Birmingham Traditional Ink [50ml] Color:Washed Lavender Helio Tropium is a light

Helio Tropium is a light cool gray based ink with violet and silver glitter

Its octagonal metal body ensures a solid grip and distinctive look

Gift Box

580 has increased ink capacity

Birmingham Traditional Ink [50ml] Color:Washed Lavender Helio Tropium is a lightThese inks are a part of the Keystone Formula fountain pen ink line, Birmingham's traditional dye colorant ink. The 50mL volume will provide approximately 62 standard converter refills assuming a 0. 8mL draw. Birmingham compartmentalized their fountain pen ink recipes into four principal categories characterized by differentiating elements of the colorant component in the formula. A colorant is a dye or pigment that exhibits color. An ink vehicle is a