10Pcs 60mm Lab Watch Glass Beaker Cover Concave Dishes Laboratory Glassware Supplies

Material: Glass

Diameter: 60mm

Shape: Round, Concave

Application: Watch Cover, Beaker Cover
 

- Watch glasses are highly functional laboratory glassware that have a variety of uses in the classroom or lab.

- The concave dishes are available in 60mm or 90mm diameter. This watch glass can work well as lids for flasks and beakers, or holding small samples for observation under a low-power microscope. 

- These watch glasses are ideal for evaporating liquids off of samples, such as growing seed crystals. They can be used for making lenses of ice or other liquids.