Description
Form: Flexible unsupported film, protected by suitable liner. Color: Yellow to brown. Nominal Caliper: 9-11 mils (uncured). Weight: .0575 - .0725 lbs./sq. ft. Volatile Content: Less than 5% (2-4 gm. sample cured 1 hr. at 350°F [177°C]). Shrinkage: 5% maximum (24 hrs. at 75°F ± 5°F [24°C ± 2°C] in horizontal position).

Features
■ Good flexibility and shear strength at service temperatures from -67°F to 500°F (-55°C to 260°C).
■ Easy application in a dry film which can be pressure, heat, or solvent tacked in position.
■ Excellent retention of strength after aging in many environments.
■ Scotch-Weld AF 31 film adhesive with 3M™ Scotch-Weld™ Structural Adhesive Primer EC-2174 on stainless steel, known as the AF-7431 system, meets, and is qualified to, MMM-A-132 Types III and IV. Technical Data March, 2006