Feature(may vary by option.)

●Diameter: 100mm/3.967" approx
●The watch glass is made of Borosilicate 3.3 glass with a slightly concave center.
●Monolithic watch glass thickness about 2mm
●The watch glass not only can be used for vaporizing liquid, but also can be used as a lid for other chemical containers.

[90mm]

Description

This series of products include Glass Watch Glass 45mm-200mm, Quartz Watch Glass 90mm,120mm and PTFE Watch Glass 60mm.
The watch glass is made of hard glass and is suitable for quantitative analysis.