Round bottom, HEAVY WALL three necks flask with standard taper outer joints on both the center neck and Staight  side neck. Flasks with joint sizes other than those listed are available, please call for pricing

If you need any other size or ground joint,please contact us by the leave an message

Be Made From G3.3 Borosilicate Glass

Annealing Point ------560℃

Linear Coefficient of Expansion------ 33×10-7/℃

Softening Point------820℃