Teflon™ is a trademark of The Chemours Company FC, LLC, used under license by Nalge Nunc International Corporation.

† The term Leakproof applies to Thermo Scientific Nalgene products that meet the following standards: a) For bottle/flask/funnel sealing systems with cap sizes less than 100mm, when After filling with water, invert it for 2 minutes under an atmospheric pressure of 2 psig, and the water inside will not overflow; b) For bottle/funnel/flask sealing systems with a cap size greater than 100mm, after filling with water, invert it for 15 minutes, and the internal water will not overflow. of water will not overflow. Note: If other liquids are used for the above test, different results may be obtained. To ensure safe use, customers are advised to test Thermo Scientific Nalgene bottles and closures under planned application conditions. Thermo Scientific Nalgene products are leak-proof when used with Nalgene sealing caps at room temperature and pressure.