Melt Flow Tester - Melt Flow Indexer - MFI - Extrusion Plastometer Parent Product Plastics Pipe / PVC Testing Equipment Product Categories Plastic Testing Equipment Plastics PVC / Pipe Testing Equipment Standards ASTM D1238 ISO 1133 View PDF Melt Flow Tester - Melt Flow Indexer - MFI - Extrusion PlastometerQualiFi™ series is a precision Melt Flow Indexer or well known as extrusion plastometer line designed for laboratories and quality control environments to determine the melt mass-flow rate (MFR) and melt volume-flow rate (MVR) of thermoplastic resins. Operating on the extrusion plastometer principle defined by ISO 1133 and ASTM D1238, these instruments measure the flow properties of polymers by forcing molten material through a standard die under a defined dead-weight load.Capable of testing across a wide temperature control range of 50-450°C, a QualiFi™ Melt Flow Index Tester can evaluate everything from commodity plastics to high-temperature engineering resins. The series provides measurement capabilities across a range of 0.1-100 g/10min for MFR and an extended range of 0.01-3000 cm³/10min for MVR, delivering highly accurate data on material viscosity and flowability.ApplicationA reliable Melt Flow Tester is critical for characterizing material performance across various B2B laboratory and industrial environments. Key applications for these instruments include:Plastics Raw Material Production: Conducting incoming and outgoing quality control testing of polyolefin, specialty resin batches, and engineering plastics against established MFR/MVR specification limits.Petrochemical Industry: Performing product QualiFi™ cation and process monitoring of polymer melts sourced from compounding lines and polymerization reactors.Polymer Research & Development: Screening new polymer formulations, additive systems, and blends for MFR, MVR, and melt density during material development.Plastics Product Manufacturing: Verifying production lots and conducting incoming material inspections for extruded, injection-molded, and blow-molded plastic components.Pharmaceutical & Medical Grade Testing: Characterizing the flow properties of medical-grade thermoplastics for material specification compliance and regulatory documentation.Commodity Inspection & Certification: Executing regulatory compliance verification and third-party laboratory testing against national and international polymer standards.Product Table ComparisonFeatureQualiFi™ 2000 SeriesQualiFi™ 5000QualiFi™ 6000SAQualiFi™ 6000ABest ForEntry-level / Low-cost manual testingStandard Labs / Compact automationHigh-Frequency QC / Operator safetyFlagship R&D / Max throughputPrimary MethodMFR (2000A) / MVR (2000AB)MFR & MVR (A/B)MFR & MVR (A/B)MFR & MVR (A/B)Loading ModeManualAutomatic Weight LiftingAuto Lifting + Pneumatic CompactionFull Software-Controlled Variable LoadTemp. Range100 - 450 °C50 - 450 °C50 - 450 °C50 - 450 °CForm FactorBenchtopCompact BenchtopFloor-standingFloor-standingCleaningManualManualPneumatic (Air-assisted)Pneumatic (Air-assisted)Timer Res.0.01 s0.001 s0.001 s0.0005 sWhy Choose QualiFi™ for your Melt Flow Indexer?World-Class Measurement Accuracy: Every QualiFi™ Melt Flow Index Tester is manufactured with core components (oven, die, and piston) made from corrosion-resistant, low-thermal-expansion metal alloys that fully satisfy ISO 1133 hardness and dimensional requirements.International Certification & Proficiency: The entire series delivers reliable performance backed by CE certification (EN 61010-1, EN 61326-1) and has achieved consecutive satisfactory results in CNAS interlaboratory proficiency testing, maintaining Z-scores between -0.07 and +0.11.Advanced Thermal Management: An intelligent dual PID temperature control algorithm ensures fast, overshoot-free heating. The system maintains a temperature gradient of less than ±0.1°C along the barrel wall and achieves a rapid post-loading recovery time of under 2 minutes.Ergonomic and Durable Design: The instruments feature an innovative 15° body tilt and rotating upper assembly for comfortable loading, observation, and cleaning. The all-aluminum exterior utilizes advanced surface treatment technology to provide strong resistance to salt spray in industrial environments.Seamless Data Management: Streamline your workflow with 8 customizable test plans, automatic effective test interval identification, and built-in USB storage capable of saving 5,000 groups of test results. The included DMS data management software enables easy export and formatted report generation for all your melt flow index data. 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How K-FLEX USA Secured Quality with Our Melt Flow Indexer Picture the intensity of a massive production floor. There is heat, there is pressure, and there is the constant hum of machinery churning out miles of black, flexible foam. This is the daily reality for K-FLEX USA, a giant in the business of thermal and acoustic insulation. Their products cover pipes and ducts in buildings all over the planet. From our vantage point, we see the pressure their engineers face every day. When you are manufacturing
Qualitest Introduces Galaxy QualiFi-6000G Auto for Fully Automated MFI Testing Qualitest is proud to announce the launch of the Galaxy QualiFi-6000G Auto, a breakthrough in melt flow index (MFI) testing designed for polymer and plastics laboratories seeking maximum precision, safety, and automation. As the most sophisticated model in the Galaxy series, the 6000-Auto delivers fully automated MFR and MVR testing with minimal user input. Building on the capabilities of its predecessor, the new 6000G Auto brings a comprehensive
Melt Flow Tester: Why This Instrument Is Crucial in the Plastic Industry Have you ever wondered how plastic products achieve their precise dimensions and consistent quality, despite the complex nature of the manufacturing process? The answer lies in a critical instrument known as the Melt Flow Tester, also know the Melt Flow Indexer or MFI Tester. The Melt Flow Index Tester serves as a vital tool in evaluating the melt flow rate (MFR) or melt volume-flow rate (MVR) of plastic materials under controlled conditions of
