Constructed from standard borosilicate 3.3 s, ensuring durability and resistance to thermal shock. devised for reactions, this transparent brown box offers excellent water, acid, , and organic matter resistance. Capable of withstanding high temperatures up to 140℃ for ​ and rapid temperature changes up to 280℃. Features uniform wall thickness with a minimum thickness of 2.2 mm, providing added strength and reliability. Ideal for laboratory experiments and fuel cell applications, ensuring safe and effective usage in various scientific .