For a 100mL Pyrex Measuring Cylinder with a Glass Stopper, you are likely looking for a mixing cylinder calibrated “To Contain” (TC). These are designed for accurate volume measurement and the preparation of solutions directly within the vessel.

Key Specifications

• Capacity: 100mL with typical graduation intervals of 1.0mL.
• Material: High-quality borosilicate glass (Code 7740), resistant to chemical corrosion and thermal shock.
• Stopper: Standard Taper glass stoppers (often size No. 16 or 24/40 for specific joints) provide a secure seal for mixing.
• Base: Usually features a stable hexagonal base to prevent tipping.
• Accuracy: Available in Class A (high precision, often serialized with a certificate) or Class B (general laboratory use).