Description
Pyrex Round Bottom Flask 250ml
Specifications
| Specification | Details |
| Product Name | Round Bottom Flask 250ml Pyrex |
| Capacity | 250ml |
| Material | Pyrex Borosilicate Glass 3.3 |
| Type | Round bottom flask (RBF) |
| Glass Quality | High-grade laboratory borosilicate glass |
| Neck Type | Single neck with standard ground glass joint |
| Joint Size | 14/23, 19/26, or 24/29 (common sizes) |
| Joint Type | Standard taper ground glass joint |
| Shape | Spherical/Round bottom |
| Wall Thickness | Uniform, heavy-duty laboratory grade |
| Heat Resistance | Up to 500°C thermal shock resistant |
| Chemical Resistance | Excellent resistance to acids, bases, solvents |
| Thermal Expansion | Low coefficient (3.3 × 10⁻⁶ K⁻¹) |
| Transparency | Crystal clear, transparent glass |
| Graduations | Ungraduated (standard) |
| Base Stability | Requires flask support/stand |
| Overall Height | Approximately 130-150mm |
| Body Diameter | Approximately 80-90mm |
| Neck Length | Approximately 50-70mm |
| Weight | Approximately 150-200g |
| Standards Compliance | ISO 1773, ASTM E1404 |
| Autoclavable | Yes (121°C) |
| Maximum Temperature | 500°C (short-term exposure) |
| Working Temperature | Up to 230°C (continuous) |
| Application | Distillation, reflux, rotary evaporation, synthesis |
| Suitable For | Organic chemistry, analytical chemistry, research |
| Compatible With | Heating mantles, water/oil baths, rotary evaporators |
| Vacuum Rated | Yes (suitable for vacuum distillation) |
| Cleaning | Autoclavable, acid/base cleanable |
| Manufacturing Standard | ISO certified production |
| Quality Grade | Laboratory grade / Analytical grade |
| Packaging | Individual protective packaging |
| Warranty | Manufacturer quality guarantee |
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