Class B Glass Volumetric Flask with Glass Stopper, Class B Glass Volumetric Flask with Glass Stopper features a single graduation and blue markings., Each

Details:

Here is the corrected text: This 3-piece volumetric flask set, Class B and ASTM compliant, includes premium-quality borosilicate glass flasks in three sizes: 250mL, 500mL, and 1000mL. Each flask features a glass stopper and blue graduations. The set meets the ASTM-E288 standard with a tolerance of ±0.10 mL. Borosilicate glass is known for its excellent heat tolerance, with a strain point of 515°C, an annealing point of 565°C, and a softening point of 820°C.