Calibrated to contain. Cylinders and ST stoppers are made of sturdy borosilicate glass. Cylinders are suitable for mixing. Scale is durable white ceramic enamel.
Cylinders are designed from ASTM Specification E1272, Style 2, Class A requirements. Each cylinder is permanently marked with an individual serial number and is supplied with a Certificate of Graduation Accuracy. Stoppers are designed from ASTM Specification E675.
Ordering Information: Replacement stoppers are available; see the 89002-174 series.