Soda-lime glassrod produced by Double Helix, Oxalis is a relative of the Super Lusters, Helios and Notos, in a transparent green-blue glass. A chromium free green based off of test batch OX-380.
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)