3M 425 Aluminum Foil Discs

The 3M 425 die cut discs are manufactured from a tape that combines a 3 Mil nominal dead soft aluminum foil backing with a transparent arcylic adhesive. A good choice for masking in aluminum electroplating as it won't contaminate the bath. The aluminum backing provides excellent reflection of both heat and light. 

Product Features

• Flame resistant
• Shiny silver color
• Low moisture vapor transmission
• Acrylic adhesive is long-lasting
• Reflects both heat and light
• Should be applied to a clean, dry surface above 32° F (0° C)
• All die cuts 3/8" or larger come standard with a split-back liner; Split liner for smaller dimensions upon request
• Used for a variety of applications (see spec sheet)
• Standard and custom die cut sizes available

Construction

• 2.8 Mil Aluminum Foil Backing
• 4.6 Mil Total Thickness
• Roll Length - 60 yards

Specifications

• Tensile Strength (lb/in) - 28
• Elongation (%) - 6
• Steel Adhesion (oz/in) - 42