An extremely efficient grinder, the DUALL combines both conical and cylindrical surfaces on a single pestle and tube. These separate areas perform the dual functions of initial grinding in the conical section and final homogenization in the cylindrical section.Pestle is made of solid PTFE and threaded to a stainless steel shaftPTFE-lined phenolic screw cap closure permits centrifugation or storage of homogenates without transferReplacement components are available and completely interchangeableClearance between pestles and tubes is 0.004" to 0.006"Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements
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