With standard taper inner joints at both ends.

Adapters with joint combinations other than those listed are available. Please contact us for details.

Adapter, Connecting,  35/20 Lower Ball Joint,the Up ground joint could be available for selection

If you need any other size or other Ground joints,please contact with us

Be Made From G3.3 Borosilicate Glass

Annealing Point ------560℃

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

Softening Point------820℃