Glass Cloth Tape 3M 69 is constructed with a woven fiberglass backing. It features a pressure sensitive silicone adhesive for applications requiring high-temperature resistance, high adhesion and clean removal. It is often used for high temperature applications such as sealing ducts and as a back-up strip for submerged arc welding.
This Glass Cloth Tape 69 is a strong and durable, fiberglass backed tape designed to perform at high temperatures. It is used in a variety of aerospace, automotive, military, roofing, specialty vehicle and ship building industries for seaming and sealing panels, high temperature masking, bundling, holding and harness wrapping. It is able to withstand temperatures ranging from -65°F/-54°C to 450°F/232°C, and intermittent temperatures up to 550°F/288°C or higher, depending on the type and duration of the heat source. It can be certified to meet F.A.R. 25.853, flame resistant specifications.