Soda-lime glassrod produced by Double Helix, Keto is a Blue Speckled Luster similar to other colours Chloe and Ossa.
Working Tip Work in a neutral flame, and cool until glow is gone. Create a reduction flame by reducing oxygen, increasing propane and gently reheat in reduction flame
Double Helix glass is compatible with all Effetre, Vetrofond and Precision 104 colours.
Glass for flamework: beads and spun glass.
Coefficient of expansion (COE) 104
Annealing temperature: 470°C (878°F)