Borosil 5644012 - 50 ml Quartz Volumetric Flask With I/C Quartz Stopper, Class B are precision laboratory instruments designed for accurate preparation of standard solutions and precise dilutions. Constructed from high-purity quartz, these flasks offer exceptional thermal stability and chemical resistance, making them suitable for a wide range of laboratory applications. Available on EnvMart, these Laboratory Glasswares are crafted from high-quality materials using advanced techniques to ensure precision and durability. Borosil Glasswares are trusted for their accuracy and reliability, making them a preferred choice in laboratories for various scientific applications.