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Melt flow index tester.


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 2100 melt flow index The Melt Flow Index is a measure of the ease of flow of the melt of a thermoplastic polymer. It is defined as the weight of polymer in grams flowing in 10 minutes through a capillary of specific diameter and length by a pressure applied via prescribed alternative gravimetric  tester helps gauge the composition and consistency of plastics, rubber, lubricants and numerous other liquid and molten substances. The MFI 2100 measures the flow rate of molten recycled plastic resins, for example, under prescribed temperatures, time and pressure. The measurement identifies the material, confirming both the density and the identity of the pellets or chips that have been melted in the MFI 2100. The MFI 2100 measures per ASTM ASTM
abbr.
American Society for Testing and Materials
 D-1238 for plastics, and it can have automatic loading, automatic sample cut-off and automatic hands-off operation. It is PC-compatible, allowing computation of flow rate over time and under different pressures and temperatures. The PC-compatibility allows data storage, data analysis and graphic illustration of data comparisons in the Windows 95 environment. The MFI 2100 includes a PID (1) (Process IDentifier) A temporary number assigned by the operating system to a process or service.

(2) (Proportional-Integral-Derivative) The most common control methodology in process control.
 temperature controller, an RTD RTD returned to duty (US DoD)
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 temperature probe and barrel heaters for rapid heating and stable temperature while testing. Thermo-isolators minimize outside interference with test results. Actual temperature and setpoint are digitally displayed. (Benz Materials Testing Instruments)

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Publication:Rubber World
Date:Aug 1, 2000
Words:170
Previous Article:Torque transducer.
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