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Products  > Ray-Ran MFR200 Microprocessor Melt Flow System

Ray-Ran MFR200 Microprocessor Melt Flow System

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 compared to the MFR100, vastly improving results accuracy for “method A” testing.

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 for 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.

The MFR series of Melt Flow Indexers are supplied as standard with a replaceable hardened steel cylinder liner which can be simply swapped if a replacement is needed or for Hastelloy (optional) if testing corrosive materials is a requirement. A Tungsten Carbide test die and hardened steel piston along with 2.16 kg test load and tooling ancillaries compliment the apparatus to get you testing straight out the box.

The apparatus features a rotary “Auto Cut Device” feature for consistent cutting accuracy of the extrudate eliminating the need for manual cutting.

For simplicity of use the apparatus is fitted with an intuitive 4″ color touchscreen panel and microprocessor interface so test parameters can easily be set. Features include, temperature set point value (SV), actual temperature value (AV), number of cuts, cut time, auto MFI calculation and “ECO” mode. Simply weigh the cut samples and enter the weights as a mean or individual cut and let the microprocessor calculate the MFI value.

The integrated temperature controller and PT100 Platinum Resistance Thermocouple accurately control the barrel temperature to 0.01°C. Dual-zone heating gives accurate temperature deviation along the length of the barrel to international test standards.

All documentation is supplied including a product user manual and a fully traceable calibration certificate.

Optional weights up to and including 21.6kg can be supplied to cover all testing parameters to International Test standards and for the heavier weights the optional pneumatic weight loader can fitted to the apparatus for ease in loading the piston. The weight loader can also be used to hold a cleaning tool so cleaning can be done more simply. The improved die release feature makes removing the test die a simple task.

The MFR200 is supplied with the latest edition of Ray-Ran`s Techni-Test 2 software. Techni-Test 2 allows for graphical and tabular results to be presented and reports to be Printed or saved as .CSV files that can be exported and opened in Microsoft Excel if required. Previous saved tests can also be recalled into the software. USB and Ethernet ports are fitted as standard for results file capture as well as direct download to USB Flashdrive.

Although the MFR value is not a fundamental property of the polymer, it does however, give an indication of the flow characteristics of the polymer and it has become one of the most widely used references for the quality control of polymers.

The machine is available in either 220-240v 50hz or 110v 60hz


Temperature SV input
Temperature AV display
Number of cuts
Time between cuts
Mean or individual weight entry
Auto MFI calculation
Density @ melt temperature test and auto calculation.

Optional Ancillaries

Pneumatic Weight Loader 150psi (11 bar) max
Full range of test weights available from 1kg to 21.6kg
Hastelloy cylinder, liner and die for corrosive materials.

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Success Stories

The problem

Some paint manufacturers have to undertake so many different types of tests that it’s hard to stay on top of the demands of their industry and the changing technologies that can best support them.

The solution

This was the case for our valued customer. They needed the equipment, skills, experience, and collaboration of a genuine partner. One offering personalized support and guidance identifying the correct inspection solution for each situation. We are always delighted to help.

The outcome

Daniel Marschall, President of Marschall Labs, said:


“The professionals at Industrial Physics took the time to understand the specific testing equipment needs of our lab. I can’t say enough about the excellent customer service and support they provide.”

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