A graduated tube and a finely machined PTFE pestle comprise this popular style

·         Radial serrations on the lower portion of the pestle deliver the homogenate into the cylindrical portion of the tube

·         Graduations are fused into the glass

·         Replacement components are available and completely interchangeable

·         4 mL tubes have a clearance of 0.003-0.005” between pestles and tubes

·         10 mL tubes have a clearance of 0.004-0.006” between pestles and tubes

·         30 mL tubes have a clearance of 0.005-0.007” between pestles and tubes

·         50 mL tubes have a clearance of 0.006-0.009” between pestles and tubes

·         Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements