SDFSX Lab Glassware High Borosilicate Watch Glass (Beaker Cover), Watch Glass (180mm, 10pcs)

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SDFSX Lab Glassware High Borosilicate Watch Glass Features

• *A watch glass is a circular concave piece of glass used in chemistry as a surface to evaporate a liquid, to hold solids while being weighed, for heating a small amount of substance and as a cover for a beaker.

• *Heat resistant, high temperature resistant, high light transmission, strong corrosion resistance

• *The laboratory glass watch glass is made of lead-free environmentally friendly glass, which is transparent, stable and safe to use.

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

• *The concave dishes are designed in a variety of sizes, Their 2.0 mm thick construction resists shattering.

About SDFSX Lab Glassware High Borosilicate Watch Glass

✿Glass watch the surface is made of glass, rounded, slightly concave in the middle, similar to the evaporating dish. Can be used to do some evaporation of liquid work, it can increase the surface area of the liquid, thus accelerating evaporation. But it can't be heated like an evaporating dish. It needs to be covered with asbestos net. It can be used as a lid, covered on an evaporating dish or a beaker to prevent dust from falling into the evaporating dish or beaker. It can be used as a container to temporarily hold solid or liquid reagents. It is convenient to use: it can be used as a carrier, and it can be used to carry DH test paper. The acid or lye dripping on the test paper does not corrode the test bench.And as they have ground edges, as well as a polished surface, you can e sure that they are a safe product to handle in the classroom or the lab. ▶Available in sizes: 45mm,60mm,70mm,80mm,90mm,100mm,120mm,150mm,180mm,200mm Made from high-quality glass Ground edges for safe handling Ideal for classroom use Great for evaporation or holding samples