Thermotron
Thermotron Industries, headquartered in Holland, Michigan, is North America’s largest, manu……...
Determining Melt Mass Flow Rate with the Mflow Extrusion Plastometer
The standard version of the Mflow extrusion plastometers can be used to establish the melt mass flow rate (MFR). The plastometer comprises modular design; using the piston transducer expands the Mflow's capabilities to include determination of melt volume flow rate (MVR) as well as automatic adaptive parameter configuration. Common uses are in goods inwards checks and quality assurance.
Key Advantages and Features
Automatic, field-dependent parameterization reduces measurement errors and enhances test parameters
The pneumatic weight-lifting unit with pegging allows users to alter the test weights rapidly and easily. The test piston is also held in any required pre-heating position.
A piston displacement transducer is available for establishing the MVR
Mflow Extrusion Plastometer with Weight Selector
The Mflow weight-selector option integrates the benefits of pneumatic weight-lifting with the convenience of simple, reliable, and safe changing of test weights, guaranteeing secure weight-storage and an operator-friendly test sequence.
Mflow Extrusion Plastometer in all Models
The modular Mflow extrusion plastometer is used to define the volume flow rate (MVR) and melt flow rate (MFR).
Technical Overview
The standard version of the Mflow extrusion plastometer is engineered to perform MFR tests in compliance with Method A and can be expanded for MVR tests as per Method B. Tests to the following standards are possible: Methods A and B as per ISO 1133, ASTM D3364, ASTM D1238, and JIS K 7210.
| Description | Value | |
|---|---|---|
| Type | Mflow extrusion plastometer | |
| Item no. | 086973 | |
| Test load | 0.325 to 21.6 | kg |
| Compressed air, oiled, dry (option for pneumatic weight lifting) | 6 to 10 | bar |
| Dimensions: | ||
| Height | 510 | mm |
| Width | 360 | mm |
| Depth | 395 | mm |
| Approx. weight | 43 | kg |
| Test temperature | +50 to +450 | °C |
| Display | LCD graphic display, backlit | |
| Resolution of the temperature display | < 0.1 | K |
| Keypad | Pressure point soft touch keypad | |
| Number of savable parameter sets | 35 | |
| Interfaces |
|
|
| Temperature accuracy in the range of 0 to 75 mm above the die in the temperature range of 50 °C to 450 °C | < 0.3[1] | K |
| Time measurement: | ||
| Error limit (Method A) | ±0.02 (with automated extrudate cutter) | s |
| Error limit (Method B) | ±0.01 | s |
| Travel measurement: | ||
| Resolution | < 0.005 | mm |
| Error limit (Method B) | ±0.02 mm (ISO 1133) / ±0.4% of 6.25 mm (ASTM D1238) | |
| Multi-instrument operation on one PC | ||
| Available main memory, min. | 1.54 | GB |
| Clock frequency | 3 | GHz |
| Connectible Mflow extrusion plastometer per PC | 6 | |
| Included in the scope of delivery: |
|
|
| Power input specifications | ||
| Power supply | 220 to 240 V, 1L/PE/N | |
| Power consumption (full load), approx. | 0.6 | kVA |
| Power frequency | 50/60 | Hz |
1 Spatial and temporal, to ISO 1133-2
Suitable Accessories
Test weights
Extrusion barrels
Extrudate cutter
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