I need to finish a series of ongoing frames in a very smooth , tough method , much like the satinwood finish you get in commercial frames from all the major suppliers. We have tried every possible method and are getting close but no cigar. I need to finish the wood in black or white and I do not want the finish like a piano but a more dull satin smooth look. Has anyone figured a way to do this any help would be greatly appreciated. We cut and join our frames inhouse and up until now , oiled or stained the wood but the grain always shows through and I am trying to avoid the wood grain.