For heat shielding applications such as wrapping over and along thermal insulation, use our 3M high temperature aluminum foil tape 433. This dead soft aluminum foil tape is coated with a clear silicone pressure sensitive adhesive that bonds well to a variety of surfaces and excels in high temperature applications, where other adhesive tapes may fail. Our 3M high temperature aluminum foil tape 433 is designed to excel in a variety of seaming, splicing and sealing applications where high temperatures are a concern. This dead soft aluminum backed tape is coated with a pressure sensitive silicone adhesive that bonds to a variety of difficult substrates while maintaining a strong and reliable bond, even at high temperatures. This tape boasts an excellent performance range from -65 deg F to 600 deg F (-54 deg C to 316 deg C) and meets flame resistance requirements of F.A.R. 25.853(a) and is a UL recognized component (file QQQW2.MH122798).