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The XNR-400B MFI Testing Machine (Melt Flow Index Testing Machine) is a precision laboratory instrument designed to measure the Melt Flow Index (MFI) and melt flow characteristics of thermoplastic materials under controlled temperature and load conditions. It is suitabl...
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The XNR-400B MFI Testing Machine (Melt Flow Index Testing Machine) is a precision laboratory instrument designed to measure the Melt Flow Index (MFI) and melt flow characteristics of thermoplastic materials under controlled temperature and load conditions. It is suitable for quality control, material research, product development, production testing, and incoming raw-material inspection within the plastics and polymer industries.
The machine operates across a wide temperature control range of 50°C to 450°C, with temperature indication accuracy of ±0.2°C and temperature fluctuation of only ±0.1°C, providing stable and consistent testing conditions.
The XNR-400B features a precision extrusion assembly with a standardized Ø2.095 ± 0.005 mm orifice, 8.000 ± 0.025 mm die length, and Ø9.550 ± 0.025 mm material cylinder. The piston displacement display has an error of only ±0.01 mm, supporting accurate and repeatable MFI measurements.
A selection of standardized test weights ranging from 0.325 kg to 21.600 kg allows the machine to accommodate different testing requirements and thermoplastic materials.
| Specification | Details |
|---|---|
| Product Name | MFI Testing Machine / Melt Flow Index Tester |
| Model | XNR-400B |
| Testing Method | Melt Flow Index / Melt Flow Rate Testing |
| Temperature Control Range | 50°C – 450°C |
| Temperature Indication Error | ±0.2°C |
| Temperature Fluctuation | ±0.1°C |
| Clock Accuracy | 0.1 s |
| Short Recovery Time | 4 minutes |
| Piston Displacement Display Error | ±0.01 mm |
| Orifice Mold Inner Diameter | Ø2.095 ± 0.005 mm |
| Die Length | 8.000 ± 0.025 mm |
| Material Cylinder Inner Diameter | Ø9.550 ± 0.025 mm |
| Piston Rod Head Diameter | Ø9.475 ± 0.015 mm |
| Piston Rod Head Length | 6.350 ± 0.100 mm |
| Test Weight Accuracy | Relative error ≤0.5% |
| Test Weight Range | 0.325 kg – 21.600 kg |
| Grade | Test Weight |
|---|---|
| Grade 1 | 0.325 kg* |
| Grade 2 | 1.200 kg |
| Grade 3 | 2.160 kg |
| Grade 4 | 3.800 kg |
| Grade 5 | 5.000 kg |
| Grade 6 | 10.000 kg |
| Grade 7 | 12.500 kg |
| Grade 8 | 21.600 kg |
*Grade 1 configuration includes the piston rod, weight tray, heat shield, and No. 1 weight body.
Dedicated MFI Testing Machine for Melt Flow Index and melt flow rate testing.
Wide 50°C–450°C temperature control range.
High temperature stability with only ±0.1°C fluctuation.
Temperature indication accuracy of ±0.2°C.
Precision piston displacement measurement with ±0.01 mm display error.
Standardized extrusion die and material cylinder dimensions.
Fast temperature recovery of approximately 4 minutes.
Accurate 0.1-second timing system.
Supplied with multiple test weights from 0.325 kg to 21.600 kg.
Designed for consistent and repeatable testing of thermoplastic materials.
Suitable for both laboratory testing and industrial quality control.
The XNR-400B MFI Testing Machine is suitable for:
Melt Flow Index (MFI) testing
Melt Flow Rate (MFR) testing
Plastic raw-material quality control
Polymer research and development
Plastics manufacturing
Plastic extrusion industries
Incoming raw-material inspection
Production quality assurance
Material comparison and characterization
Polymer and plastics laboratories
Research institutions
Technical and educational laboratories
The machine is designed for testing suitable thermoplastic polymers and plastic raw materials, helping manufacturers and laboratories evaluate their melt-flow behaviour and maintain consistent material quality.
The XNR-400B MFI Testing Machine combines accurate temperature control, stable heating, standardized extrusion components, precise piston displacement measurement, and multiple test loads to provide reliable Melt Flow Index (MFI) testing. It is an ideal solution for plastics manufacturers, polymer laboratories, quality-control departments, and research facilities requiring repeatable and controlled material-flow measurements.
| Product Name | MFI Testing Machine / Melt Flow Index Tester |
|---|---|
| Model | XNR-400B |
| Testing Method | Melt Flow Index / Melt Flow Rate Testing |
| Temperature Control Range | 50°C – 450°C |
| Temperature Indication Error | ±0.2°C |
| Temperature Fluctuation | ±0.1°C |
| Clock Accuracy | 0.1 s |
| Short Recovery Time | 4 minutes |
| Piston Displacement Display Error | ±0.01 mm |
| Orifice Mold Inner Diameter | Ø2.095 ± 0.005 mm |
| Die Length | 8.000 ± 0.025 mm |
| Material Cylinder Inner Diameter | Ø9.550 ± 0.025 mm |
| Piston Rod Head Diameter | Ø9.475 ± 0.015 mm |
| Piston Rod Head Length | 6.350 ± 0.100 mm |
| Test Weight Accuracy | Relative error ≤0.5% |
| Test Weight Range | 0.325 kg – 21.600 kg |
| Grade | Test Weight |
| Grade 1 | 0.325 kg* |
| Grade 2 | 1.200 kg |
| Grade 3 | 2.160 kg |
| Grade 4 | 3.800 kg |
| Grade 5 | 5.000 kg |
| Grade 6 | 10.000 kg |
| Grade 7 | 12.500 kg |
| Grade 8 | 21.600 kg |
| Dedicated MFI Testing Machine | for Melt Flow Index and melt flow rate testing. |
| Precision piston displacement measurement | with ±0.01 mm display error. |
| Fast temperature recovery | of approximately 4 minutes. |
The MRF Testing Machine is designed to accurately measure the melt flow rate of plastic materials, which is crucial for assessing their quality and performance.
The machine offers an accuracy of ±0.1%, ensuring reliable and precise testing results.
The MRF Testing Machine requires a power supply of 220V at 50Hz.
The MRF Testing Machine has a protection class of IP55, making it suitable for use in various lab environments.
The single gross weight of the machine is 65.000 kg, and its package size is 80X65X75 cm.
The MRF Testing Machine is manufactured by ZBRK, a reputable brand in testing equipment.
The MRF Testing Machine comes with a 1-year warranty, covering any manufacturing defects.
Yes, the machine features an easy-to-use interface that allows for quick and efficient operation.
The machine can test the melt flow rate of various plastics, making it suitable for a wide range of applications.
Applications include quality control in plastic manufacturing, research and development in polymer science, material selection for engineering projects, and educational purposes in material science labs.
Yes, the machine is compliant with international testing standards, ensuring it meets global quality requirements.
Absolutely! The machine is suitable for educational use in material science labs for teaching purposes.
The compact size of the machine allows for efficient space utilization in laboratories, making it ideal for facilities with limited space.
MFI testing is significant as it helps determine the flow characteristics of plastics, which is essential for predicting processing behavior and end-use performance.
For more information, you can refer to the product info gallery or contact the manufacturer directly.
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