Northstar Exp. #19 CFL (EXP19)

Experimental #19 is a transparent purple, CFL reactive borosilicate color from Northstar Glassworks and Gaffer Glass. It refines the color first released as Experimental #13 and has the same color and CFL reactive properties. It is stable, air-free and buttery smooth to work. Transitional quality is a mix of standard first and odd quality glass.