These are general purpose inks that can be used in most applications. Royal Mark ink is known industry wide for its quality across pre-inked stamp brands. Alcohol based, it dries on porous surfaces in 30 seconds, non-porous in 2 minutes. Xstamper ink should only be used with Xstamper pre-inked stamps. This ink is formulated for use in automatic numbering machines with metal printing wheels only.
Oil based, it acts as a lubricant for the inner workings of the machines.
Dries quickly, use on paper products only. The ink is formulated to be non-hazardous and wash off easier than other inks. Dries instantly on skin. Ink is made to show up under a a black ultraviolet light. Sure-Print Indelible Laundry Marking Ink Terrific for laundry marking, wood marking and many porous surfaces.