PYREX® borosilicate glass, class A.

• Durable white graduations, sharply defined
• Easy to read

These precision bore tubing is used to assure accuracy between any two points. Each burette is individually serialised and supplied with a certificate of identification and capacity, traceable to NIST standards.

Capacity tolerance is established by ASTM E-542 and ASTM E-287.

PYREX® Serialised/Certified Volumetric Glassware is now tested and calibrated in an ISO/IEC 17025 certified laboratory.

Durable coloured graduations are sharply defined and easy-to-read. Carefully ground [ST] stopcock gives precise control.