These volumetric flasks are constructed from low-actinic amber glass, providing protection for materials that are sensitive to light. 

• Low-actinic amber glass for light sensitive materials
• Made of premium borosilicate glass with a low coefficient of expansion
• Designed 'to contain' with a temperature of calibration at 20 °C (68 °F)
• The graduation line is sharply defined and of uniform width
• Each flask has a large marking square and includes a glass stopper
• Wide range of sizes available (10 to 1000 ml)

These flask feature machine-blown bodies and heavy-beaded, heavy-tubing necks that are tooled for standard taper glass stoppers. Each volumetric flask is supplied with a standard taper glass stopper which provides a leakproof seal. This airtight seal not only preserves the integrity of your samples but also enhances the reliability of your volumetric measurements.