4Pcs 150mm OD-12mm 2mm thick wall test tube, borosilicate glass blowing tube.
Material: Borosilicate Glass
Outside diameter: 12mm
Thick Wall: 2mm
1.Resistant to high temperature and corrosion.
2.Good quality borosilicate glass, premium borosilicate tubing.
3.This glass tube bends easily with propane (LPG) and oxygen mix.
4.Blowing tubes OD 12mm,150mm length.
5. Fire polished in both sides.
4 x Glass Tubes