Blackening Chemicals For Suppliers - Blackening chemicals, also known as black oxide coatings, are used to create a durable, aesthetically pleasing black finish on metal surfaces. These coatings provide corrosion resistance and enhance the appearance of the metal. When looking for suppliers of blackening chemicals, consider those who offer a range of products tailored to different metals and applications. - Popular Blackening Chemical Suppliers 1. Birchwood Technologies - Products: They offer a range of black oxide solutions for ferrous metals, stainless steel, aluminum, and copper alloys. - Specialty: Known for room temperature and hot black oxide processes. - Website: Birchwood Technologies