- **Product Specifications:** - Capacity: 250ml - Color: Clear - Material: 3.3 Borosilicate Glass - Size: 250 x 80mm (9.84 x 3.15 inches, H*OD) - Flask Neck Outer Diameter: 21mm (0.83 inches) - Flask Neck Inner Diameter: 15mm (0.59 inches) - Flask Cap Diameter: 14mm (0.55 inches) - Tolerance: 20 degrees Celsius ± 0.15ml - Packing List: 1 Volumetric Flask - **Key Benefits:** - **Durable Construction:** Made from thickened borosilicate glass designed to withstand extreme temperatures, ensuring longevity and reliability. - **Chemical Resistance:** The flask’s material provides superior resistance to various chemicals, making it ideal for laboratory use. - **Leak-Proof Design:** Features a glass stopper that minimizes evaporation and prevents liquid leakage, ensuring accurate measurements and safe handling. - **Precision Measurement:** The transparent body and clear white graduation lines allow for easy reading and precise liquid measurements. - **Usage Instructions:** - When transferring liquids, use a glass rod for a steady pour. - As you approach the measurement line, utilize a dropper to add liquid slowly until the concave meniscus aligns with the scale. - Secure the stopper and gently shake to ensure even mixing. - **Practical Applications:** - **Laboratory Use:** Essential for conducting experiments, mixing solutions, and precise measurements in scientific research. - **Chemical Preparations:** Ideal for preparing chemical solutions in educational or professional settings. - **Quality Control:** Suitable for use in industrial laboratories where accurate liquid measurements are crucial for product testing and formulation. This volumetric flask combines quality materials with practical features, making it a must-have tool for anyone requiring precision in liquid measurements.