These 250 ml flat bottom boiling flasks are crafted from high-quality borosilicate glass, renowned for its exceptional heat resistance. Featuring a narrow mouth, tooled top finish, and thick walls, these flasks are designed for durability and precise performance in various lab applications. Ideal for both home school and classroom labs, they are sold in a convenient pack of 12. This size flask pairs with Size 6 Rubber Stopper (SKU: RS-6).
 
Features:
 
Borosilicate Glass: High resistance to thermal shock and chemical corrosion.
Heat Resistant: Suitable for boiling and other high-temperature applications.
Flat Bottom: Provides stability and ease of use on flat surfaces.
Narrow Mouth: Reduces the risk of spills and contamination.
Tooled Top Finish: Ensures a smooth and precise fit for stoppers or other lab equipment.
Thick Walls: Enhanced durability and longevity.