TimRobinson Posted April 7, 2005 Report Share Posted April 7, 2005 Following on from the discussions about Mr Darnton's mastic varnish and drying times I thought I'd do a bit of a test before making up my next batch. I put drops of four different types of oil on a length of clear perspex 9 days ago. The have not been exposed to strong sunlight for all that time, but have been in semi shade for most of it. The oils: Artist grade refined linseed Cold pressed extra virgin flaxseed (the one I used in my first batch of varnsih which refuses to dry) 20 year old virgin linseed oil Boiled linseed oil - hardware store variety. The result? They are pretty much the same, however I would say that the artist grade refined oil and the 20 year old virgin linseed oil have dried harder than the other 2. Next step is to mix each with the turps/mastic mixture and put each on some prepared (vernice bianca) timber and see what happens. Regards, Tim Quote Link to comment Share on other sites More sharing options...
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