One problem is with "retractile" type jacketed cables (used for coiled
cables).  PVC just doesn't work.  These are usually polyurethane, which have
traditionally used halogen-based flame retardants.  There are some
non-halogenated compounds available.  BF Goodrich for instance, produces a
product called ESTANE that has a non-halogen flame retardant.  You should
specify the jacket material on the cable drawing or you will likely get a
halogen flame retardant for polyurethane cables.

Darrell Locke
Advanced Input Devices
 ----------
From: Rich Nute
To: wo...@sensormatic.com
Cc: emc-p...@majordomo.ieee.org
Subject: Re: WEEE Directive
List-Post: emc-pstc@listserv.ieee.org
Date: Tuesday, November 09, 1999 8:03AM




Hi Richard:


>                                                    Are there currently any
>   alternative wire and cable constructions that comply with UL and NEC
flame
>   requirements without the use of halogenated flame retardants?

I believe PVCs are "naturally" flame-retardant materials
i.e., have no flame retardants added to them.

Many commonly-used wire and cable insulations are PVC.


Best regards,
Rich



 -------------------------------------------------------------
 Richard Nute                      Product Safety Engineer
 Hewlett-Packard Company           Product Regulations Group
 AiO Division                      Tel   :   +1 858 655 3329
 16399 West Bernardo Drive         FAX   :   +1 858 655 4979
 San Diego, California 92127       e-mail:  ri...@sdd.hp.com
 -------------------------------------------------------------




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