Versatile blackening solution. Concentrate can be brushed, sprayed, or used as immersion. Dilutable with water, 10% for standard immersion bath or 50/50 for brush-on applications. Produces darkest black on steel and iron alloys.
Instant acting Blackener/touch-up for tools/machine parts or decorative surfaces. Reacts with steel and iron to create black patinas, with artistic techniques can achieve gray/black or blue/black appearances.
Unique Gel formula has a slower reaction than BST4 Liquid, giving the user an extra measure of control when dealing with large surfaces. Gray/Black finish.
