Used to connect dissimilar standard taper joint sizes. Lower inner joint is smaller in size than the top outer joint.

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

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℃