The WKT-400B mass-method melt flow indexer is designed and manufactured in accordance with authoritative standards for determining the melt flow rate (MFR) of various plastics and resins in the viscous flow state. Using the mass method with keypad operation and an integrated manual and automatic cutting design, it is widely used in plastics production, plastic products, and petrochemical industries, as well as in universities, research institutions, and commodity inspection departments. The instrument features a simple structure, convenient operation, accurate measurement, and stable, reliable performance.
Product Details
Technical Specifications
| Model | WKT-400B |
| Test Method | Mass Method (MFR) |
| Printing | Automatic Print Output via Micro Thermal Printer |
| Extrusion and Discharge Section | Die diameter: Φ2.095±0.005 mm; die length: 8.000±0.025 mm |
| Barrel diameter: Φ9.550±0.025 mm; barrel length: 152±0.100 mm | |
| Piston head diameter: 9.475±0.015 mm; piston head length: 6.350±0.100 mm | |
| Standard Test Loads | Full set of weights, 8 levels in total |
| Level 1: 0.325kg = (piston rod + weight tray + heat-insulating sleeve + No. 1 weight body) = 3.187N | |
| Level 2: 1.200kg (0.325kg + No. 2 0.875kg weight) = 11.77N | |
| Level 3: 2.160kg = (0.325kg + No. 3 1.835kg weight) = 21.18N | |
| Level 4: 3.800kg = (0.325kg + No. 4 3.475kg weight) = 37.26N | |
| Level 5: 5.000kg = (0.325kg + No. 5 4.675kg weight) = 49.03N | |
| Level 6: 10.000kg = (0.325kg + No. 5 4.675kg weight + No. 6 5.000kg weight) = 98.07N | |
| Level 7: 12.500kg = (0.325kg + No. 5 4.675kg weight + No. 6 5.000kg weight + No. 7 2.500kg weight) = 122.58N | |
| Level 8: 21.600 kg = (0.325kg + No. 2 0.875kg weight + No. 3 1.835kg weight + No. 4 3.475kg weight + No. 5 4.675kg weight + No. 6 5.000kg weight + No. 7 2.500kg weight + No. 8 2.915kg weight) = 211.82N | |
| Temperature Range | Room temperature – 450℃ (500℃ optional) |
| Temperature Accuracy | ±0.2℃ |
| Display Resolution | 0.1℃ |
| Cutting Mode | Optional manual or automatic cutting |
| Temperature Recovery Time | Less than 4 min |
| Measuring Range | 0.1～300g／10min(MFR) |
| Timing Accuracy | 0.1s |
| Piston Displacement Accuracy | 0.01mm |
| Data Storage | 20 automatic mass-method results |
| Display | Chinese LCD display, keypad operation |
| Overall Dimensions | L 290 × W 410 × H 630 (mm) |
| Power Supply | AC220V ±10% 50HZ |
| Max Power | 600W |
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