ISO 11443 Intelligent Capillary Rheometer Capillary Flow Tester Automatical Thermoplastics Apparent Viscosity Test Machine

Scope of Application

1. This product complies with the standard GB/T 25278-2010 "Determination of the Flow Properties of Plastics Using Capillary and Slit Die Rheometers"; this standard is equivalent to ISO 11443-2021. It is used to determine the shear rate of plastics and polymer materials, and the fluidity of the melt under shear stress at a certain temperature, including the apparent viscosity of thermoplastics.

2. This rheometer is a computer-controlled intelligent capillary rheometer. It can operate under constant pressure, constant speed, constant temperature, different heating rates, different temperatures, and different shear rates. The software automatically measures detection parameters such as pressure, temperature, and speed of different plastics under different die conditions. The software automatically plots curves and saves and prints the data.

3. Different specifications (low-temperature type, high-temperature type, different pressures, different plunger diameters, etc.) can be customized according to user requirements.

Features

1. High data acquisition frequency (greater than 100 PPS), which can more accurately record the transformation points of the material in different states, without missing key material state transformation points; accurately calculate the apparent viscosity at different shear rates;

2. Multiple data curves can be superimposed; multiple curve forms can be displayed on the coordinate axes.

3. The load application device of this instrument is reasonably designed, using a dual-motion upper body for loading, and using high-precision pressure sensors and load sensors for data acquisition; the software and hardware are dual-closed loop, realizing stepless adjustment of speed and loading force; wireless remote control manual and automatic loading control can be used, which is convenient, fast, and accurate.

4. Regarding the shear viscosity and shear rate curve coordinate axes: during the test, the coordinate axes are normal coordinate axes. After the experiment is completed, if you want to view the log coordinate axis image, you can directly adjust and display the log coordinate axis with the mouse. This allows you to observe the image in two ways.  The lowest point of the coordinate axis is set with the mouse after the experiment is completed.

5. It has a scale display function, which can intuitively show the plunger displacement position.

6. The overall machine structure adopts a "square" frame streamlined design, ensuring structural strength, a more aesthetically pleasing appearance, greater stability, and easier transportation and installation.

7. Expandability: This instrument can be expanded to a dual-pressure head testing mode without replacing the main unit.

8. Electric assisted material cleaning.

9. The furnace body can rotate 90°, facilitating auxiliary material cleaning.

10. Loading adopts an overall moving dual-energy upper body moving loading and pressurizing mode; pressurization is more stable;

11. Wireless remote control loading.

12. Streamlined design, elegant and rounded appearance, strong sense of technology;

13. Simple and clear decoration, making the overall feel fresh and eye-catching;

System Composition

The system structure design adopts a "square" frame design to ensure structural strength. The overall appearance adopts a streamlined design, which is beautiful and elegant; with a strong sense of technology; the transmission structure uses a Taiwanese brand precision ball screw to achieve dual-energy upper body moving loading transmission, giving the overall impression that no movement is actually taking place during the experiment, resulting in more stable performance; the speed control system uses an AC servo system to achieve precise control of displacement and pressure. The heating unit uses a spiral heating wire for overall heating, ensuring uniform temperature throughout the barrel, and the furnace body can be moved out as a whole, which is more conducive to cleaning residual material and the furnace chamber after the experiment. The high-tech measurement and control system uses wireless remote control for mobile pre-loading, and the software interface is simple and intuitive, allowing users to set test modes and relevant operating parameters, and display relevant curves and calculation results in real time.

Test Items

1. Constant speed shear test: capable of measuring shear stress vs. shear rate curve, and shear viscosity vs. shear rate curve.

2. Constant pressure shear test: capable of measuring shear viscosity vs. shear rate curve.

3. Step shear rate test: different shear rates can be set according to user requirements, capable of measuring shear stress vs. shear rate curve, and shear viscosity vs. shear rate curve, and determining melt fracture conditions and the minimum flow pressure and shear rate of the melt based on the curve changes during the experiment. a) Flow/Non-flow test: Measures the relationship between viscosity and temperature, allowing for precise determination of the minimum flow temperature.

b) Melt fracture and flow instability: Studies flow instability phenomena, including melt fracture and melt rupture.

IISO 11443 Computer-Controlled Capillary Rheometer Laboratory Plastics Flow Properties Capillary Tester Slit Die Rheometer