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[TowerTalk] KT34XA cracked insulators

To: <>
Subject: [TowerTalk] KT34XA cracked insulators
From: (Bob Wruble)
Date: Tue, 6 May 1997 06:53:05 -0700
if they deterioate the plastic parts so fast am i not having probs???
tx de w7gg

> From: Roger A. Cox WB0DGF <>
> To: Bob Wruble <>
> Cc: towertalk <>
> Subject: Re: [TowerTalk] KT34XA cracked insulators
To: <>
> Date: Tuesday, May 06, 1997 6:26 AM
> 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!
> Roger WB0DGF

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