[alt-photo] Re: European distributor for Aerosil (fumed silica dioxide)

Kees Brandenburg workshops at polychrome.nl
Thu Mar 1 09:54:14 GMT 2012

Thanks Loris.

I found out that the hydrophobic variants all have an R in the product name as the hydrophilic have not.
So it would be not too difficult to get the right one.




On 1 mrt. 2012, at 10:47, Loris Medici wrote:

> Info: I have the Aerosil 200 variant. It's the "hydrophilic" version,
> with a surface area of 200 m2 per g... First trad. cyanotype test
> (last night) was allright, better dmax, BUT, I still have to find the
> optimum amnt. of silica fume / coating solution amount per area etc. I
> got streaking marks, it's harder to apply the solution onto the
> modified surface... First results are promising though!
> Regards,
> Loris.

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