Chris,
Try using household bleach. The way I have done it in
the past is to take the screens to a self serve car
wash and brush (or apply however you want) the bleach
on the screen let it sit for a little while and then
blast it with the high pressure rinse. Repeat as
necessary. This has worked great for me in the past
however if the screens are to old just rescreen the
frames with new material. Its not that expensive.
Sam
--- "Christina Z. Anderson" <zphoto@montana.net>
wrote:
> Hi all,
> In screenprinting there is an expensive
> chemical stuff called auto haze
> that removes crud from screens. I noticed today it
> has potassium hydroxide
> in it, in a paste base. Has anyone substituted
> another chemical for this
> stuff in screenprinting that works as well and is
> not expensive? Isn't Red
> Devil Lye 100% sodium hydroxide, and are the two
> (potassium and sodium
> hydroxide) interchangeable to an extent, those of
> you chemists out there who
> are not screenprinters per se?
> Chris
>
>
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Received on Thu Jan 15 10:21:57 2004
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