Test results measure of mooney viscosity large rotor. The mv one mooney viscometer includes both large 38. The various viscometers used for determining the viscosity of different systems can be broadly divided into the following types. To do this, use the adjustment screws of the support base and control the adjustment with the help of the spirit level on the viscometer. This feature enables the user to measure the decay of viscosity by firmly locking the rotor after the programmed test time has elapsed. Mooney viscometer, mooney viscometer manufacturers. Mooneyline viscometer mooney viscometer rubber testing. Jul 16, 2016 micro visions mooney viscometer is a shearing disk viscometer, designed for accurate measurement of viscosity, stress relaxation, scorch time and cure rates of the elastomers with unbeaten data. The lite version permits a maximum of six test points for a given test specification and is complete with a calibration module. A semiquantitative interrelation was given between the mooney viscosity and the relaxation spectrum and the validity of this relation illustrated with experimental data. Viscosity, relaxation and stability of natural rubber bentham open. The name is derived from maoin a gaelic word meaning wealth or treasure of treasure, hence when omaonaigh was anglicised to mooney it meant the descendant of the wealthy one according to irish lore, the mooney family comes from one of the largest and most noble irish lines. Micro visions mooney viscometer is a shearing disk viscometer, designed for accurate measurement of viscosity, stress relaxation, scorch time and cure rates of. Jun 23, 2019 this standard is issued under the fixed designation d.
The rpa flex provides the highest quality of rubber rheometer data in a. Mooney viscometer equipment equipment summary summarysummary. Mvc3 mooney viscometer is used for measuring viscosity and relaxtion of raw rubber stock or rubber mass prevulcanization properties. Pg flash allows you to create repeatable custom tests on your pc and then uploaded to any dv2t viscometer or dv3t rheometer. Mooney viscometer controlled by personal computer for the performance of viscosity, scorch and stress relaxation tests. Mooney viscometer is a shearing disk viscometer, designed for accurate measurement of viscosity, scorch time and cure rates of the elastomers. I have just modified one external link on mooney viscometer.
Mooney viscosity is defined as the shearing torque resisting rotation of a cylindrical metal disk or rotor embedded in rubber within a cylindrical cavity. Get mooney viscometer at best price with product specifications. Spc software of mooney viscometer can draw and analyze the test results of mooney values and scorch times such as xmr, xr, histogram and normal distribution. The mooneycheck drive is a mooney viscometer, which permits to measure the mooney viscosity, precuring scorch and stress relaxation characteristics of uncompounded or compounded rubbers in conformity with iso 2891, iso 2892, iso 2893, astm d 1646 standards. The mooney viscometer measures the effect of temperature and time on the viscosity of rubbers. Dial reading viscometer from brookfield possible customer questions and answers support materials see document demos demo units are available with fungilabs leasing. The mv one mooney viscometer is a fullyfeatured instrument incorporating the latest technology for traditional mooney testing. Jul 21, 2019 astm d rubber rheometer mooney viscometer. Processibility of rubbers and usefulness of the mooney viscometer.
The increased use of the mooney viscometer in america for checking the plasticity of different batches of synthetic rubber has led to a wider appreciation of the care which is necessary for accurate operation of this apparatus. A mooney viscometer is an instrument used for measuring the mooney viscosity of rubbers. Mooney viscosity and mooney relaxation of unaged and oven aged smr l natural rubber samples were stud ied. The unit autozeros before each test, autocalibrates viscosity and does not exceed 2 min and 50 sec when heating from ambient to 100. Innovations in curemeter and mooney viscometer technology.
Processibility of rubbers and usefulness of the mooney. Astm d1646 19a standard test methods for rubberviscosity. Mooney viscosity curve, mooney s1646 curve, temperature curve of the upper and lower mold 4. Mooney viscometers are rotational the rotor moves in a single direction at a constant rate instruments, measuring mooney viscosity not viscosity in the true sense of the scientific term, but instead a measure of shearing torque averaged over a range of shear rates.
Determination of mooney viscosity 1 scope this part of iso 289 specifies a method of use of a shearingdisc viscometer for measuring the mooney viscosity of uncompounded or compounded rubbers. The origin of the different moony or mooney families is lost in antiquity. Mooney viscosity testing at 100c, significantly reducing operator waiting and nonproductive times of the instrument. Capillary instruments are very accurate for the measurement of viscosity of newtonian fluids having low viscosity. This system can be used to rapidly cool the viscometer from a higher testing temperature e. It can also be spelled moony, moonie, mainey, mauney, meaney and meeney depending on the dialectic pronunciation that was anglicised. Mooney viscometer is controlled by personal computer. The mooney shearing disk viscometer and oscillating disk rheometer, odr, are two rubber test instruments found in rubber labs throughout the world.
It is also used for measuring viscosity in mooney value for compounded or uncompounded unvulcanized. Mooney viscometer printer model, v33 same specification as v32 plus. Using the mooney viscometer rubber chemistry and technology. Evaluation of mooney viscosity by shimadzu mooney viscometer. Jan 18, 2020 historical version s view previous versions of standard.
The mini mooneyline viscometer is supplied with the latest computer hardware, preinstalled with our advanced data acquisition and analysis labline lite software for microsoft windows os. Browse this site, which means you agree with online privacy declaration. It is the latest, lowcost version incorporating a 16 bit microcomputer and latest technology with improved accuracy, enhanced operability and easy calibration control. Mooney viscometer software utilizes a lcd touch screen panel, autostart functions, data examination and quick sample monitoring, optional pc control software the smv301rt can be run using the lcd touch screen panel to allow for evaluation of materials during inline processes. Along with this, low rotor speed rates in mooney viscosity testing even provide.
