Manufactured from 51 expansion borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class B requirements
Size 1.1 mL is designed from ASTM Specification E1043, Type IV requirements
Sizes 2.2 and 11.0 mL are designed from ASTM Specification E1043, Type IV A requirements.
1.1, 2.2, and 11.0 mL sizes are calibrated in accordance with specifications of the American Public Health Association as published in Standard Methods for the Examination of Dairy Products
Calibrated to deliver, so after free delivery the remaining liquid should be blown out to add to the final volume
Mouthpiece end of 10 and 11 mL sizes are tooled to accept a cotton plug