Some instruments can also calculate the shear rate, shear stress, and viscosity in. Advanced melt flow system the 6mpca is the most advanced digital model offered within the ray. The only flow parameter available to the processor is the melt flow index of the material. The basic property measured by the melt flow test is the melt viscosity or flow resistance of the polymer at a particular shear stress related to the applied load and. Optional accessories can be selected according to different.
Melt flow index tester, manufacturers suppliers of melt flow index. Pdf determining the melt flow index of polypropylene. Melt flow index mfi is defined as the measure of the ease of melt flow of thermoplastic material in gram over the course of 10 min at a certain standard temperature ie, 230c. View detailed export data, price, monthly trends, major exporting countries, major ports of melt flow index tester under hs code 9024. The instrument is designed and manufactured as per standards set by iso and astm and is mainly focused on meeting the principal conditions necessary for the test. Export data and price of melt flow index tester under hs code. The melt flow rate mfr, originally called melt flow index or melt index, is a measure of the ease of flow of the melt of a thermoplastic polymer. The melt flow index tester is used for determination of the melt flow rate of various materials such as plastic granules. Any temperature within 120ac450ac 248af842af can be accurately controlled. It is used to determine the melt mass flow rate mfr and the melt volume flow rate mvr of thermoplastics materials. The tester conforms to all national and international melt flow resistance standards, including bs en iso 13 and astm d1238. Melt flow tests are a simple method of characterizing the flow properties of a plastic melted mass.
The melt flow index obtaining accurate and relevant results. Manufacturers of polymer rheology testing machine to measure polymer viscosity, melt flow index and mfi testing. A complete equipped instrument suitable for the determination of mfr values in g10 min. The right extrusion plastometer for every testing volume. Melt flow index instrument host structure introduction 20171208. The mfi is a determination of the flow ability of thermoplastic materials. There are two points in the manufacturing supply chain where a determination of average. Melt flow indexermfi are used for military uniforms, canvas, canvas, labor insurance products. The ceast mf50 multiweight melt flow tester features preinstalled masses for a high level of safety with both single and. The mass of resin, in grams, that is extruded in 10 minutes equals the mfr, expressed in units of g10 min. Xnr400a liquidcrystal display plastic melt flow index tester principle.
The melt flow indexer, often abbreviated as mfi, is an affordableprice tabletop instrument used to test the melt flow resistance mfr of a wide range of. This tester can test thermoplastic melt mass flow ratemfr and melt volume flow ratemvr, qc652s buildin isoastm standards test methods, operative picture is adopted touch panel guided conversation style screen, user can precisely and smoothly to proceed with test, buildin analysis function and with flash drive save function. Melt flow indexer complete range from manual to robot goettfert. Some instruments can also calculate the shear rate, shear stress, and viscosity in centipoise. It is used to determine the melt massflow rate mfr and the melt volumeflow rate mvr of thermoplastics materials. It adopts auto sampling method and the cut samples are weighed. The sample can be in the form of virgin resin pellets or ground material from a finished thermoplastic product. The melt flow index mfi is a measure of the ease of flow of the melt of a thermoplastic. Apr 01, 2000 this value is also commonly called the melt index, mi, or melt flow index, mfi. Izod and charpy impact tester operation procedure 201711. Melt flow index tester nxg model testing procedure youtube.
Standard test method for melt flow rates of thermoplastics by. Mfi400b melt flow indexer operation instructions page 5 and some numeric keys are used as functional keys. Use of melt flow rate test in reliability study of thermoplastic. International equipments plastic testing equipments. The melt flow index value allows for direct comparison of materials to each other and is a valuable tool for quality assurance.
