Round Bottom Holder, Lab Ring Stand Experimental for 250-1000ml Flask for Round Bottom Flask

【Lab Flask Support Cork Stand】Laboratory Flask Cork Holder is flexible and has a strong coefficient of friction to hold round-bottomed containers safely and stably, keeping round-bottomed flasks upright! Prevents flasks from rolling. Provide safety for your experiments! 【Size and Application】The flask holder is made of high temperature and high pressure, with thickness of 30 mm/0.5 inch and outer diameter of 95 mm/3.7 inch, which can hold 250-1000 ml round-bottomed flasks securely, and it is suitable for all kinds of laboratories, chemistry classrooms, hospitals, chemical factories, and home laboratories. 【High Quality and Durable】Flask holder cork is made of high quality cork, very flexible, thermally and electrically insulating, non-flammable, friction-resistant, waterproof, impermeable, acid and alkali resistant. You can use the laboratory flask cork stand with peace of mind. 【Stable Base】The cork flask holder surface is slightly grainy with the right coefficient of friction. It is a safe and reliable choice for holding flasks or other spherical bottomed containers to prevent them from falling and collapsing, as it will not slip when placed in round bottomed containers. 【Satisfaction Guarantee】If this Laboratory Flask Cork Stand does not satisfy you, please let us know immediately and we can give you a full refund. If you have any questions, please feel free to contact our customer service. We will give you a professional and detailed answer within 24 hours. Click to buy now!