3M(TM) Scotch-Weld(TM) Structural Adhesive Film AF42, 1 1/2 in x 72 yd, 30 per case, 3 mil Unsupported, thermosetting film adhesive. Designed for the structural bonding of metals and glass. Features: excellent adhesion to metal and glass; high shear, peel, and cleavage strengths over a wide temperature range; high degree of film clarity when in contact with a solid surface; can be cured to produce a tough, flexible bond in as little time as 30 seconds at 450 Degrees F; high uncured film strength, light in weight and easy to handle; relatively low bonding pressures may be used; low tack; and low flow.