The basic principle employed in the melt flow index. The saumya mfi tester are built to measure melt flow rate with greater accuracy as prescribed in different national and international standards. Melt flow index equipment melt flow systems used to determine the flow characteristics of various polymers melt flow index testers and accessories bt technology inc. The melting property of thermoplastic material can be checked by equipment called a melt flow tester fig. Of those that do, most dont understand why they are doing it or what they are measuring. Iso 131991 determination of the melt mass flow rate mfr and the melt volume flow rate mvr of thermoplastics3 3. Mp1200 model of melt flow indexer testing machine from. Melt flow index, melt flow rate, astm d1238, iso 13. The mp1200 features the latest in melt flow measurement technology and allows operators to quickly and easily set up and perform melt flow tests. Melt flow rate measures the rate of extrusion of thermoplastics through an orifice at a prescribed temperature and load. Qualifi 6000 melt flow indexer series can be used for testing mfr and mvr of polycarbonate, fluoroplastics, as well as polyethylene, polypropylene, abs, pom, etc and is related to the melted material viscosity. It is generally used as an alternative to procedure b on samples having melt flow rates greater than 75 g10 min. Manufacturers, suppliers and exporter of melt flow index tester, melt flow index, melt indexer, mfi tester for plastics, plastic pipes in mumbai, india.
Melt flow rate depends on molecular weight, additives, and other ingredients. Rt701b melt flow indexer meets the requirement of gbt36822000 and astm d123898. The melt flow index mfi is a measure of the ease of flow of the melt of a thermoplastic polymer. Aug 23, 2011 the melt flow index mfi, also known as the melt flow rate mfr, determines the melt flow properties measured in g10 min of a material at a specific shear stress related to applied load and temperature. The hanatek melt flow indexer mfi is one of the most advanced instruments available for the measurement the melt characteristics of thermoplastic polymers. Melt flow tester mfi melt flow indexer rayran manufactures an extensive range of advanced plastics and rubber testing equipment such as 6mba advanced melt flow indexer which is a highly precise melt testing instrument for the measurement of melt flow rate mfr or melt volume rate mvr in quality control and. Melt flow tester melt flow tester the instron ceast mf50 multiweight melt flow tester performs melt flow rate melt index tests according to mfr and mvr methods. This value is also commonly called the melt index, mi, or meltflow index, mfi. This value is also commonly called the melt index, mi, or melt flow index, mfi. It is a widely used product in plastics and polymer industry.
Iso 13 determination of the melt mass flow rate mfr and the melt volume flow rate mvr of thermoplastics3 3. Melt flow rate testing part 5 reprinted with permission materials know how by michael sepe from michael p. Melt flow tester mfi melt flow indexer rayran manufactures an extensive range of advanced plastics and rubber testing equipment such as 6mba. Flow temperature of pure polypropylene by using a base load. A flow rate test is a measure of a polymers mass flow rate grams extruded in 10 minutes. The melt flow index mfi, also known as the melt flow rate mfr, of a resin is a materials property test used in the plastics industry.
In the present work, a method has been proposed to estimate the. Part i article pdf available in advances in polymer technology 61. Saumya technocrates manufacturering wide range of plastic testing equipments in india the melt flow index test measures the rate of extrusion of a thermoplastic material through orifice of specific length and diameter under prescribed conditions of. Melt flow indexer qualifi 6000 series astm d1238, iso 13. It adopts auto sampling method and the cut samples are. The fabric fusing tester is designed for use in the determination of the heatresistant properties of chemical fiber and blended fabrics to determine the effect of fabric resistance to melt treatment. Servo tensile testing machine is a combination of modern electronic technology and mechanical transmission technology products 20171116. Note 1roundrobin testing indicates this test method may be suitable at.
Ceast mf20 and ceast mf30 melt flow testers comply with astm d1238 and iso 11222 and can are effective with temperature and moisture sensitive materials. This equipment is suitable for determinations in accordance with following standards. Melt flow index tester mfi manufactured by hanatek instruments a melt flow index tester mfi is a key indicator for producers, processors and converters of plastic materials as it dictates the temperatures and pressures required to manufacture consistent quality products. The value of melt flow index testing polymer solutions. The extrusion plastometer can be used either as a standalone instrument, or it can be run with a computer software for sta. Tmi and rayran have been manufacturing melt flow index testers for plastics for decades.
Mfi tester melt flow index testing rheological testing of. Source testing equipment to test melt flow index of plastic raw material and polymers. Standard test method for melt flow rates of thermoplastics. Materiallevel testing involved rheological measurements on the thermoplastics using a melt flow index mfi or mfr instrument. While melt flowrate testing is not extremely difficult, and the equipment is not very costly, few. Melt flow index is an assessment of average molecular mass and is an inverse measure of the melt viscosity.
