[Milsurplus] [BoatAnchors] Water, Water Everywhere.

[Bob Camp]

Hi

In some cases (Nylon is a real good example), plastics have water in them that dries out as 
they age. Another thing to think about in a “dry out” process ...

Bob

> On Dec 11, 2015, at 11:56 AM, David Stinson <arc5 at ix.netcom.com> wrote:
> 
> 
> ----- Original Message ----- From: "Spencer Petri" <wa5jci at basicisp.net>
> 
> 
>> I've had the clear viewing window on an RCA submarine receiver shrink until it is about ready to fall out, why is this?
> 
> The old plastics were made with chemicals that "outgas"
> and evaporate away over the decades.
> The result is shrinkage.
> 
> 
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