Overall, this allows a detailed and complete understanding of the polymer behavior. Pdf the mooney viscometer the even today in use method to determine viscosity of rubber compounds. The results showed that the mooney viscosity of mixed rubber increased with the extension of the. Viscosity of newtonian and nonnewtonian liquids rotary. Rubber, unvulcanized determinations using a shearing. The rotary viscometer must be adjusted until it is exactly vertical. The mooney viscometer development platform based on large databases, temperature control devices using the software to directly control and collection and processing. The dv1m viscometer communicates to the pc through usb a port.
The smv301 and smv301rt are mooney viscometers made for testing properties such as mooney viscosity, scorch time, and stressrelaxation of rubber samples. The working principle of the mooney viscometer consists in the. Mooney viscometer montech rubber testing solutions. China rubber mooney viscometer tester mvc3 china mooney. Sep 05, 2018 mooney viscosity and stress relaxation. Historical version s view previous versions of standard.
It is a measure of the viscosity of a rubber or compound determined in a mooney shearing disk viscometer. Mooney viscometer viscosity for rubber vulcanization index determination. Mooney viscometer mooneycheck drive gibitre instruments. Lower the viscometer until the surface of the liquid exactly reaches the calibration mark of the rotary body. The effect of screw rotating speed on mass flow rate, temperature, viscosity, mooney scorch time anddie swell of cold feed rubber blending prepared by qsm 200 extruder.
Mooney viscometer controlled by computer, the computer setting the parameters of the direct control of test parameters rheometer. The mv one mooney viscometer is a fullyfeatured instrument incorporating the latest. Smv301smv301rt mooney viscometers feature a color lcd touch panel. Since 1934 when mooney developed the viscometer 1, a great deal of work has been done to eliminate machine and test method deficiencies and variables, thereby increasing the reproducibility of mooney viscosity measurements this article identifies and describes factors that affect mooney viscosity test. Evaluation of mooney viscosity by shimadzu mooney viscometer, model smv the shimadzu mooney viscometer features excellent performance of the mooney viscosity test and the mooney scorch test on unvalcanized rubber, with high efficiency ensured by. The mooney viscometer is used in the rubber and elastomer industry. The following is an introduction of mooney viscosity tests on the standard. The test sample is placed below and above the rotor with optional test film. Is reclaimed rubber, rubber, wire and cable industry indispensable instrument. The dimensions of the shearing disk viscometer, test temperatures, and procedures for determining mooney viscosity are defined in these test methods.
Pdf influence of processing technology on mooney viscosity and. We guarantee the quality of our products, since we deal only with authorized and reliable mooney viscometer manufactures. Precision and bias 7 this can result in different viscosity values for some satm. The working principle of the mooney viscometer consists in the measurement of the.
Mooney viscosity is the most widely used processability criterion in the rubber industry. Prevulcanization, mooney viscosity and relaxation in one machine. Compact printer with high speed print capability 24 character column print output date and time recorder viscosity. Such information can be derived from four features. Collect comprehensive flow data quickly and easily with the use of the supplied powder flow. Pdf the effect of screw rotating speed on mass flow rate. Their development started when melvin mooney developed the mooney viscometer ref.
This standard is issued under the fixed designation d. Providing frequency conversion type mooney viscometer to test the viscosity of particular rubber. Mooney viscometers are the backbone for testing the viscous flow of raw materials such as polymers and intermediates such as masterbatches for maintaining stable and consistent manufacturing processes. The mk iii mooney viscometer formally negretti measures and records the viscosity of natural, synthetic or compounded rubber. Evaluation of mooney viscosity by shimadzu mooney viscometer, model smv the shimadzu mooney viscometer features excellent performance of the mooney viscosity test and the mooney scorch test on unvalcanized rubber, with high efficiency ensured by controlling system. Mooney viscosimeter montech rubber testing solutions.
Sample in a certain temperature and pressure, the rotor to a certain degree of rotation torque on the sample to a certain degree of shear stress, measure out the rubber antishear torque. November 2019 standard test methods for rubberviscosity, stress relaxation, and prevulcanization characteristics mooney viscometer. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple faq for additional information. Mooney is a family name, which is probably predominantly derived from the irish o maonaigh. This site uses cookies to collect the necessary user browsing behavior so that we can provide you with a better browsing experience. Mooney viscometer mk iii large and small rotor, tool set optional accessories. It was shown that the mooney viscometer can be used not only for the fundamental test but also for the performance test for processibility of raw rubbers. Rubber, unvulcanized determinations using a shearingdisc. Hold it firmly with one hand while screwing the spindle on with the other note lefthand thread.
Mooney viscometer consisting of a motordriven rotating disk within a cylindrical. These products are manufactured using the finest quality raw material in accordance with the set industry standards. Mount the guard leg, if used, spindle protector on the viscometer. The mooneyline viscometer has the ability to be programmed for measuring the stress relaxation index of material samples. The small rotor shall conform to ashm large rotor except the diameter shall be this can result in different viscosity values for some rubbers. The standard describes the properties of the mooney shearing disk viscometer. Attach the spindle lefthand thread to the viscometer lower shaft by lifting the coupling screw slightly. The mooney viscosity of raw natural rubber malaysian rubber. The interface cable is supplied with wingather sq software. The instrument consists of flat, cylindrical disk, driven by a motor to rotate slowly and. Pdf the influence of mixed rubber processing technology on mooney viscosity and burning time was studied.
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