It is expertly crafted from high-quality borosilicate glass, ensuring exceptional durability and chemical resistance. Designed with a blue graduation mark, this Class A flask offers precise volume measurements, making it ideal for accurate liquid dispensing in laboratory applications. Each flask includes a batch certificate, providing assurance of its quality and accuracy. Equipped with a polyethylene stopper (NS 7/16), it ensures a secure seal, preventing contamination and evaporation of contents. This flask is calibrated to contain (IN) at a reference temperature of +20 °C, adhering to international standards for volumetric glassware.