Model : MFI - DX
A Melt Flow Indexer is an accurate measuring tool that assesses a polymer’s ability to flow as a melt (also referred to as a Melt Flow Rate, or MFR). This measurement is critical in the plastics industry and is frequently used to assess the quality of a polymer. When MFR is determined, a producer has confirmed that a polymer meets processing requirements and performance requirements that will affect the end-product’s consistency, durability, and usability.
A Melt Flow Indexer is an analysis device that measures the flow characteristics of thermoplastic polymers under a defined temperature and pressure. The Melt Flow Rate (MFR) measures the relative rate at which the polymer melts and flows under heat, and it is an indicator of molecular weight and processability.
There are advanced possibilities for utilizing this test in a variety of industries, such as packaging, automotive, and construction. Here, reliability and processability will provide an opportunity to develop a high-quality functional plastic product.
Melt Flow Index (MFI) testing evaluates flow properties of a polymer and provides manufacturers with information to give details about the polymer's potential performance in each intended use. The MFI test procedure includes first heating a barrel containing the polymer sample to the melting temperature. Once melted, a predetermined weight is placed in the barrel, applying pressure to push the molten polymer through a narrow die. The weight of the extrudate polymer is then determined for a period of time, providing the Melt Flow Rate (MFR).
The MFR gives the user an indication of flow properties of the polymer relative to molecular weight. The MFR helps the manufacturers ensure the quality of the polymer, provide initial information for processing adjustments, and ensure the structure of the polymeric material is consistent. MFI testing is performed by many types of industries, including packaging, automotive, and construction, to make sure they meet desired performance specifications provided by the manufacturer in applications.
Here are the benefits of the Melt Flow Indexer:
Product Quality Management
Melt Flow Indexers allow for precise determinations of polymer flow characteristics, giving the makers confidence that materials will perform consistently. With the measurement of melt flow rate (MFR), even early, it is possible to recognize changes in the polymer formulation or in the processing of it, thus avoiding defects and providing assurance of consistent batch quality and final product performance.
Process Optimization
By comprehending the melting flow behavior of a polymer, manufacturers can change the operating conditions, such as temperature, pressure, and extrusion speed to develop operational efficiencies, reduce waste of the material, and have an easier time managing the process, which leads to polymer that will better perform in processes like molding, extrusion, or film blowing.
Material Selection
Melt index tester data helps designers and engineers select the correct polymer grade for an application. Knowing the flow behavior which relates to compatibility with process equipment and specific applications, whether manufacturing flexible films, rigid parts or automotive components will enhance product performance, and ultimately reduce the probability of processing issues.
Cost Effectiveness
Melt flow monitoring prevents excessive material wastage and minimizes the potential for production defects. Use of polymers with suitable MFR allows processors to maximize processing, minimize energy usage, and prevent reworking or scrap, achieving cost savings while ensuring uniform quality and performance levels.
Standardization and Compliance
MFI testing adheres to set procedures, yielding reproducible results in accordance with industry standards. This serves to enable manufacturers to prove regulatory and customer compliance, provide consistency between batches of product, and establish confidence in the quality of the polymer for high-stakes applications across automotive, packaging, and construction industries.
Here are the major applications explained in detail:
Production of Plastics
The Melt Flow Index (MFI) has become a common method used throughout the plastics industry to make polymers with controllable flow properties. By measuring melt flow, producers can ensure batch consistency, develop extrusion and molding processes, and produce plastics with predictable mechanical and thermal properties.
Quality Control
MFI testing is a critical component of quality control in plastics processing. It serves to identify changes in polymer composition, molecular weight, or processing conditions, such that materials conform to specified requirements and perform uniformly in end-applications such as packaging films, containers, and auto parts.
Material Development and Research
In the context of research and development (R&D), melt flow index (MFI) measurement aids engineers and scientists in either developing new grades of polymer or reformulating existing grades of polymers.
Once they understand the flow properties, they can formulate the polymer for specific processing techniques, mechanical properties, and for the final use applications. This process leads to new and innovative products in packaging, automotive, construction and consumer industries.
Injection Molding and Extrusion
The MFI information informs process engineers on selecting the right polymer for injection molding or extrusion. When the melt flow rate is known, molds can be filled properly, parts can be uniform, and defects, including voids or warping, can be avoided. This is a more efficient process and minimizes the use of material.
Automotive and Construction Applications
Automotive parts, insulating materials, tubing, and building materials made of polymers rely on consistent flow properties for function and durability. MFI testing is a useful way to ensure these items meet process and mechanical specifications, giving rise to reliable and durable end products that end-users can trust.
