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Melt Flow Rate Testing Instrument for Plastic Material Flow Rate Analysis and Evaluatio
Operating Principle:
Melt Flow Rate Testing Instrument (plastic extruder) analyzes flow properties by melting samples via a heating furnace at specified temps, then extruding through a die under load.
In plastic production, the melt index measures polymer fluidity/viscosity in molten state. MFR is the average mass (g/10min) of melt through a die in 10 min, calculated as MFR=600×m÷t.
Example: Samples cut every 30s weigh 0.0838, 0.0862, 0.0815, 0.0895, 0.0825g. Average m=0.0847g.
MFR=600×0.0847÷30=1.694g/10min.
Technical Parameters:
| Model No. | XNR-400C |
| Measuring Method | MVR & MFR & Density |
| Display&Print | Touch Screen, Results printed by inner printer |
| Warranty | 1 years on heating jacket |
| Cutting | Auto |
| Max Temperature | 60-450oC |
| Test load (Eight grades) | 0.325kg, 1.200kg, 2.160kg, 3.800kg, 5.000kg, 10.000kg, 12.000kg, 21.600kg |
| Controlled Accuracy | ±0.2oC |
| Measuring Range | (0.1~100)g/10min (0.01~350)cm3/10min |
| Display Resolution | 0.01oC |
| Timing of the clock resolution | 0.1S |
| Power Supply | 220V 550W |
| Standards | GB3682, ISO1133, JB/T5456, ASTM D1238, ASTM D3364 |
| Dimension | 280mm×350mm×600mm |
| Weight | about 28kg (Not include the weights) |
Meet standards:
ISO1133, ASTM D1238, ASTM D3364 and GB/T 3682 method A & B.
