Herb, This is a hot salt blue process... not rust blue as Herb Fisher requested...
It will certainly work for reblueing an entire assembly, but I wouldn't recommended this process for touch ups... it is a hot, smelly and caustic process...
__________________
regards, -John S
"...We hold these truths to be self-evident that ALL men are created EQUAL and are endowed by their Creator with certain UNALIENABLE rights, and among these are life, LIBERTY, and the pursuit of happiness..."
|