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Glass Borosilicate Colored Glass Rod and Tubing - 33 Coe Northstar Glass
Dark Cobalt Blue Glass Rod (NS-20)
- Rod– Sold in 1/4lb increments
NS-020 Dark Cobalt is the second most saturated of the four shades of cobalt blue Northstar produces. Dark Cobalt is well suited for thin blown work and cane work. Because of its intensity it must be worked in an oxidizing flame to prevent graying. Priced per 1/4 lb. increments
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