DURAN® is a leading premium brand for laboratory glassware, offering a wide range of high-quality products including glass bottles, beakers, flasks, and desiccators. Made from borosilicate glass 3.3 and engineered in Germany, it combines over 120 years of manufacturing expertise with excellent product quality. DURAN® borosilicate 3.3 glass is notable for its very high chemical resistance, inert behavior, transparency, a high usage temperature, and minimal thermal expansion. Trust DURAN® for your laboratory glassware needs.