Increasing the test load for polyethylenes from the standard. And also,we design and manufacture the instrument after we made a reference of similar standards,such as jbt5456 and iso 13. This new model, the mp1200, meets, and surpasses, all the requirements of procedure a and procedures b, c and d of astm d1238. More than just a quality control rheological parameter. Extrusion plastometers melt flow index testers zwick roell. Melt flow rate testing part 4 reprinted with permission materials know how by michael sepe from michael p. The melt flow index mfi, also known as the melt flow rate mfr, determines the melt flow properties measured in g10 min of a material at a. Presto group is the manufacturer and supplier of melt flow index tester nxg model testing machines. The melt flow index only tests the material at one shear stress, and temperature. The selection and adjustment of the barrel temperature forms part of the test setup which is entered from the console and saved when the machine is switched off. It provides a means of measuring flow of a melted material which can be used to differentiate grades as with polyethylene, or determine the extent of degradation. Measuring mass flow rate mfr and other polymer properties.
Different standardised conditions of extrusion temperatures and pres. Due to the modular design of this system, it is possible to automate the measurement process step by step. The test measures the melt flow properties of resins in g10 min at a particular shear stress related to applied load and temperature. The melt flow index test measures the rate of extrusion of a thermoplastic material through orifice of specific length and diameter under prescribed conditions of temperature and pressure. There are correlation charts if anyone wants to get viscosity in mpa or centipoises from a melt index number, but hardly anyone use s them in industry.
The selection and adjustment of the barrel temperature forms part of the test set up which is entered from the console and saved when the machine is switched off. The value obtained through the melt flow index test is a single data point. Machines that determine flow rate are generally called melt indexers. Note 2this test method and iso 131991 are technically equivalent. It is defined as the mass of polymer, in grams, flowing in ten minutes through a capillary of a specific diameter and length by a pressure applied via prescribed alternative gravimetric weights for alternative prescribed temperatures. Nexygennexygen analysis softwareanalysis software the davenport melt flow indexer is used todetermine the melt flow rate of a polymer byextruding it in a. Mfr100 manual basic melt flow system united testing systems. The mp1200 is a superior, advanced, melt indexing system that is available in either manual or motorized configurations and features a new three zone band heater with three controllers that result in unparalleled. Understanding melt flow is a key indicator for producers, processors and converters of plastic materials as it dictates the temperatures and pressures required to manufacture consistent. Jul 24, 2014 presto group is the manufacturer and supplier of melt flow index tester nxg model testing machines. The 4601 melt flow indexer is an affordable and easytouse tabletop instrument that tests the melt flow resistance mfr of a wide range of thermoplastics. Melt flow index deluxe testing procedure presto stantest pvt.
Melt flow index tester are used to measure the melt flow index mfr in g10min and the volume flow index mvr in cm. The mi2 series easily performs melt flow rate mfr, as well as melt volume rate mvr measurements. Melt flow index tester saumya technocrates plastic. The basic melt flow indexer, often abbreviated as mfi, is an affordableprice tabletop instrument used to test the melt flow resistance mfr of a wide range of thermoplastic materials. Astm d1238 standard test method for melt flow rates of. Melt flow rate instrument is a kind of extrusion plastic meter, it is stipulated in the temperature of analyte with high temperature. Similarly, the test conditions of mfi measurement is normally expressed in kilograms rather than any other units. The melt flow index mfi is the measure of how many grams of polymer pass through a standardized capillary under a standard load over 10 minutes. Melt flow indexer manual and motorized mp1200 from tinius olsen. The mp1200 is available in two distinct versions, a. A flow rate test is a measure of a polymers mass flow rate grams extruded in 10 minutes using a particular orifice under specified conditions of temperature and load. Melt flow index tester on sales quality melt flow index. Saumya technocrates manufacturering wide range of plastic testing equipments in india the melt flow index test measures the rate of extrusion of a thermoplastic material through orifice of specific length and diameter under prescribed conditions of temperature and pressure.68 859 1388 178 28 17 225 558 1381 953 594 1301 305 622 141 652 219 106 1417 904 1029 133 53 890 774 1382 1148 861 1472 1235 1115 328