Soda-lime glassrod produced by Double Helix, Elektra 2.1 is the new formula of Elektra whichh is brighter and cleaner.
This aquamarine glass can be reduced to metallic mirror effects, creamy blues and greens or if reduced repeatedly or heavily, strong reds.
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)