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. Thickness of the gel helps adhere and react to vertical surfaces to produce uniform results. Gray/Black finish.