| Northstar Glassworks Borocolour Colored Rods |
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Northstar Borocolour colored rods are an average length of 18" with a diameter of 5-9 mm diameters.The COE is 32 (12) and Borocolour may be combined with Simax., Northstar. and any other glass with a similar coefficient of thermal expansion. Northstar Glassworks Borocolour Colored Rods are sold by the pound with a 1/4 pound minimum purchase per color. |