SIBATA 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. 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. The low-actinic amber lass provides protection for materials sensitive to light. All sizes are supplied with a glass standard taper stopper which provides a leakproof seal, depending on the liquid used.
- Meets ASTM E-288 Class A Specifications
- Graduated To Contain