Carolina Narrow Fabric's Form-I-Glas tie tapes are knitted polyester/fiberglass tapes designed for binding and tying cable bundles and electrical wiring harnesses. Applications are in electrical, communications, electronics and aerospace related fields. CNF tie tapes are characterized by high strength, dimensional stability and abrasion resistance. They also resist chemical attach, fungus and heat. These tapes are non-fraying with good knot strength and controlled shrinkage. Non-shrink versions also available. - Form-I-Glas™ brand knitted tape was developed wrap steam pipes as an alternative to shrunk in place cotton duct. Knitted fiberglass conforms to irregular shapes and corners with no tucks or bulges. The superior conformability eliminates the need to cut tailored pieces of woven fabric thus saving time and labor costs. The tape is spiral wrapped around pipes and painted with a mastic.