Constructed from standard borosilicate 3.3 s, offering excellent durability and resistance to thermal shock. Features a transparent brown color, allowing for easy observation of contents while maintaining chemical stability. devised to withstand high temperatures up to 140℃ for ​, making it ideal for laboratory use. Low coefficient of thermal expansion ensures reliability and during rapid temperature changes up to 280℃. Resistant to a wide range of chemicals, including acids, alkalis, and organic solvents, ensuring versatility in various applications.