Penerangan
PCE Instruments PCE-MFI 400 Melt Flow Index Tester
Features
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Large 7'' TFT touch display
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Clear display
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Heating temperature up to 400°C / 752°F
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Pre-set materials
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Robust metal housing
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Various weights included
Description
The melt flow index tester from PCE Instruments is used for rapid testing of the melt mass flow rate of plastics. The melt index tester is designed for incoming goods inspection as well as for continuous production monitoring. Due to the clear presentation of all relevant parameters on the 7 ''touch display, the measurement results can be determined in a short time with the help of the melt index tester. The automatic cutting function also contributes to the high reproducibility of the melt flow index test carried out with this device.
The already stored standard plastic materials save the user of the melt index tester tedious configuration processes; these include: PS, PP, PE, ABS, PC, PMMA and many more. In addition to the already integrated standard plastics, the test temperatures and test weights are stored in the melt index tester in compliance with the standard (ISO 1133). Non-stored materials with material-specific parameters can be permanently added and saved in the melt index tester at any time.
The melt flow index tester is therefore ideal for determining the melt flow index, which provides the information about the flow behaviour or the viscosity of the plastic materials at different temperatures and pressures. During this test in compliance with ISO 1133, the mostly granular sample is placed in a preheated cylinder and heated at a material-specific temperature. A piston with a defined mass, due to its own weight, afterwards presses the liquid melt through a nozzle with a defined diameter. After a specified period of time, the measurement on the melt index tester is stopped and the mass, that has been flowing through the nozzle, is determined by means of the analytical balances, as a result the mass / time value (g / 10min) is obtained, which is also referred to as the MFI value. The melt flow index is determined in order to examine and study the flow behaviour of thermoplastics. Due to the flow behaviour, the degree of polymerization can be derived, which on the other hand has an influence on the later mechanical properties of the molded plastic. Since plastics are sometimes sensitive to moisture, the increased moisture in the granules during the melting process during injection molding can lead to the shortened molecular chains and thus to poorer mechanical properties. It is therefore necessary to dry the granules to a suitable level of moisture before injection molding in order to avoid later quality losses on the finished product.
The melt flow index tester from PCE Instruments is therefore a very suitable tool for determining the melt mass flow rate for a wide variety of thermoplastic materials. In this way, even before the production, the important parameters for the subsequent manufacturing can be determined and adjusted if necessary. Thus, the melt index tester contributes to quality improvement in the production process, reduces the reject rate and thus contributes to a sustainable cost reduction.
Technical Specifications
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Melting rate |
0.1 ... 400.0 g / 10 min |
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Temperature |
120 ... 400°C / 248 ... 752°F |
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Measuring accuracy temperature |
± 0.2°C / 0.36°F |
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Resolution |
0.1°C / 0.18°F |
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Test load |
0.325 ... 21.6 kg |
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Test piston Ø |
9.48 mm |
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Capillary Ø |
2,095 mm |
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Standards |
ISO1133-1997, ASTM 1238-04C, GB / T3682-2000 |
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Display Type |
7'' LCD touch display |
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Display Resolution |
800 x 480 pixels |
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Display Colour depth |
16,000 colors |
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Dimensions (without test load) |
500 x 320 x 500 mm / 19.7 x 12.6 x 19.7 in |
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Weight (without test load) |
About 15 kg / 33 lbs |
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Power supply |
90 ... 264V AC |
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Power consumption (at full load) |
About 0.6 kVA |
Delivery Scope
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1 x Melt Flow Index Tester PCE-MFI 400
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1 x Power cable
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1 x Tweezers
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1 x Funnel
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1 x Cleaning rod
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1 x User manual
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1 x Set of weights consisting of:
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1 x 325 g
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1 x 875 g
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1 x 960 g
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1 x 1200 g
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1 x 1640 g
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1 x 2500 g
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1 x 4100 g
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2 x 5000 g
Downloads
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