Re: TOXIC CABLES

[ttweed@wildrockies.org (Tony Tweedale)]

According to the URL, PVC cable  manufacturers make a huge deal of PVC's
higher T at which it bursts into flame.  Conversly, that means it smolders
longer and stronger, and much of that occurs near or in a.c. or ventilation
ducts--apparantly the controlling variable in the Dussoldorf airport fire
deaths, e.g.
---

>I had a discussion with a technical sales guy from a cable manufacturer the
>other day, who happened to be eating in the same Chinese restaurant as I was
>and overheard a conversation I was having with my daughter on environment...
>
>He told me that, categorically, PVC is used as sheathing on cable for
>ECONOMIC reasons only. All of the other, non-toxic coverings (which are
>apparently available today), are superior to PVC in one or more ways -
>structural strength, creep resistance, fire retardancy, smoke generation,
>etc.
>
>Just a data point and my 2c
>Jon
>-----Original Message-----
>From: Tony Tweedale <ttweed@wildrockies.org>
>To: Multiple recipients of list DIOXIN-L <dioxin-l@essential.org>
>Date: Monday, October 26, 1998 2:35 AM
>Subject: TOXIC CABLES
>
>
>>http://saxophone.agora.com/Tutorials/Toxic_Cabling.html
>>
>>is a qualitative but serious looking (I haven't read it yet) medium length
>>discussion of halogenated cable sheaths, w/ a neat .gif in the middle
>>showing the inhalation  LC50's for burning halogenated (more sensitive
>>LC50) vs. nonhalogenated (less sensitive) cables.
>>
>>Tony Tweedale