Premium Cork Ring Holder - 120mm Outer Diameter, Heat Resistant & Insulating for Lab Use | Ideal for Hot Glassware, Test Tubes & Science Experiments

Features: Select high-quality, environment-friendly and high-density synthetic cork The flask holder is pressed by high temperature and pressure, and the thickness is 30mm. Acid and alkali resistance, corrosion resistance, heat resistance, heat insulation Good elasticity,strong friction coefficient,make sure the flask can place stably Suitable for all kinds of round bottom glassware, convenient and practical Spec: 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

Acid and alkali resistance, corrosion resistance, heat resistance, heat insulation

Suitable for all kinds of round bottom glassware, convenient and practical

Select high-quality, environment-friendly and high-density synthetic cork

The flask holder is pressed by high temperature and pressure, and the thickness is 30mm.

Good elasticity,strong friction coefficient,make sure the flask can place stably