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RANKCONN - Melt Flow Indexer XNR-400B
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RANKCONN - Melt Flow Indexer XNR-400B
Brand : Rankconn Instruments
Model : XNR-400B
Product Descriptions
Test Standard
o GB/T3682-2000: Measurement of mass flow rate (MFR) and melt volume flow rate (MVR) of thermoplastic melt under specified temperature and loading conditions.
o ASTM1238: The test method covers the flow rate measurement method of melt resin extrusion. It is measured regularly by a specified length and diameter die at precise temperatures, loads, and the position of the barrel in the barrel.
Product Features
Brand : Rankconn Instruments
Model : XNR-400B
Product Descriptions
XNR-400B Melt Flow Indexer (volume method) can be used to can be used in polyethylene, polyethylene splendid alkene, polystyrene, ABS, polyamide, fiber resin, acrylic ester, polyformaldehyde, fluorine plastic, polycarbonate and so on the many kinds of plastic material quality of the melt flow rate (MFR) or melt volume flow rate (MVR) to determine, widely used in plastic production, plastic products, such as petroleum and chemical industry and related colleges and universities, scientific research units and administration for commodity inspection, etc.
• It is used to determine the melt mass-flow rate (MFR) and the melt volume-flow rate (MVR) of thermoplastics materials .It adopts auto sampling method and the cut samples are weighed up by balance when it is used to determine MFR .
• When it is used to determine MVR ,it measures the time which the piston is used to move the specified distance first through the displacement transducer and auto timer system and calculates MVR according to the formula later.
• The final results of the two methods are all displayed on the machine’s LCD screen and printed and exported by computer .The instrument has high accuracy on data measurement with simple operation and stable capability.
Test Standard
XNR400B melt flow indexer meet the requirement of GB/T3682-2000 and ASTM D1238-98. And also,we design and manufacture the instrument after we made a reference of similar standards , such as JB/T5456 and ISO 1133.
o GB/T3682-2000: Measurement of mass flow rate (MFR) and melt volume flow rate (MVR) of thermoplastic melt under specified temperature and loading conditions.
o ISO1133-97: Macromolecular material - mass and volume flow rate detection.
o ASTM1238: The test method covers the flow rate measurement method of melt resin extrusion. It is measured regularly by a specified length and diameter die at precise temperatures, loads, and the position of the barrel in the barrel.
• High precision Chinese and English color controller, special custom film button, in the control accuracy and service life, have incomparable advantages
• Manual, automatic cutting integrated control, accurate to 0.1s, can be arbitrarily set the cutting time and cutting times.
• Built-in micro printer, can print test data
• Double temperature control system, adopt double inlet heating ring, double inlet PT100 platinum resistance sensor, improve test accuracy and temperature stability.
• With the addition of displacement sensor, MVR (volume method) can be tested with the accuracy of 0.01mm.
• The volumetric method can directly output test results without cutting
• The density of a material at a given temperature can be calculated by the ratio of the volume method to the mass method
• Can be connected to the computer via USB, and can set test conditions on the computer through software, print data, and store data (optional).
Technical Specifications
Standard Accessories
Technical Specifications
| Specification | Value |
| Temperature range | 0℃ – 450℃ |
| Temperature fluctuation | ±0.2℃ |
| Temperature uniformity | ±1℃ |
| Temperature display resolution | 0.1℃ |
| Time display resolution | 0.1 s |
| Mouth mold diameter | Φ 2.095 ± 0.005 mm / Φ 1.05 ± 0.005 mm |
| Outlet length | 8.000 ± 0.025 mm |
| Charging cylinder diameter | Φ 9.550 ± 0.025 mm |
| Weight accuracy | ±0.5% |
| Displacement measurement accuracy | 0.01 mm |
| Displacement measurement encoder | Omron photoelectric rotary encoder |
| Quality test range | 0.1 – 150 g/10 min |
| Volumetric test range | 50 – 800 cm³/10 min |
| Output mode | Micro automatic print output |
| Cutting mode | Manual / Automatic cutting |
| Test load | 8 classes, 8 sets of weights |
| Power supply | AC 220V ±10%, 50 Hz |
Standard Accessories
| No. | Item | Unit | QTY | Remark |
| 1 | Main machine | set | 1 | Includes one printer |
| 2 | Weights | pcs | 8 | 0.325 kg, 1.200 kg, 2.160 kg, 3.800 kg, 5.000 kg, 10.000 kg, 12.000 kg, 21.600 kg |
| 3 | Weight pallet | pcs | 1 | Within 1 class |
| 4 | Cylinder rod | pcs | 1 | Within 1 class |
| 5 | Mouth mold | pcs | 1 | Tungsten carbide die |
| 6 | Charging hopper | pcs | 1 | Stainless steel |
| 7 | Loading rod | pcs | 1 | – |
| 8 | Barrel cleaning rod | pcs | 1 | – |
| 9 | Die cleaning rod | pcs | 1 | Stainless steel |
| 10 | Absorbent gauze | pcs | 2 | – |
| 11 | Printing paper | pcs | 2 | – |
| 12 | Others | pcs | 3 | Certification, Manual, Feeding tray |