Re: [Strawbale] Potassium silicate

[André de Bouter <m.ep@laposte...>]

In what way have you applied it?

Greetings,
André

> We've used pottassium silicate over limeplaster on our house and are
> very pleased with the results.
>
>
> www.keimpaints.co.uk  - its very hard wearing, but it aint cheap !!
>
> -----Original Message-----
> From: strawbale-admin@amper....muni.cz
> [mailto:strawbale-admin@amper....muni.cz] On Behalf Of Michel Van
> Mulders
> Sent: 03 March 2003 01:04
> To: strawbale@amper....muni.cz
> Subject: [Strawbale] Potassium silicate
>
> Hello straw bale friends,,,,,,,,,,
>
>
> I read some message about potassium silicate.( It is the same as sodium
> silicate= chemical name) It was used in the old days also and most known
> as an egg preservant. More chemical explanation a can be done but
> basically it hardens a surface as long as it has a porous nature or it
> will form a layer on top. For the example of eggs, it closes the pores
> and by preventing oxygen to enter preserves the freshness of the
> egg.....
> It has also in my experience a oxidizing effect on wood, giving hard
> woods an older appearance.  It dulls though the effect of reflection of
> wood itself and is therefore in my opinion not so good aesthetically. If
> applied thick or in more layers it will form a hard coat that is water
> proof and very wear resistant. It is alkali. Probably  it could be good
> as a binder and a natural water repellent, if not used too strong and in
> little amounts, well diluted.
> Hopefully we will get some more information via this mailing list,
>
> Greetings from the sunny side of the Alps,
>
> Michel Van Mulders
> Violinmaker-restorer.
>
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