We experienced this problem with a small computer fan about 30 year ago. The
fan bearing would fail after a few years, the fan would stall and impedance
protection allowed the fan to sit and cook for months. Eventually the
insulation failed and allowed an arc. The plastic at this point had lost
In a message dated 3/18/03 9:36:18 AM Eastern Standard Time,
richwo...@tycoint.com writes:
If a plastic containing a fire retardant is subjected to high heat (for
example, due to a overheated component) for an extended period of time (many
hours or several days), is it possible that the fire
Richard,
A book that may help you is
Fire Retardancy of Polymeric Materials,
by Arthur F. Grand and Charles A. Wilkie (New York: Marcel Dekker,
2000).
Chapter titles are:
1. The Changing Nature of Fire Retardancy in Polymers.
2. Chemical Aspects of Thermal Decomposition.
3. Fire Test
]
Sent: Tuesday, March 18, 2003 1:57 PM
To: richwo...@tycoint.com; emc-p...@majordomo.ieee.org
Subject: RE: Fire Retardants
Richard, I think that is one of the reason that the flame tests require aging
in ovens before UL et al burn them, but I don't know for certain.
Gary
From: richwo
: owner-emc-p...@majordomo.ieee.org
[mailto:owner-emc-p...@majordomo.ieee.org]On Behalf Of John Woodgate
Sent: Tuesday, March 18, 2003 12:16 PM
To: emc-p...@majordomo.ieee.org
Subject: Re: Fire Retardants
I read in !emc-pstc that richwo...@tycoint.com wrote (in 846BF526A205F8
Richard, I think that is one of the reason that the flame tests require aging
in ovens before UL et al burn them, but I don't know for certain.
Gary
From: richwo...@tycoint.com [mailto:richwo...@tycoint.com]
Sent: Tuesday, March 18, 2003 6:32 AM
To: emc-p...@majordomo.ieee.org
Subject:
I read in !emc-pstc that richwo...@tycoint.com wrote (in 846BF526A205F8
4BA2B6045BBF7E9A6A04675DB4@flbocexu05) about 'Fire Retardants' on Tue,
18 Mar 2003:
If a plastic containing a fire retardant is subjected to high heat (for
example, due to a overheated component) for an extended period of
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