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Celanese Corporation, a global technology and specialty materials company, and Southwire Company LLC, North American wire and cable producers, introduced an affordable option for utility transmission lines — the C7TM Overhead Conductor with a multi-stranded composite core of Celstran continuous fiber-reinforced thermoplastic rods (CFR-TPR) from Celanese.
The Celanese and Southwire developed transmission conductor delivers nearly double the capacity and exhibits less sag than the same diameter aluminum conductor steel-reinforced (ACSR) conductor. The design allows for minimum sag at higher power transfer, and the stranded Celstran CFR-TPR core means there is no single point of failure for the overhead conductor.Thanks to innovative and patented Celanese material technology, backed by advanced and proprietary processing, the C7 Overhead Conductor with Celstran CFR-TPR provides seven key advantages:• Minimal Thermal Expansion — Lowest level available in a composite core for minimal sag increase at high power transfer• Lightweight — High strength-to-weight ratio• Multi-Element Core — No single point of failure, unlike monolithic constructs• Flexible and Robust — Installs like traditional conductor without the need for special training and equipment• Celanese Engineered Material — The only all-thermoplastic composite core in the world, backed by 50-plus years of material innovation and know-how, with high-temperature performance (180 to 225 degrees Celsius)• Multiple Conductor Designs — Tailor for installation requirements, from light to heavy ice loads, normal to long spans, and numerous conductor constructions• Use of Conventional Connectors — Traditional, crew friendly, two-piece compression fittingsThe Southwire C7 Overhead Conductor, with high-performance carbon-fiber reinforced thermoplastic composites for a service life expectancy in excess of 40 years in demanding applications, delivers superior thermal performance that cuts costs and improves performance both for new line or reconductoring installations.Celstran CFR-TPR and Celstran CFR-TP (continuous fiber reinforced thermoplastic tapes) are produced using a patented pultrusion process that provides the highest quality impregnation and optimal wetting of the reinforcement fibers. By using various matrix materials (PPS, PEEK, PVDF, PBT/PET, PP, HDPE, PAA/PPA, POM, TPU and others) and imbedding various glass-, carbon- and aramid-fibers together with additives, Celstran CFR-TPR and CFR-TP composites can be tailored to meet many specific application requirements.More information: www.celanese.com