Michael_Molnar Posted May 14, 2022 Report Share Posted May 14, 2022 9 hours ago, Jim Bress said: This is a cut off from the willow cello back that’s part of my current build. Over a year ago I shaped the piece of scrap wood into a door wedge because it was already almost in that shape. I had just finished making a batch of varnish from Roger’s recipe plus bits of information I learned at a few of Joe Thrift’s workshops. I thought a doorstop would be a good stress test for the varnish. A year + of kicking into a door bottom (you can just make out some scrape marks) and the varnish is nearly undamaged. There are places where the wood dented but the varnish didn’t crack, and it won’t take a scratch from a fingernail. I didn’t lime the rosin. Maybe it’s a fluke batch that happens to work. I guess I’ll find out in time. Point is, I don’t think you’ll get all your answers from the ingredients, as the main ingredient is the cook. Jim, Please give helpful details such as oil:rosin, additives, pigments. Quote Link to comment Share on other sites More sharing options...
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