Melt Flow Index Testers


Instron® melt flow testers are specifically designed for easy and accurate measuring of Melt Flow Rate (MFR) and Melt Volume Rate (MVR). Our extrusion plastometers range from manual to semi-automated plastic melt flow index testers performing multiple weight tests. All our Melt Flow Index testing equipment meets the latest ASTM and ISO standards.
 

The MF20 Melt Flow Index testing machine meets laboratory needs from simple incoming material acceptance to process control.

The MF30 Melt Flow Index tester is designed for incoming material acceptance and process control. It is specifically suited for laboratories testing high performance materials where the human factor may affect repeatability and traceability of results.

The MF50 Melt Flow Index tester is a great fit for 24/7 laboratories testing multiple materials where quick and safe operations can have a big impact on productivity. It allows multi-weight testing procedures.

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Melt Flow Series Family


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The Instron CEAST MF series of extrusion plastometers is built for high performance and longevity while maintaining compact size and ergonomics for improved usability


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Automatic pre-test material compacting helps maximizing data integrity while minimizing costly errors


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Instron CEAST melt flow testers are the most flexible in configuration and first-to-market in meeting the needs of industries including automotive, consumers, electronics, and raw materials





Testing Procedure with a Melt Flow Index
Tutorial on Using Instron Melt Flow Tester to ISO 1133 and ASTM D1238





 

Instron MF20 Melt Flow Tester
From Simple Incoming Material Acceptance to Process Control


Standard Features
  • On-board interface for method setting and visualization of results
  • Quick-release slide system for the die removal
  • Guided piston design for accurate positioning into the barrel
  • Integrated support for accessories and consumables
  • Abrasion resistant barrel

Options
  • High-Precision Encoder to measure MVR
  • Quick and accurate lifter for automatic test mass application
  • Manual Mass Selector to avoid heavy mass handling and configuration changes
  • Die plugging device to prevent material flowing during pre-heating
  • Go/No-go gauges for die tolerance check
  • Nitrogen blanket device for hygroscopic materials testing
  • Manual or motorized extrudate cutting device
  • Integrated device for automatic barrel cleaning
  • Software for storage and analysis of results with graphical capabilities




Instron MF30 Melt Flow Tester
For Laboratories Where the Human Factor May Affect Repeatability and Traceability


Standard Features
  • Quick-release slide system for the die removal
  • Guided piston design for accurate positioning into the barrel
  • Abrasion resistant barrel
  • High-Precision Encoder to measure MVR, up to 40 data points acquisition for a single test
  • Lifter for automatic and accurate test mass application
  • Load Cell for compacting and purging with a controlled force
  • On-board interface for method setting and visualization of results
  • Integrated support for accessories and consumables

Options
  • Manual Mass Selector to avoid heavy mass handling and configuration changes
  • Die plugging device to prevent material flowing during pre-heating
  • Go/No-go gauges for die tolerance check
  • Nitrogen blanket device for hygroscopic materials testing
  • Manual or motorized extrudate cutting device
  • Integrated device for automatic barrel cleaning
  • Magnetic piston holding device for high-flow samples
  • Software for storage and analysis of results with graphical capabilities




Instron MF50 Melt Flow Tester
For Laboratories Where Quick and Safe Operations have a Big Impact on Productivity


Standard Features
  • Quick-release slide system for the die removal
  • Guided piston design for its accurate positioning into the barrel
  • Abrasion resistant barrel
  • High-Precision Encoder to measure MVR, up to 40 data points acquisition for a single test
  • Lifter for automatic and accurate test mass application
  • Load Cell for compacting and purging with a controlled force
  • Integrated mass selector with automatic selection of the weights
  • Touch-screen interface

Options
  • Die plugging device to prevent material flowing during pre-heating
  • Go/No-go gauges for die tolerance check
  • Nitrogen blanket device for hygroscopic materials testing
  • Manual or motorized extrudate cutting device
  • Integrated device for automatic barrel cleaning
  • Automatic Mechanical Piston Holding Device for high-flow samples
  • Software for storage and analysis of results with graphical capabilities







MF Series Models


MF20
MF30
MF50
ISO 1133-1, ISO 1133-2, and ASTM D1238 Standards compliance
Encoder Optional
Weight Lifter Optional
Load Cell NA
Melt Cutting Device Optional Optional Optional
Mass Selector Optional Optional
Die Plugging Device
Optional Optional Optional
Integrated Barrel Cleaning Device
Optional Optional Optional
Test Temperature Range
400°C
(optional 500°C)
400°C
(optional 500°C)
400°C
(optional 500°C)
Barrel / Die Material
Nitrided Steel / Tungsten Carbide. Optional for chemical resistance: Hastelloy / Hastelloy Nitrided Steel / Tungsten Carbide. Optional for chemical resistance: Hastelloy / Hastelloy Nitrided Steel / Tungsten Carbide. Optional for chemical resistance: Hastelloy / Hastelloy
Safety Guards - -
Software
Optional Optional Optional




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Melt Flow Testers Brochure

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