We recommend the Presto Instruments Melt Flow Indexer due to its accuracy and reliability along with conformance to standards such as ASTM D1238 or ISO 1133. It contains a microprocessor based control system to maintain stated temperature settings; a digital temperature readout for easy visibility; an automatic timer; and an auto cut-off function which will enhance the efficiency of your testing and reduce operator error. Additionally, with Presto's history and emphasis on durable construction, they will provide a good alternative for quality control or research and development.
Presto Instruments is a leading manufacturer and supplier of Melt Flow Index Deluxe. For the best price, contact us for a quote or call now!
A Melt Flow Index Tester is a measurement tool typically found in laboratories to check the flow rate of thermoplastics polymers when melted under specified temperature and pressure conditions.
The costs of Melt Flow Index testers range from INR 50,000 to INR 5,00,000 based on the level of automation, temperature range, and advanced options.
A Melt Flow Index Tester heats a polymer sample within a barrel to melt it, applies a specified load or weight for the molten polymer to flow through a narrow die, and measures the amount of polymer that is extruded in a set period of time to determine the Melt Flow Rate (MFR).
MFI testing is essential for quality assurance and performance evaluation. It is a method that helps the manufacturer to confirm that the flow properties for each polymer remain consistent, thus affecting the molding, extrusion and film production processes.
Melt Flow Indexers come in manual, digital, and computerized kinds, with the digital and computerized versions typically containing automated features. The main difference is the degree of automated processing, from simple manual processing to complex systems with software that graphs and collects real-time data, and automatic cutting features.
In the realm of plastics and polymer manufacturing, assessing the melt flow rate holds paramount importance. This metric essentially gauges how polymers behave when melted, quantified by the weight of polymer passing through an orifice within a specified time frame. To streamline this crucial testing process, we proudly introduce the MFI Tester NEO 2.0 – a cutting-edge laboratory instrument by Presto.
Read More
In the plastics and polymer industry, testing the melt flow rate of materials is crucial for manufacturers. This rate serves as a key measure of how polymers flow when melted, typically reported as the weight of polymer passing through an orifice within a specific time frame. To simplify melt flow testing for polymers, Presto introduces the MFI Tester NEO 2.0—an exceptional laboratory instrument.
Read More
The PRESTO Notch Cutter serves a crucial role in preparing Izod/Charpy samples according to ASTM D 256-10 and ISO 180 standards. This machine precisely creates notches in plastic sheets, facilitating subsequent testing with Izod Testers.
Read More
The Presto Tube burst Tester is designed ideally for the determination of the bursting strength of a variety of packing pouches to study the failure that occurs in them due to an internal pressure built in the pouch at a steadily increasing rate through a pneumatic pipe. The equipment is provided with an electro-pneumatic mechanism which is used for increasing the air pressure inside of the sample pouch at a specified rate.
Read More
The Presto Fill Height Gauge is a valuable laboratory instrument designed to enhance efficiency and precision in measuring container fill heights and volumes.
Read More
The Flammability Tester (UL94) is an advanced testing apparatus designed to perform the standard test for assessing the safety of flammability in plastic materials used in parts of devices and appliances.
Read More
Presto's Endurance Tester is a state-of-the-art machine designed to analyze the squeezing strength of bottle caps, providing vital insights into their durability and longevity. It serves various industries, including beverages and packaging, by assessing the endurance of squeeze-type bottle caps.
Read More
Presto's Hot Tack Tester is a highly efficient testing instrument designed for conducting hot tack tests and evaluating heat seal performance in laminated films, plastic films, and various packaging products.
Read More
The Presto Illuminated Inspection Magnifier is a reliable tool for manufacturers to test small components and parts using a magnifying glass. It features a convex lens to achieve a magnified image of the object under inspection.
Read More
The PRESTO IZOD/CHARPY IMPACT TESTER is purpose-built for evaluating the impact resistance of plastics. Operating on the pendulum method principle, this equipment provides a dependable means to assess how materials withstand sudden forces or impacts.
Read More
The Heat Sealer Prima is a reliable tool designed for sealing flexible packaging products and thermoplastic materials by applying pressure and heat at high temperatures.
Read More
The Presto Pneumatic Model Heat Sealer is a staple in the plastic industry, renowned for its versatility and reliability. Featuring adjustable temperature settings, this heat sealer is equipped with a digital display and operates on a microprocessor-based system.
Read More
The PRESTO Notch Cutter is designed for creating notches in Izod/Charpy samples in accordance with ASTM D 256-10 and ISO 180 standards.
Read More
The Polariscope Strain Viewer, a computerized tool, is used to perform quality and transparency tests by identifying and evaluating residual strain in PET preforms, bottles, and similar products.
Read More
The computerized Polariscope Strain Viewer is employed for conducting quality and transparency tests, specifically targeting the identification and evaluation of residual strain in PET preforms, bottles, and similar products.
