Product Summary
The Birchwood Casey Perma Blue Cold Blue 32 oz Liquid is a professional-grade solution for achieving a non-streaky, even blue-black finish on steel surfaces. This liquid formula is designed for use on metal that has been thoroughly cleaned and is completely free of rust. It is an ideal choice for hobbyists and professionals looking for a fast-acting blueing agent compared to paste alternatives. Please note that this product is specifically for steel and will not work on stainless steel, aluminum, or other non-ferrous metals.











