On 1-12-2009 16:16, Invisible wrote:
>> Funnily the only use I knew is not in the list. Making ceramics 
>> waterproof if you don't fire it high enough to be non-porous. E.g. if 
>> you fire it Raku style.
> 
> I'm guessing that's similar to the concrete and masonry treatment they 
> talk about. If it makes concrete less porous, chances are it'll work for 
> other things as well...

Yes, it even makes pots that have cracks waterproof again.

> (I wonder if it works for wood?)

AFAIK wood is generally not porous.

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