Watch Glass 90 mm China for Biology Lab

Watch Glass 90 mm is provided with a stable base and is made of chemically resistant virgin glass.  Will withstand temperatures up to 120°C. May also be used as beaker covers. Diameter: 90mm, Country of Origin: China, Supplier- Kommullo Bangladesh.

A watch glass is a shallow, round piece of glass, typically used in laboratory settings for various purposes. A 90 mm watch glass is a specific size that falls within the common range of diameters available. Here’s a bit more about it:

Features and Benefits:

1. Material: Made from durable, non-reactive glass, which makes it suitable for various chemical and biological applications.
2. Diameter: At 90 mm, this size is versatile for covering beakers, evaporating liquids, or holding small samples.
3. Concave Shape: The curved surface helps to minimize evaporation when covering liquids and can also serve as a makeshift weighing dish.
4. Heat Resistance: Some watch glasses can withstand moderate heat, making them useful for certain applications in the lab.
5. Easy to Clean: Glass is easy to wash and can often be sterilized, which is crucial for maintaining a clean lab environment.

General Uses of Watch Glass 90 mm:

• Covering Containers: Used to cover beakers or flasks to prevent contamination or evaporation of liquids.
• Holding Samples: Ideal for holding small amounts of solids for weighing or observation.
• Evaporating Liquids: These can be used to gently evaporate small volumes of liquids due to their shallow design.

Care Tips:

• Handle carefully to avoid breakage.
• Clean with appropriate lab detergents and rinse thoroughly to avoid contamination.

A 90 mm watch glass is a practical tool for anyone working in a lab, providing functionality in various experimental setups.