Jacket reaction Flask
With 24/40 main joint,All the necks could be customized
Made of borosilicate glass
Made by hand blower
Be Made From G3.3 Borosilicate Glass
Annealing Point ------560℃
Linear Coefficient of Expansion------ 32×10-7/℃
Softening Point------820℃
All of our glassware made by the glass blowers,not the poor glass,Please do not
make the comparison with other's glass