Full Automatic Melt Flow Indexer: A High-Precision Melt Flow Testing Solution for the Manufacturing Industry

DESCRIPTION / TECHNICAL SPECIFICATIONS

Advanced Melt Flow Testing Solution for High-Precision Plastic and Polymer Quality Control

In the plastic manufacturing and petrochemical industries, maintaining consistent viscosity and flow characteristics of raw materials is vital to preventing production defects during injection molding or extrusion processes. The Full Automatic Melt Flow Indexer with Advance Technology is a high-precision laboratory testing instrument specifically engineered to determine the Melt Flow Rate (MFR) and Melt Volume Rate (MVR) of thermoplastics and resins in a state of viscous flow under specified temperature and load conditions.

This automatic melt flow testing machine is suitable for both high-melting-temperature engineering plastics—such as polycarbonate (PC), aromatic sulfone, fluorine plastics, and nylon—as well as lower-melting-temperature polymers including polyethylene (PE), polystyrene (PS), polypropylene (PP), ABS resin, and polyformaldehyde (POM). The instrument is designed in full compliance with major international testing standards, including ISO 1133:1997, ASTM D1238, and GB/T 3682-2018.

Key Features and Technological Advantages

• High-Precision Multi-Stage Temperature Control: Equipped with a 5-stage temperature control mode utilizing 5 groups of platinum resistance sensors, 5 heating sleeves for independent temperature regulation, and intelligent high-precision PID control. Operating across a wide temperature range of 40°C to 450°C with a 0.1°C display resolution, the system ensures superior temperature uniformity, an adjustable heating rate slope, and a built-in overtemperature protection device.
• Comprehensive Testing Methods (MFR & MVR): Supports the mass measurement method (MFR) ranging from 0.1 to 150 g/10 min, the volumetric method (MVR) ranging from 50 to 8000 cm³/10 min, or simultaneous testing of both methods with automatic flow rate ratio calculation. It features a high-resolution displacement sensor (up to 0.001 mm) paired with an accurate photoelectric rotary encoder.
• Automated Weight Loading and Sample Cutting: Test weights can be loaded manually or driven automatically via a stepper motor and ball screw mechanism to smoothly control the rise and fall of the top loading weight. The machine comes equipped with a full set of 8 classes of test weights (ranging from 0.325 kg to 21.600 kg with ±0.5% accuracy) and an integrated manual/automatic cutting mechanism with customizable cutting intervals and cycles (0–999).
• Smart Touch Screen Interface & Built-In Material Profiles: Controlled via a high-precision 7-inch touch screen that features built-in melt index test conditions for multiple plastic materials, significantly reducing operator workload. The system includes a built-in temperature stability audible alarm, automatic preheating countdown compliant with ASTM and GB standards, data storage for recent test parameters, and pass/fail (OK/NG) judgement capabilities.
• Seamless Data Management & Instant Printing: Features a built-in micro printer for immediate hardcopy output of test results. Furthermore, reserved RS232 and USB interfaces allow seamless connection to a computer for software-based operation control and direct export of test data and reports into PDF or Excel formats. Built for industrial durability, the standard accessories include a tungsten carbide die and stainless steel charging hopper and cleaning rods.

Industrial Applications and Production Efficiency Benefits

The Full Automatic Melt Flow Indexer is widely utilized across plastic raw material production plants, downstream plastic product manufacturing, petrochemical industries, as well as universities, scientific research institutions, and commodity inspection departments.

By automating weight loading, sample cutting, and test parameter recall, this instrument drastically reduces testing cycle times and eliminates operator-induced errors in Quality Control (QC) laboratories. Manufacturers can reliably verify incoming resin batches and finished polymer compounds before mass production, ensuring consistent product quality and optimal manufacturing efficiency.

Optimize Your Polymer Testing Laboratory Today

Ensure your plastic raw materials and polymer products meet strict international quality standards. Contact our technical specialists today for a comprehensive consultation, detailed technical specifications, or a customized quotation tailored to your industrial testing requirements.