Lab glass Flange lid,145mm outer diameter

The standard Outer diameter of the Flange is 145MM,

the fault joint for the necks is 24/40

If you need the customized size,please contact with us by the message before place the order.

it is the smooth flange,not the O-ring flange,if you need the O-ring flange,please contact with us before you will place the order.

Our flasks are heavy wall design, made by hand-blowing to ensure uniform wall thickness, and made of high-quality borosilicate glass G3.3 and annealed at 800 degree Celsius, can be heated directly in an open flame and can withstand typical laboratory thermal variations in Chemistry processes like heating and cooling.

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 ------560C

Linear Coefficient of Expansion------ 32×10-7/C

Softening Point------820C