Tapes

3M Aluminum Foil Tape 425

SKU: 425

Brand: 3M

Pricing on request

Specifications

Part Number	425
Material	Dead-soft aluminum foil, 2.8 mil (0.07 mm)
Compliance	UL 746C recognized (File E122798); UL 723 Class L (File R7311); meets FAR 25.853(a); can be certified to L-T-80C; SAE AMS-T-23397

Description

A dead-soft aluminum foil tape with an engineered acrylic pressure-sensitive adhesive used for heat/light reflection, moisture and vapor barriers, and EMI/RFI shielding and grounding. The conformable foil handles high temperatures and provides a durable, weather- and flame-resistant seal.

Angad Aviation supplies this 3M product with full traceability and documentation — request a quote for current pricing, pack sizes and lead time.

Brand: 3M
Part No.: 425
Backing: Dead-soft aluminum foil, 2.8 mil (0.07 mm)
Adhesive: Acrylic PSA, 1.8 mil
Total thickness: 4.6 mil (0.12 mm)
Color: Silver
Temperature range: -54 C to 149 C (-65 F to 300 F)
Adhesion to steel: 47 oz/in width
Tensile strength: 28 lb/in width (490 N/100 mm)
Elongation at break: 6%
Compliance: UL 746C recognized (File E122798); UL 723 Class L (File R7311); meets FAR 25.853(a); can be certified to L-T-80C; SAE AMS-T-23397

Frequently asked

What are the key specifications?

Backing: Dead-soft aluminum foil, 2.8 mil (0.07 mm); Adhesive: Acrylic PSA, 1.8 mil; Total thickness: 4.6 mil (0.12 mm); Color: Silver; Temperature range: -54 C to 149 C (-65 F to 300 F); Adhesion to steel: 47 oz/in width; Tensile strength: 28 lb/in width (490 N/100 mm); Elongation at break: 6%.

How do I get pricing and lead time?

Angad Aviation supplies this 3M product quote-first — request a quote and our team responds with current price, pack sizes, availability and lead time. Every order ships with full traceability and documentation.