Borosil Weighing Bottles are perfect for the precise weight of solids. Bottles are mechanically strong and chemically resistant. Bottles come with Interchangeable Stopper which seals the inner contents to prevent spilling. Avail. From 5mL to 60mL capacity and complies IS 1574. Capacity 20mL and 40mL are in Squat Form. In collaboration with Borosil Glass Works, Foxx Life Sciences is proud to bring the outstanding quality of Borosil Type 3. 3 Low-Expansion Borosilicate glassware to North America for the first time. Manufactured from the same USP Type 1 borosilicate glass that North American scientists have come to trust, Borosil Laboratory Glassware offers unparalleled mechanical strength, clarity, and reliability at competitive prices. And thanks to a unique annealing process, Borosil Glassware is stress-free and incredibly resistant to thermal shock.