Product Introduction
Our 4-neck round bottom flask is a staple glassware essential for professional laboratory, chemical research, and educational experiments. Crafted from premium borosilicate glass (GG-17), it combines excellent chemical resistance, high temperature resistance, and thermal shock resistance—making it ideal for heating, distillation, reflux, and solution preparation processes. We offer multiple volume specifications and standard joint sizes to meet your diverse experimental needs, ensuring perfect compatibility with other lab glassware (e.g., condensers, stoppers, adapters).
Core Features
✅ Premium Borosilicate Glass MaterialMade of high-grade GG-17 borosilicate glass, non-toxic, corrosion-resistant to most acids/alkalis/solvents, and can withstand temperature changes from -20°C to 500°C without cracking.✅ Standardized Joint SizesTwo universal joint specifications: 1926 and 2429 and 2440(outer diameter * inner diameter), perfectly matching standard lab glass accessories for seamless assembly.✅ Multiple Volume OptionsAvailable in 50mL, 100mL, 250mL, 500mL—suitable for small-scale sample testing to medium-volume chemical reactions.✅ Precision CraftsmanshipSmooth neck joint, uniform glass wall thickness, no bubbles or impurities; the round bottom design ensures even heating and easy mixing of solutions.✅ Durable & ReusableHigh mechanical strength, not easy to break under normal experimental operation; easy to clean and reusable for long-term use
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