Pipette Graduated MOHR Class A With Individual NABL Certificate 0.5x0.01 Supertek brand pipettes are manufactured from Low-expansion Boro 3.3 glass. These pipettes are manufactured in accordance to DIN ISO 835/IS 4162 standard for Graduated pipettes and DIN ISO 648/IS1117 standard for Volumetric pipettes. All pipettes are screen printed in durable amber color which fuses into the glass. Each product is color coded to facilitate easy identification. These Pipettes are made from specially selected accurate bore glass tubing, have precision formed jets, bevel ground ends to resist chipping. Mouth piece of pipettes is also tooled for easy sucking and cotton plugging. Each Pipette Calibrated is to deliver (Ex, TD) at +27 C reference temperature. The calibration also takes into account surface adhesion effects.