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[TowerTalk] KT34XA cracked insulators

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Subject: [TowerTalk] KT34XA cracked insulators
From: (David L. Thompson)
Date: Tue, 6 May 1997 14:57:18 -0400 (EDT)
At 09:26 AM 5/6/97 -0400, Roger WB0DGF wrote:
>Polycarbonate resins, such as GE LEXAN and others, are extremely
>susceptable to solvents such as WD-40.  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!

K1KP said that KLM recommended warm water to get the caps on the aluminum.
Guess warm water means less than 140 deg F.

Dave K4JRB 

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