6 Inch Borosilicate Glass Pipes, 20 Pack, High Temp
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$49.99at VXB.com BearingsChecked Nov 3
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A 20-pack of clear borosilicate glass tubes, each 12 mm outside diameter, 9 mm inside diameter and 2 mm wall, with four cleaning brushes. Borosilicate handles heat up to about 1000°C and resists most chemicals, so the same tubes serve lampworking, glass blowing practice and basic lab work. The 2 mm wall is thick enough for handling but still workable over a torch. Compared with soft glass tubing, borosilicate needs more heat and a gentler anneal, which makes it a better fit for people with some torch time than for first-timers.
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Lowest price we've seen: $49.99 on Nov 3 at VXB.com Bearings. Tracked across 1 store since Nov 3.
This set contains 20 clear borosilicate glass tubes for glass blowing, lampworking, lab experiments and craft projects. Each tube has a 12 mm outer diameter, a 9 mm inner diameter and a 2 mm wall.
Borosilicate glass resists high heat, up to 1000°C (2000°F), and resists chemicals. The clear glass makes it easy to see the piece while shaping and inspecting it. Four cleaning brushes are included for upkeep.