3-Neck Round Bottom Boiling Flask, Angular Neck, 24/40 Joints, Borosilicate Glass (100–1000 mL)
3-Neck Round Bottom Boiling Flask, Angular Neck, 24/40 Joints, Borosilicate Glass (100–1000 mL)
- • Three-Neck Angular Design: Enables simultaneous connections for distillation, reflux, and instrumentation
- • 24/40 Ground Glass Joints: Precision-fit joints ensure leak-resistant, secure lab assemblies
- • Borosilicate 3.3 Glass: ASTM E-438 Type I glass provides superior chemical and thermal resistance
- • Uniform Wall Thickness: Enhanced strength and thermal shock resistance for repeated lab use
- • High Heat Tolerance: Rated strain point 515 °C, annealing point 565 °C, softening point 820 °C
- • Multiple Capacities Available: Compatible parent listing for 100 mL, 250 mL, 500 mL, and 1000 mL variants
The United Scientific® 3-Neck Round Bottom Boiling Flask is engineered for advanced laboratory applications including distillation, reflux, and multi-step chemical synthesis. Featuring an angular three-neck design with precision 24/40 ground glass joints, this flask allows secure connections to condensers, thermometers, and adapters—making it ideal for complex experimental setups.
Manufactured from low-expansion borosilicate 3.3 glass (ASTM E-438 Type I), the flask offers excellent chemical resistance, thermal stability, and durability under repeated heating and cooling cycles. Uniform wall thickness enhances mechanical strength and resistance to thermal shock, ensuring consistent performance in demanding laboratory environments.
Available in multiple capacities from 100 mL to 1000 mL, this three-neck round bottom flask is suitable for academic teaching labs, industrial research, and professional chemistry workflows requiring reliable, high-temperature glassware.
