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[PSUBS-MAILIST] PVC was : no-one prepared to comment



Hi Brent - go to the Psub archive folder
search together for the two words : PVC smash
There are a file : "sub bouyancy" that may give 
you some answer..

Carsten

Brent Shaw schrieb:
> 
>  I put up for discussion the use of abs and pvc-u
> plastics for ballast control piping and valves in an
> ambient design.
> 
> No one game enough to comment
> 
> Brent