Dense Black Ink: Provides clear, detailed fingerprints with its rich, black color Quick-Drying Formula: Allows for efficient processing with rapid drying on paper Versatile Usage: Remains soft and usable on a slab for extended periods Temperature Resistant: Maintains quality even in extreme temperature changes Globally Trusted: Used by identification departments worldwide for reliable results Specially formulated for fingerprint work only, this densely-black ink is free flowing, easily rolled and dries quickly on paper—but will remain soft and usable on a slab for days. This ink is not adversely affected by extreme temperature changes. It is used by large and small identification departments throughout the world.