Laboratory Synthetic Cork Ring Holder for Round Bottom Flask

Features: Select highquality, environmentfriendly and highdensity 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 Specification: Material: cork Outer diameter: 80mm3.1in, 100mm3.9in,110mm4.3in,120mm4.7in,140mm5.5in,160mm6.3in(Optional) Height:30 mm 1.2in Weight: Approx.30g~60g1.1oz~2.1oz Package list: 1 x Laboratory Flask Cork Stand Select highquality, environmentfriendly and highdensity 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