The HBG Glass Graduated Pipette (50ml) is a precision laboratory instrument made of high-quality glass, typically according to DIN standards and Class B accuracy. This brand is of German origin and is widely used in analytical chemistry, biology, and medical laboratories for accurate liquid measurement and transfer. 

Key Specifications

• Capacity: 50ml.
• Accuracy Class: Class B (standard for most routine lab work).
• Material: Chemically resistant glass (often borosilicate or AR-GLAS®).
• Graduations: Features clear, permanent markings (often blue or brown enamel) for high readability.
• Safety Features: Sizes 10ml and higher, including the 50ml version, are typically provided with a cotton plug at the top for safety.
• Calibration: Calibrated to deliver (Ex) with zero at the top.