Constructed from standard borosilicate 3.3 s, ensuring excellent durability and for laboratory use. Transparent brown color allows for easy monitoring of reactions while providing protection from light exposure. Resistant to a wide range of chemicals, including acids, alkalis, and organic solvents, making it ideal for various experiments. devised to withstand high temperatures up to 140°C for ​, and heat shock resistance up to 280°C for reliable performance. Uniform wall thickness of no less than 2.2 mm provides added strength and stability during use in applications.