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