Platinum Chou Kuro was developed in pursuit of the ultimate black color ink for fountain pen. The black color is produced when the pigment particles react with the mineral content...
Made using traditional Japanese iron gall formula, the Platinum Classic inks have great water resistance properties. This is a good ink for use on documents like agreements and contracts etc....
At the first glance this looks like any other ink bottle but inside this nondescript bottle lies an ink reservoir. Simply tighten the bottle cap and flip the bottle upside-down...
Made using traditional Japanese iron gall formula, the Platinum Classic inks have great water resistance properties. This is a good ink for use on documents like agreements and contracts etc....