Melt Flow Indexers

MI-4


The Melt Flow Indexer Mi-4 is a semi-automatic instrument that can measure the melt-flow-rate (MFR) and the melt-volume rate (MVR). It can carry out a single weight test according to ISO 1133 and ASTM D1238 Procedure B as well as ISO 1133 and ASTM D1238 Procedure C for the "Half Height/Half Diameter" standard.

The Mi-4 has a weight cartridge that allows the operator to choose the measuring weight automatically. The high resolution position sensor with the automatic resolution selection allows a reliable and repeatable determination of MFR and MVR. The tests can be run from one test loads to several test loads per barrel filling.

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  • Force controlled pre-loading / ejection via drive and test weights
  • Multi-Load tests with up to 8 different weights, ascending, descending or freely selectable
  • High-precision timer with a resolution better than 0.001 s
  • Temperature control algorithm, resolution 0 to 320°C: 0.01°C, 320 to 500°C: 0.1°C
  • High-resolution position transducer to measure volume output
  • Automatic computation of resolution

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