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Cflow Extrusion Plastometer

The compact one Download
Test methods
  • MFR
Test volume
  • Low
  • Incoming goods inspection
  • Method A

Cflow applications

The compact Cflow extrusion plastometers were designed as stand-alone instruments for quick verification of melt mass-flow rates (MFR). They are primarily used for incoming goods inspection at plastics processors where melt flow tests are carried out sporadically and no PC connection is required.

The Cflow is designed for MFR tests to method A. Tests can be performed according to the following standards: Method A to ISO 1133, ASTM D1238, ASTM D3364, JIS K 7210.

Cflow extrustion plastometer at a glance
Standards Test Methods Typical measurement range Weight levels Level of automation Range of application
  • Method A: MFR
  • Min: approx. 0.2 g/10 min
  • Max: approx. 75 g/10 min
0.325 to 21.6 kg Low level of automation
  • Manual load application
  • Manual control of the preheating phase
  • Manual start of the measurement
  • Motorized cutting of extrudate at constant time intervals
  • Manual weighing of extrudate on analytical balance
  • Manual calculation of result
  • Incoming goods inspection
  • Teaching and training


Cflow Advantages & Features

  • Temperature control of the heating elements, heating chamber and barrel are all perfectly co-ordinated. The temperature is generated at the location where it is utilized, ensuring excellent temperature distribution over the whole barrel height from the outset.
  • Simplified cleaning, with rapid expulsion of residual specimen material.
    - The die plug is located on the underside of the extrusion barrel. Removing the die plug frees the die to move downwards, allowing it to be removed easily.
    - Expelling the die plus residual material after the test is similarly fast and easy. The barrel is now accessible throughout., simplifying cleaning.
  • The optionally available test weight support allows you to retain the test weight in the pre-heating position.
  • Comprehensive accessory range including automatic or manual extrudate cutter, separating pane and die plug is optionally available.

Cflow extrusion plastometer technical data

If you have any questions or would like to know more about these test method or products for melt flow testing, please contact us.

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Alternative extrusion plastometers

More information on melt flow testing

MFR/ MVR plastics
ASTM D1238, ASTM D3364
Determination of melt mass-flow rate (MFR), melt volume-flow rate (MVR), flow rate ratio (FRR)
to MFR/ MVR plastics
Melt flow index test plastics
ISO 1133-1, ISO 1133-2
Determination of melt mass-flow rate (MFR or MFI), melt volume-flow rate (MVR)
to Melt flow index test plastics
Determination of MFR & MVR
MFR and MVR tests and other characteristic values of melt flow tests on plastics
Overview of the melt flow test incl. definition of the test methods for MFR and MVR tests and determined characteristic values, comparison between the test methods and standards ISO 1133, ASTM D1238 and ASTM D3364.
to Determination of MFR & MVR


Name Type Size Download
  • Product brochure: Extrusion plastometers PDF 3 MB
  • Product information: Cflow extrusion plastometer PDF 221 KB