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Teknor Apex’s New PVC Compounds Meet Flame Test Requirements for Tray Cable Jackets

Published on 2018-09-12. Author : SpecialChem

TAGS:  Electrical & Electronics    

Tray Cable Application
Tray Cable Application
Four new PVC jacket compounds meet flame test requirements for power and control tray cables while providing enhanced-performance options for specific applications. Teknor Apex Company will introduce the compounds at IWCS 2018 (Booth 213).

Extending Range of Power Enhancements

All four compounds pass requirements for UL-1277 (electrical power and control tray cables with optional optical-fiber members) and UL-13 (power-limited circuit cables); meet the CSA FT-4 burn tests with appropriate cores; and have a maximum continuous operating temperature of 105 °C.

Four New PVC Compounds

The compounds are listed below with Shore A durometers given as 15-second Hardness Stand readings:
  • Apex® 70018 is a 73 Shore A PVC compound that yields soft, low-gloss, highly flame-retarded jacketing for use over polyethylene. The material is capable of achieving UL Oil Resistance I and II ratings, features an oxygen index of 41%, and, with a brittle point of -16 °C, is suited for indoor use. 

  • Apex® 70020 is a 79 Shore A PVC compound for outdoor-rated jackets over crosslinked polyethylene. It is capable of Oil I and II ratings and is designed to pass -25 °C cold impact and -40 °C cold bend tests.

  • Apex P-55007 is an 82 Shore A blend of PVC and thermoplastic polyurethane (TPU) formulated for use in appliance wiring and tray cables over polyethylene cores. The most flame-retardant of a series of PVC/TPU blends, it has an oxygen index of 35% and a brittle point of -49 °C.

  • Flexalloy® 9627-79 is a 67 Shore A PVC elastomer developed as a spatter-, oil-, and UV-resistant material for welding cable. It meets the UL-62 standard for flexible cable and is for use over PVC or crosslinked polyethylene cores. The low-gloss compound has a -38 °C brittle point and a 34% oxygen index.

David Braun, wire and cable industry manager for the Vinyl Division, said:
“Teknor Apex originally developed these four PVC jacket compounds to solve challenging application problems in the marketplace. While meeting stringent flame test standards for power and control tray cables, each of the four maximizes certain properties that enhance the performance of target applications.”

Source: Teknor Apex Company
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