (350) 3.5 -65 to 600°F (-54 to 316°C ) MIL-T-47014.3
433L Aluminum/Silicone 2.0 (0.05) 3.5 (0.09) 38 (42) 20 (350) 3.5 -65 to 600°F (-54 to 316°C ) Linered 433 tape.3
438 Aluminum/Acrylic 5.0 (0.13) 7.2 (0.18) 43 (47) 59 (1033) 10 -65 to 300°F (-54 to 149°C ) Thickest aluminum tape.3
439 Aluminum/Acrylic 1.9 (0.05) 3.1 (0.08) 41 (45) 18 (315) 3 -65 to 300°F (-54 to 149°C ) Linered version 431 tape.3
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 (-54 to 149°C ) UL 723 listed, linered.
3326 Aluminum/Acrylic 2.3 (0.06) 4.4 (0.11) 70 (77) 25 (438) 4 -20 to 250°F (-29 to 121°C ) UL 181A-P & 181B-FX listed, printed backing, linered.
General Purpose Aluminum Foil Tapes
1449 Aluminum/Acrylic 1.4 (0.04) 2.6 (0.07) 37 (40) 19 (333) 11 -25 to 250°F (-32 to 121°C ) Thinnest aluminum tape for added conformability.
1450 Aluminum/Rubber 1.9 (0.05) 3.1 (0.08) 114 (125) 19 (333) 6 -40 to 200°F (-40 to 93°C ) High initial tack on low energy surfaces.
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 (-54 to 316°C ) Highest temperature metal tape.3
1430 Aluminum/Nonwoven/Acrylic 5.0 (0.13) 5.5 (0.14) 22 (24) 19 (333) 12 -65 to 300°F (-54 to 149°C ) Flexible wrapping tape.
Lead Foil Tapes
420 Lead/Rubber 4.7 (0.12) 6.8 (0.17) 45 (49) 20 (350) 12 -60 to 225°F (-54 to 106°C ) Linered plating tape.
421 Lead/Rubber 4.0 (0.10) 6.3 (0.16) 31 (34) 15 (263) 14 -60 to 225°F (-54 to 106°C ) Unlinered plating tape.
1 Can be qualified to L-T-80B,MIL-T-23397B II 2 Meets U.L.723,Class L File R 7311 3 F .A.R.25.853 (a) 4 Meets U.L.746C File E122798