November/December

ArticlesEmphasisPolymers

New Advancement in the Polyvinylidene Fluoride (PVDF) Materials

For many years, PVDF polymers have been used in high-performance cable applications including plenum communication cables, automotive cables, aviation and military cables and appliance wiring. The selection of PVDF polymers is largely due to a unique combination of properties, including flame and smoke resistance, abrasion resistance, high flexibility, chemical resistance, outdoor weathering resistance and the ability to be e-beam crosslinked. The wide range of useful properties provided by PVDF polymers helps make them a valuable tool for resolving unique problems under challenging applications. PVDF polymers available include both homopolymers and copolymers.

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ArticlesEmphasisPolymers

Fluoropolymer Processing Aid Replacement in Cable Jacketing Compounds

Black polyethylene jacket compounds are widely used in the wire and cable industry for telecommunication and power cable applications. However, these filled polyethylene compounds are susceptible to die build-up during the extrusion process. Die build-up (DBU) refers to the unwanted accumulation of material on the open face of the extrusion die, which can lead to die streaking on the surface of the extruded product as well as additional time and cost to shut down the line and clean the tooling. Excessive die build-up negatively impacts the aesthetic quality and properties of the final product, posing a challenge for the wire and cable as well as the plastic industry.

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ArticlesEmphasisPolymers

Range of Metal Deactivators for Wire & Cable Applications

Auto-oxidation reactions in plastics are initiated and accelerated not only by heat, light and mechanical stress, but also by contact with metals. Applications that come into contact with metal include polyolefin insulations for wire coatings, automobile parts and pipes as well as, elastomeric compounds for coatings and insulation. Metal deactivators are used as polymer additives to control the metal-catalyzed oxidation of these hydrocarbon materials, thereby improving the stability of these polymers, including their long-term stability in these applications.

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ArticlesFeatured

Composite Conductor Cores Connecting the Future

ccording to Bill Gates, over 1000 gigawatts of clean energy projects—approximately the current size of the entire USA power grid—are awaiting approval. Despite huge potential, infrastructure work on this scale is a huge undertaking so intelligent engineering and efficient design will be essential for return on investment for utilities providers. This article explains how composite conductor cores can extend maintenance intervals, reduce infrastructure costs and improve performance for power line installations

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ArticlesFeaturedTech BriefsWHCC

Aerospace Wire and Cable Applications

Aerospace wire and cable applications are essential for transmitting power, data and signals throughout various aircraft and spacecraft systems. These components are subject to rigorous standards and requirements due to the extreme conditions and safety considerations in aerospace engineering.

The AS9100:2016 quality management system (QMS) is a necessary certification when manufacturing aerospace harnesses and assemblies. It is a revision of the previous version, AS9100:2009, based on the international QMS standard ISO 9001.

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ArticlesFeaturedTech BriefsWHCC

Clarifying the Changes: Update on Revisions to UL Certification Documents,

A review of upcoming standards proposals and recently published revisions is important, so that both manufacturers and users are aware of the changes, understand the ramifications of the changes and may take the appropriate steps to ensure that the wire and cable manufactured to these standards continue to comply with the requirements.

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