[ Material]Made of high-density synthetic cork, ensuring durability and resistance to heat, , and alkali.
[Secure Flask Placement]Designed with strong friction coefficient to hold round bottom flasks securely in place during experiments.
[Multiple Sizes Available]Offers various outer diameters (80mm to 160mm) to fit different flask sizes for versatile lab use.
[Heat Insulation]30mm thickness provides effective heat insulation, protecting surfaces and users from high temperatures.
[Practical Lab Accessory]Ideal for holding round bottom flasks in , research facilities, and educational institutions.

Features:
Select , environment-friendly and high-density synthetic cork
The flask holder is pressed by high temperature and pressure, and the thickness is 30mm.
and alkali resistance, resistance, heat resistance, heat insulation
Good elasticity,strong friction coefficient,make sure the flask can place stably
Suitable for all kinds of round bottom , convenient and practical
Specification:
Material: cork
Outer diameter: 80mm/3.1in, 100mm/3.9in,110mm/4.3in,120mm/4.7in,140mm/5.5in,160mm/6.3in(Optional)
Height:30 mm /1.2in
Weight: Approx.30g~60g/1.1oz~2.1oz
Package list:
1 x Laboratory Flask Cork Stand