Molten Polymer is extruded through a controlled Die and using the time taken to extrude the Melt Flow Rate or Melt Mass Flow rate in g/10 minutes can be determined.

The MFR200 melt flow indexer offers a more automated procedure to the MFR100 vastly improving results accuracy for “method A” testing requirements.

The test procedure is very simple to conduct. Molten Polymer is extruded through a closely controlled orifice (die) from the apparatus using pre-set conditions of temperature and pressure produced by a dead weight system. The extruded polymer is cut off automatically and is then weighed. Using the time interval to extrude the polymer its flow rate over 10 minutes can easily be determined. Test results are given as the Melt Flow Index (MFI). A density at melt temperature test can also be conducted.