Read More
Presto's Glass & Plastic Polariscope - Strain Viewer stands out as the premier and highly efficient testing device for measuring residual stresses and strains introduced during the manufacturing process of transparent glass
Read More
Presto introduces the Polariscope Strain Viewer-NXG, a cutting-edge lab testing instrument tailored to detect defects like cracks and strains in PET & preform products,
Read More
The Preform Eccentricity Tester is a trusted instrument that manufacturers use for the measurement of the eccentricity of PET preforms.
Read More
Tensile strength is the stress level at which a material breaks or undergoes permanent deformation. The PRESTO Digital Tensile Tester is a cutting-edge,
Read More
The Presto Tensile Testing Machine operates on the Constant Rate of Traverse (CRT) principle. In this testing process, the sample is clamped between two jaws: the upper jaw remains stationary, while the lower jaw moves at a fixed speed controlled by a motor.
Read More
If you are looking for a reliable Air Bulge Tester PABT-300 in Faridabad, Presto is your one-stop solution. Our instrument ensures accurate testing of films, foils, and paper to help you achieve superior packaging performance and compliance with international standards.
Read More
The Flammability Tester for Insulated Wires and Cables is a precision-engineered instrument designed to evaluate the fire resistance and self-extinguishing properties of wire and cable insulation materials. It helps determine how materials behave when exposed to flames—whether they ignite, burn, or extinguish themselves. Built with a durable stainless-steel enclosure and heat-resistant viewing window, this tester ensures accurate and safe testing as per IS/ISO 6722 and ISO 19642 standards. Ideal for electrical, automotive, and cable manufacturers, it provides reliable data to enhance product safety, performance, and compliance with international fire safety regulations.
Read More
The Melt Flow Index (MFR) Model is a high-precision testing instrument used to measure the melt flow rate of thermoplastic polymers under controlled temperature and load conditions. It determines the ease of flow of melted plastic material, providing essential data on its viscosity, molecular weight, and processability. Complying with ASTM D1238 and ISO 1133 standards, this model is ideal for quality control, material research, and production consistency in the plastics industry. Its accurate temperature control, durable design, and user-friendly interface make it a reliable choice for laboratories and manufacturing units alike.
Read More
A Tensile Testing Machine Digital is a precision testing instrument designed to measure the tensile strength, elongation, and other mechanical properties of various materials such as metals, polymers, rubber, textiles, and components.
Read More
The Heat Deformation Tester (HDT/VSP Tester) is an advanced testing instrument designed to determine the Heat Deflection Temperature (HDT) and Vicat Softening Point (VSP) of plastics and polymers. It accurately measures a material’s ability to withstand deformation under load at elevated temperatures.
Read More
Read More
The Presto Izod / Charpy Impact Tester (Computerized Model IZC-222C) is a microprocessor-based impact testing instrument designed to measure the impact resistance of plastics and other materials under a sudden force.
Read More
The Carbon Black Dispersion Test Apparatus is a precision testing instrument used to evaluate the uniform dispersion of carbon black in plastic and polymer materials. This test ensures consistent color, strength, and performance of the final product. Equipped with a controlled heating system and high-magnification microscope, it provides accurate visual analysis as per IS 4984 and IS 4985 standards, making it ideal for quality control in plastic manufacturing industries.
Read More
The Carbon Black Content Apparatus is a precision testing instrument designed to determine the carbon black percentage in polyethylene and other plastic materials. The instrument measures the carbon black content by heating a specimen under a controlled nitrogen atmosphere and comparing the weight before and after combustion. This test helps evaluate the quality and durability of plastic materials, as carbon black acts as a UV stabilizer and improves the material’s resistance to degradation. The Presto Carbon Black Content Apparatus is manufactured as per ASTM D1603-14, IS 4984, and IS 2530 standards, ensuring reliable and accurate testing performance.
Read More
The Digital Specific Gravity Balance is a precision instrument used to measure the density or specific gravity of rubber, plastic, and other materials. It works on Archimedes’ principle and provides quick, accurate digital results. Ideal for quality control and lab testing, it features simple operation and a clear digital display.
Read More
The Presto Muffle Furnace HMI - PRIMA Series is a reliable laboratory furnace used to measure ash content and analyze material properties. With a user-friendly touch screen interface, it allows precise temperature control and automatic heating. Suitable for industries like metal, agriculture, medical research, rubber, and wool.
Read More
The Flammability Tester (IS 15061) checks how easily materials, especially those used in vehicle interiors, catch fire, burn, or melt. It ensures safety by measuring ignition, burning rate, and flame spread.
Read More
At Presto, we take pride in being Global manufacturers of Laboratory Testing Instruments for different industries.