A range of flasks from 1 ml to 5000 ml capacity, all manufactured to Class A (ISO/DIN) standards, with permanent marking and tooled ground neck, fitted with interchangeable’  polypropylene stopper are made in borosilicate glass.  All flasks are available in clear or amber glass.

Class A Accuracy, Type NC
This range has been enlarged to cover all the former class B capacities. All flasks are batch tested for accuracy and Lot numbered.

Class A Accuracy, Type WAC
Each flask is individually tested and carries its own individual number, with works certificate of calibration.

Class A to USP
Each flask is individually tested and carries its own individual number,with works certificate of calibration