Re: Silicone... while we're on the subject...

[Wright Huntley <jwwiii at pacbell_net>]

Lee, I have exposed tanks to 50% bleach for weeks with no damage to the
silicone. [Goes back to my problem with *Mycobacter marinum*, Fish TB.]

Sodium hypochlorite is a powerful oxidizer of many natural organic
materials, like proteins, but seems to have no impact on silicone,
high-density polyethylene (?) and many other plastics. Some, like 2L soda
bottles and vinyl tubing are quickly attacked, so use caution until you are
sure.

Wright

> Date: Mon, 25 Mar 2002 00:48:36 -0500
> From: "Rebecca" <r2r at sympatico_ca>
> Subject: Re: Silicone... while we're on the subject...
> 
> Hoping someone has some data on this...
> 
> What strength of bleach/water solution, for how long, would damage the
> silicone in a tank? Does exposure to bleach weaken the seal at all, even if
> damage is not visible?
> 
> 
> Lee Warner
> Santa Rosa.Ca
> 

-- 
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