Be made of G3.3 borosilicate glass.
This borosilicate glass with low linear coefficient of expansion is ideal choice for fabricating laboratory glassware.
Annealing Point ------560℃
Linear Coefficient of Expansion ------ 32×10-7/℃
Softening Point ------820℃
Size:approx 13.9cm*6cm
Net Weight: 48g
:Transparent
The outer Diameter of the Tube is 8MM,the Inner Diameter is 5MM
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