Class A, To Contain, Volumetric Flasks meet ASTM E-288 Class A Specifications & USP Standards for Volumetric Glassware. These flasks feature machine-blown bodies and heavy-beaded, heavy-tubing necks which are tooled for standard taper stoppers. The graduation line is sharp and permanent; large, white block-letters allow the labeling to be easily read. Each flask also has a large marking square. All sizes are supplied with a glass standard taper stopper which provides a leakproof seal, depending on the liquid used.
KEY FEATURES
- Meets ASTM E-288 Class A Specifications
- Graduated To Contain
- Available in capacities from 5mL to 2000mL
- All sizes include a glass standard taper stopper