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Rubber Tester/Rotorless Rheometer Mdr-a
The polymer melt is a pseudoplastic fluid with the flow characteristics of shear thinning. The relationship between its viscosity and the shear rate constitutes the general viscosity.
Description
Our MDO Stretcher, Small Twin Screw Compounding Extruder, Capillary rheometer shear rate, at a reasonable price, has an innovative design, delicate quality and convenient function, which is competitive to others. We wholeheartedly welcome all cooperative units to come to inspect and guide, and jointly create a new situation in the industry. Our factory covers an area of 12, 000 square meters, and has a staff of 200 people, among which there are 5 technical executives. In order to strengthen the company and enhance the core competitiveness, we integrate advantageous resources and improve the brand influence.
1. Product description
The polymer melt is a pseudoplastic fluid with the flow characteristics of shear thinning. The relationship between its viscosity and the shear rate constitutes the general viscosity. Viscosity can fully characterize the fluidity of polymer melt, and the processing characteristics of polymer depend on its flow behavior
The extrusion capillary rheometer can be used to measure the viscosity of the polymer melt. The basic principle is to use an appropriate method to make the polymer melt flow stably from a capillary. In this process, measure the pressure drop generated when the melt flows through the capillary tube and the outflow per unit time at the same time, and then perform the appropriate calculation on these measured values to obtain the general viscosity.
There are two ways to make the polymer melt pass through the capillary tube, one is to use a piston to advance, the other is to use a screw to extrude. Screw extrusion measurement is closer to the extrusion processing environment, especially for materials that must undergo strong shear to form a uniform melt (such as a mixture of several materials)
1)Select an internationally renowned brand (GEFRAN) melt pressure sensor, with high test data accuracy
2)Select a capillary mold to test the apparent viscosity curve of materials
3)Selecting Capillary Moulds with Different Length to Diameter Ratios to Test the Real Viscosity Curve of Materials
4)Optional narrow slit die for testing the rheological curve of materials under special flow fields
5)Optional laser diameter gauge can be configured to record the diameter of the extrusion in real time and study the extrusion swell behavior of the material


2.Technical Parameters
Model | RCSI-20/28 |
Applicable materials | Universal plastics |
Screw diameter | 20mm |
L/D | 28 |
Screw speed | 0-100rpm |
Capillary die dia. | 1mm、2mm |
Capillary die L/D | 1mm:10、20、30、40;2mm:10、20 |
Pressure measurement range | 0-50mpa |
Pressure measurement accuracy | 0.5%f.s |
Weight accuracy | ±0.1g |
Heating/cooling method | Electric Heating/Fan cooling |
Operating temperature | Room temperature-350°C |
Temperature accuracy | ±1℃ |
Main motor power | 3kw |
Control | SIEMENS PLC |
Working voltage | Three-phase 380VAC±10%,Single-phase 220VAC±10%,50Hz |
Rated power | Approx. 9kW |
Lx W x H | 1255mm×1005mm×1000mm |
Weight | Approx.450kg |
Extrusion Capillary Rheometer application:
● Polymer extrusion capillary rheological properties test.
● Polymer extrusion and shear behavior analysis.
● Polymer processing and performance evaluation.
● Polymer resin quality inspection.

Capillary Rheometer Test
3.About us
Through years of research and development technology and production experience, Guangzhou POTOP has continuously promoted the standardization of experimental instruments and equipment, mainly including torque rheometers, extrusion capillary rheometers, and pressure filtration value testers for rheological performance characterization; Desktop small precision casting machines, desktop small precision calenders, desktop small precision film blowing machines, small precision multi-layer coextrusion film blowing machines, and biaxial tensile meters for processing and molding experiments. The above equipment not only has advanced functions, but also has stable performance, safe use, and beautiful appearance. It is the first choice for universities, research institutes, and enterprise research and development centers to independently and domestically manufacture scientific research equipment.


4.FAQ
1 Q:Will you provide after-sale service after we buy the machines?
A:Yes, we will guide you the installation and operation steps when you receive the machine.
2 Q: How do you control your production quality?
A: We have an independent QC team. Our QC team is checking all production phases and compare to drawings
to assure the quality.In case of non comformity,corrective action will be taken to repair/replace the defective part.
3 Q:Which brand are the accessories and electronic components in your machine?
A:We have a long term cooperations with Siemens, Schneider,Nuode etc.
4 Q:What's your products' advantage
A: A. Good quality and competitive prices.
B. Strictly quality control when producing.
C. Professional team work, from design, development, producing, assemble,packing and shipping
D. On time delivery
Our Rubber Tester/Rotorless Rheometer Mdr-a has obtained quality certification and are in line with the standards, and our company has cooperated with many famous enterprises and become one of their excellent suppliers. We combine our work with diligent thinking, thinking about what services they lack from the perspective of consumers. Our employees are more willing to accept challenging jobs. It may be more important for them to give full play to their professional expertise and achieve career success than material rewards.
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