Could hold the 6mm glass rod or thermometer

Available Length:

100mm

200mm

300mm

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

Handle blowing by the glass blowers,not made by the Pouring

If the item will be broken in the delivery process,we will send the replacement to  you right now.

Be Made From G3.3 Borosilicate Glass

Annealing Point ------560℃

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

Softening Point------820℃