Materials of Volumetric Construction 2 Glass

General Characteristics of Each Glass Type. Volumetric ware made of glass provides different properties depending on the type of glass used. The ASTM refers to the different glasses used in volumetric ware as Types. The use of the terms Class A and Class B in reference to types of glass have no relationship to volumetric quality. 

Type /, Class A glass is usually Pyrex, Kimex, or Schott glass. It can be 

Type II glass is often identified as soda-lime, flint, or soft glass. Soda- 

Type II volumetric ware cannot be repaired if cracked or chipped, nor can it be fused onto other laboratory ware. On the other hand, it is inexpensive and therefore commonly used for disposable ware and lower standard calibration ware. 

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