Melt Flow Indexes

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Melt Flow Indexes

The Benz Melt Flow Index measures the rate of extrusion of molten resins, through a die of specified length and diameter, under prescribed conditions of temperature, load, and piston position in the barrel, as the timed measurement is being made.

• Melt Flow Index, per ASTM D-1238, measures flow rates of thermoplastics by extrusion plastometer.

• P.I.D. temperature controller, RTD temperature probe and cast heater insure rapid heatup and stable constant temperature to the test sample.

• Digital display of setpoint and actual temperature quickly provide correct temperature information.

• Thermo isolators separate electronic components from heat, providing more consistent test results and less potential for system failure.

• Metal surfaces are stainless steel or hardcoat aluminum, anodized for durability and ease of cleaning.

• Built in timer to automatically time test for more accurate results.

• The unit can be configured for manual operation, per procedure A, or for automatic operation, per procedure B.

• Optional equipment includes weight application, automatic cutoff, computer system, and different piston cylinder material.

FRAME

• Weight: 40 lbs. (18 kg)
• Depth: 12" (30 cm)
• Width: 10" (25 cm)
• Height: 18" (45 cm)

TEMPERATURE

• Controllers: P.I.D.
• Probe: RTD
• Range: (100^o C - 350^o C)
• Accuracy: +/- (.2^o C)

OPTIONS

• Weights available: 0.325 kg, 1.0 kg, 1.05 kg, 1.2 kg, 2.16 kg, 3.8 kg, 5.0 kg, 10.0 kg, 12.5 kg, 21.6 kg

• Orifice, piston and cylinder are available in materials other than 52100 steel

• Automatic extrusion cutting device

• Automatic weight lifting and application

• Automatic piston travel transducer

• Computer for monitoring and controlling the instrument, with MFI program, data storage and reports