Science folks and lab enthusiasts, this synthetic cork ring holder is one of those simple but essential pieces of lab equipment you'll use constantly! The 110mm outer diameter (also available in other sizes) provides stable support for your round bottom flasks, beakers, and other glassware. Made from environmentally friendly, dense synthetic cork that's pressed under high temperature and pressure, this thing is both durable and reliable. The 30mm thickness gives it substantial stability, so your expensive glassware isn't tipping over easily. The good elasticity of the cork material means it grips your glassware securely while providing cushioning against bumps and vibrations. It's heat resistant and alkali resistant too, so you can use it in various experimental conditions without worrying about degradation. The multi-functional design works with all kinds of round bottom glassware, making it super practical for chemistry labs, school science classes, or home experimentation setups. The simple ring design might not look like much, but it's one of those lab essentials that prevents accidents and makes your workspace more organized. Whether you're setting up distillation apparatus, reaction setups, or just need a safe place to rest your flask, this cork ring delivers reliable performance at a very reasonable price.
Free 30-day returns 
Free 30-day returns
