Blackening Chemicals Online - When looking for blackening chemicals online, there are several types depending on your needs, such as metal blackening solutions, wood stain, or even automotive trim restoration products. Here are some popular options: 1. Metal Blackening Solutions: - Cold Bluing: Used for firearms and metal parts. Brands like Birchwood Casey offer these products. - Black Oxide Kits: These are typically used for treating steel. Check for kits from manufacturers like Brownells or Caswell. 2. Wood Stains: - For wood projects, products like Minwax or Varathane offer dark stains that can give a black finish. 3. Automotive Trim Restorer: - Look for products specifically designed for blackening plastic trim, such as Meguiar\'s Ultimate Black or Griot\'s Garage Black Shine.#Blackening Chemicals Manufacturer.