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                  ——560C
Linear Coefficient of Expansion    —— 32×10-7/C
Softening Point                   ——820C
Note Shipping:
We can provide special shape,special capacity heavy wall laboratory glassware  and other joint size.Â
We have many  kinds of laboratory instrument,could not list all of them in the store,if you have any requirement about lab instrument feel free contact us.Â