Further to my post regard the down side of this material, it still 
reacted to water based paints as well as oil based one.   It really will 
really offer you problems with oil based paint and I shall be interested 
if anyone has answers from other mediums.   I now use an eco paint made 
in Germany by Aglaia and am finding it very good indeed, they give you 
information on how to get all colours from their primary colours but 
alas, red are a problem.   The best red they have is pure red oxide, 
though a beautiful harpsichord colour it is more a terracotta.    I do 
apologise if this is a bore but it may be of some help to some.

M

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