These pipettes are made from borosilicate glass in compliance with ASTM specification E438, Type I, Class b glass requirements. They are calibrated ''to deliver'' (TD) with blow-out after free flow of liquid has Ended. Plugged and sterile pipettes are designed from ASTM specification E714. Sizes 1 and 2 ml are packaged 25 pieces per bag, sizes 5 and 10 ml are packaged 10 pieces per bag; bags are color coded. Pipettes have negative graduations to increase versatility.
These pipettes are made from borosilicate glass in compliance with ASTM specification E438, Type I, Class b glass requirements. They are calibrated ”to deliver” (TD) with blow-out after free flow of liquid has Ended. Plugged and sterile pipettes are designed from ASTM specification E714. Sizes 1 and 2 ml are packaged 25 pieces per bag, sizes 5 and 10 ml are packaged 10 pieces per bag; bags are color coded. Pipettes have negative graduations to increase versatility.