250ml Round Bottom Flask (Borosilicate Glass)

This 250ml Round Bottom Flask is a staple for any professional or educational laboratory. Crafted from high-quality, heat-resistant borosilicate glass, it is designed for uniform heating and superior chemical durability. Its spherical shape is specifically engineered to withstand thermal stress and provide a greater surface area for evaporation, making it the go-to vessel for distillation, chemical reactions, and heating liquid samples.
Technical Specifications
| Feature | Specification |
|---|---|
| Capacity | 250 mL |
| Material | Type 1, Class A Borosilicate Glass |
| Shape | Round Bottom (Spherical) |
| Neck Style | Narrow / Beaded Rim |
| Max Temperature | Approx. 500°C (Stable at 180°C) |
| Autoclavable | Yes |
Key Features
- Premium Borosilicate Glass: Exceptional resistance to thermal shock and chemical corrosion.
- Uniform Wall Thickness: Ensures even heat distribution to prevent cracking during high-temperature applications.
- Reinforced Rim: Heavy-duty beaded rim for increased mechanical strength and a secure grip.
- Standard Narrow Neck: Designed for compatibility with standard lab stoppers and clamps.
Common Applications
- Distillation: Ideal for boiling liquids where uniform heat distribution is critical.
- Chemical Synthesis: Used as a reaction vessel for organic and inorganic chemistry.
- Heating/Boiling: Compatible with heating mantles and sand baths.






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