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Teknor Apex Launches Low-cost HFFR TPE Compound for Fiber Optic Cable

Published on 2016-01-05. Author : SpecialChem

PAWTUCKET, RI, U.S.A. -- A new halogen-free flame retardant (HFFR) compound for fiber optic cable provides excellent flame retardance while exhibiting significantly lower post-extrusion shrinkage than similar compounds with comparable flame properties, it was announced by Teknor Apex Company, which will feature the new product at Wire 2016 along with a previously introduced low-shrinkage grade (Hall 09, Stand E06-1).

Teknor Apex Company
Fig. 1: Teknor Apex Company

Halguard® 58625 compound has a UL-94 flammability rating of V-0 and an oxygen index of 50%, while exhibiting post-extrusion linear shrinkage of only 2%. The new TPE product is an addition to the Halguard family of compounds providing an economical alternative to premium grades because of their innovative flame retardant formulation.

Low shrinkage is especially desirable in fiber optic applications because it reduces the degree of stress imposed on the sensitive optical fibers during post-extrusion temperature cycling and over time during end use. A low-shrinkage grade introduced in 2015, Halguard 58620, exhibits a Shore D hardness of 54 and shrinkage of 1.3%, with a UL-94 flammability rating of V-1 and oxygen index of 40.0%.

Teknor Apex recommends Halguard 58625 compound for cable used in mass transit, data centers, cell towers, and other infrastructure applications. For outdoor uses, the new product exhibits good sunlight resistance when tested per UL-1581.

Typical Properties of Halguard® 58625 Compound
Fig. 2: Typical Properties of Halguard® 58625 Compound

“Halguard 58625 compound costs less than comparable premium materials while exhibiting little compromise in performance properties,” said David Braun, wire and cable industry manager for the Vinyl Division. “It is the newest member of a series of HFFR compounds developed by Teknor Apex to meet a range of customer needs while providing lower-cost alternatives to other Halguard and competing HFFR products in general-purpose applications.”

About Teknor Apex


Teknor Apex Company, a privately held firm founded in 1924, is one of the world’s leading custom compounders of plastics. Teknor Apex produces flexible and rigid vinyl, thermoplastic elastomers, nylons, color masterbatches, specialty chemicals, and hoses. The company is headquartered in Pawtucket, RI, U.S.A. and operates thirteen facilities worldwide in the United States, Belgium, China and Singapore.

The Vinyl Division of Teknor Apex Company is among the leading manufacturers of custom compounds, including Apex® flexible and rigid vinyl, Flexalloy® vinyl elastomers, Fireguard® low-flame, low-smoke compounds, and Halguard® low-smoke, halogen free, flame retardant compounds and elastomers. The Division is a global supplier to the appliance, automotive, construction, medical device, wire and cable, and other industries.

Source: Teknor Apex

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