Soda-lime glassrod produced by Creation is Messe (CiM), Yangtze Ltd Run is a core of clear, encased in transparent yellowish green, encased in clear.
They are 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)