DURAN® laboratory bottles, amber glass. Due to the properties of 3.3 borosilicate glass, they are suitable for use with a wide variety of chemicals and culture media. Provide UV protection up to approximately 500 nm wavelength. The DURAN® bottle's interior properties remain unaffected, as the color is applied externally. Available in capacities ranging from 10 mL to 20 L, in both clear and amber glass, with caps made of PP (blue, resistant up to 140°C), PBT (red, resistant up to 180°C), or supplied without a cap. Typical applications include storage and transportation of photosensitive substances.