A general overview of cleaning solvents and techniques. Solvent selection and effectiveness: http://www.productionmachining.com/articles/selecting-solvents-for-precision-cleaning Dan Gelbart on coatings and surface cleaning: https://www.youtube.com/watch?v=x7onZGqrYyY https://en.wikipedia.org/wiki/Kauri-butanol_value http://cool.conservation-us.org/coolaic/sg/bpg/annual/v03/bp03-04.html