Galoot Image Central Pics from the Porch Home :: Login Album list :: Last uploads :: Last comments :: Most viewed :: Top rated :: My Favorites :: Search Home > User galleries > OldSneelock > My process for chemically sharpening a file My process for chemically sharpening a file TITLE  +   -  FILE NAME  +   -  DATE  +   -  POSITION  +   -  001.JPGDrain cleaner - concentrated sulfuric acid71 viewsGrease --- Food residue Paper ---rinds Hair --- soap Tobacco & everthing else it touches!! BE CAREFUL!!! .OldSneelock 003.JPGResult71 viewsThere is a black residue left on the file which I'm told is the carbon left when the iron is disolved from the surface of the steel. OldSneelock 002.JPGSulfuric acid bath62 viewsCheap plastic container with a snap close lid. OldSneelock 004.JPGThe laboratory - as far away as I can get and down wind62 viewsThe fumes from this stuff will condense and etch the surface of anything it touches. OldSneelock 4 files on 1 page(s) Powered by Coppermine Photo Gallery and JoomBla!