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Alex W.

I think I have an idea, I might have a cheap way to make rigidizer, and it isn't sodium silicate.

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Is it a problem if the silica suspended in the water I put it in isn't colloidal?  I would be able to grind a piece of quartz to the point that a large majority of that piece is easily suspended in the water I put it in.  I would use a pair of steel surfaces grinding against each other with wet quartz in between, and after a good deal of grinding it as fine as possible, I would use a magnet in a bag in the solution while stirring to extract the iron as much as possible.  I would like to know, if there is one, what the problem is if it isn't a colloidal solution, and if it is a big deal or not.  Any idea?

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14 minutes ago, Jerrod Miller said:

Why bother?  Colloidal silica is pretty cheap, and if you don't want to buy it, you can probably go without it anyway.  

I admit I was a little stupid, I only ever searched kaowool rigidizer and silica powder, which only yielded a bunch of lotions, and I didn't dig any deeper.  

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