Difference Between Class A and Class B Glassware

There are all different types of classifications when it comes to laboratory instruments. One example of similar instruments with different classifications is laboratory glassware. You can group laboratory glassware into Class A and Class B groups, and while they might not look very different at a glance, these classifications have different purposes and designs. Discover the difference between Class A and Class B glassware for your lab.

What Is Class a Glassware?

Class A glassware has the highest level of accuracy out of all the different types of glassware. This type of glassware is manufactured from borosilicate material, which gives it superior properties over other types. Class A borosilicate glassware has superior thermal and chemical resistance properties, which are helpful when working with chemicals common in laboratory experiments.

What Is Class B Glassware?

Class B glassware is made for more general-purpose use around the laboratory. Class B glassware is typically manufactured from soda-lime glass, which is suitable for most materials but not for long-term chemical holding or exposure. Due to its soda-lime material, Class B glassware isn’t as resistant to chemical and thermal conditions.

Class A and Class B Differences

The main difference between Class A and Class B glassware is their manufacturing materials.

• Class A is made of strong borosilicate material, while Class B is made from soda-lime material, which makes Class A glassware superior for chemical experiments.
• Class B glassware is not as accurate as Class A and requires more frequent calibration sessions. However, due to its more multi-purpose use, Class B glassware is a cheaper and more affordable option.

Whether you use Class A or Class B glassware in your laboratory depends on the type of experiments you’ll be performing. Both have their unique applications and properties. The differences between Class A and Class B lab glassware can help you decide which is best for your lab.

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Reference:

Difference Class A and Class B Glassware

A quick guide to Classifications of Laboratory Glassware

Shared by Opeyemi Akinbuli.

opeyemi@aasnig.com / 08068129603