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[TowerTalk] KT34XA cracked insulator

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Subject: [TowerTalk] KT34XA cracked insulator
From: edwoods@pbsac01.isp.PacBell.COM (Woods, Eric D (edwoods))
Date: Tue, 6 May 1997 12:19:00 -0700
As we found out at NB6G (now K6RY), bird poop should also be added to the 
list of offending compounds that cause a these insulators to fail.

Eric, K6GV

  The GE book lists these chemicals
to avoid:

Amines, Aromatic Hydrocarbons, strong alkaline detergents, Esters,
Halogenated Hydrocarbons, Ketones.

Also avoid the following combination:  High stress, Hot water, High
temperature (140-160 deg F).

It is really amazing to see the effects of these chemicals on a sample
part.  Extreme crazing and cracking in a matter of seconds!

Roger WB0DGF

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