Controllo Qualità Monovite – Bivite

Consistent quality is basic to the industry. Consequently, simplified quality control procedures that can be done within an increasingly shorter period of time are highly demanded by innovative and successful companies.
The Thermo Scientific HAAKE PolyLab QC is a new measuring mixer & extruder system that meets today’s – and – future – quality control (QC) needs. The modular torque rheometer can be connected to an interchangeable mixer, single-screw extruder, or conical twin-screw extruder. Combining proven technology and state-of-the-art hard-ware and software with an easy-to-use interface – that’s the future of QC, today.

More IQ for your QC
Intelligent Measuring Mixer and Extruder System Simplifies Your Quality Control

The HAAKE PolyLab QC is offered as a bench and floor model that best fits into a customer’s lab environment. The optional rack (floor model) allows moving the instrument away or even storing it if needed. Benefit from flexibility in footprint and weight!

Based on the system’s backwards compatibility, even existing measuring mixers and extruders can be connected. Most of the connections are almost at the same place as they used to be and can be connected either directly or with an optional adapter available from our support team. Protect your investments, save time and be familiar with the system when using it the first time!

Connected devices like mixers or extruders are automatically recognized through the plug & play software concept. Individual limits of the measuring systems, such as torque, speed and temperature, are identified by the software and set as alarm values to minimize errors. Simplify trials and increase precision and standardization of measurements in QC!

Experience the intelligence inside the base unit when standard CAN open bus components such as pressure or temperature sensors are connected. These components are recognized and listed in the software display. Sensors or controllers without CAN Open bus can be hooked up using the optional Bi-CAN converter. Upgrade analog accessories to today’s level in material characterization – now!

Safety regulations on mixers and extruders are becoming more stringent to protect users. The new HAAKE PolyLab QC devices meet the latest safety regulations. Existing accessories may need to be upgraded if the same protection level is desired. Protect your QC staff with the latest safety standards!

More IQ for your QC – benefit from the difference!


  • Modular torque rheometer with interchangeable mixer, single-screw extruder, conical twin-screw extruder
  • Bench or floor model
  • Control via HAAKE PolySoft software

Backwards Compatibility

  • Hardware compatible with old mixers, extruders
  • Existing accessories can still be used
  • Data compatibility (importing of old data)


  • Torque range: 0 – 300Nm
  • Speed range: 0 – 200 rpm
  • Temperature control zones: 5
  • Temperature reading channels: 4


  • CAN open control communication with temperature, motor controller
  • CAN open data communication for pressure and remote signals
  • USB interface to host computer (LAN as option)


Learn with any mixture
Intelligent measuring mixers simplify your quality control

A typical mixer test is run at a defined rotor speed (shear rate). The material’s response to the shear is recorded as torque and displayed versus time.
As a material’s properties are very sensitive to temperature, the mixer chamber is separated into different sections. These are individually temperature-controlled by the HAAKE PolyLab QC. Optimum temperature control quality can be achieved by an automated recognition of the connected mixer.
Although the temperature of the mixing chamber is constantly controlled, the material’s melt temperature during a test may rise due to the shear introduced. The melt temperature is also recorded during the test by a separate thermocouple. The recorded “Rheogram” (torque and melt temperature vs. time at constant speed) is characteristic for different material types and blends. It can be used as a fingerprint in quality control for outgoing and incoming product inspections. As changes in torque are related to structural changes in the material, a Rheogram can be used to investigate and verify reactions of different additive types or concentrations on the sample’s melting behavior.

Typical Investigations

  • Testing the melting and degradation behavior of polymer melts
  • Quantifying viscosity when adding nano particles or other additives
  • Testing gelation- and plastification behavior of PVC dry-blends
  • Measuring the flow- and curing behavior of thermosetting plastics
  • Characterizing the influence of different additives such as carbon black, fillers lubricants, accelerators and sulfur for rubber mixtures
  • Recording the masticating and vulcanizing behavior of elastomers
  • Measuring oil absorption of carbon black
  • Quantifying the absorption of DOP for PVC dry-blends
  • Measuring the stable torque in regard to individual and combined influences of fillers and additives such as stabilizers, lubricants and color pigments
  • Testing high performance plastics to check processability
  • Performing electric conductivity measurements for rubber mixtures.

Due to the backwards compatibility of the mechanical and electrical interfaces of the HAAKE PolyLab QC, existing mixing equipment can be used with a state-of-the-art torque rheometer that is equipped with reliable digital controls and operated using the modern, user-friendly Thermo Scientific HAAKE PolySoft software package.


Steady quality is the reward

Powerful extruders continuously control your quality.

Single-screw extruder

The most common methods in processing polymers are screw plastification and injection molding. For testing quality and processability of those materials, the single-screw laboratory extruder 19/25 QC-B is a proven tool. With over 35 years of expertise, we’ve developed a wide variety of different screw designs that are guaranteed to provide the best performance. Special solutions such as chemical or wear resistance are also available to extrude harsh materials. To shape a polymer for further processes and tests, different dies can be adapted to the extruder. Rod dies and water bath for strand extrusion, sheet and ribbon dies in various dimensions to produce bands or cast films, and blown film dies and take off tower complete the testing equip-ment. Besides the standardized filter test (EN 13900-5), comprehensive rheological studies can be conducted.


  • Testing of the plasticizing behaviour
  • Testing the performance of additives and fillers
  • Measuring of the melt temperature and pressure along the barrel to optimize process parameters
  • Provide a homogeneous and constant flow melt
  • Production of strands, sheets, cast and blown films
  • Extrusion of ceramics and feed stock
  • Melt rheology

Conical twin-screw extruder

For continuous compounding and plasticising, the Thermo Scientific HAAKE CTW 100 QC is the ideal extruder in the HAAKE PolyLab QC system. This is a counter rotating conical twin-screw compounder, with intermeshing screws, that will give well-defined residence time for faultless production of process-critical polymers.

The gentle but intensive dispersing capabilities are ideal to mix additives and pigments. Dies and downstream ancillaries are compatible with the 19/25 QC-D single-screw extruder.


  • Extrusion of thermally critical materials such as PVC
  • Compounding of fillers and reinforcing materials
  • Blending of polymers
  • Pilot plant production of master batches
  • Continuous mixing of recycling materials
  • Mixing of nano clays and carbons
  • Discharge for further process states

Compatibility of existing extruders

Single-screw extruders and conical twin-screw extruders that are operated with the driving unit HAAKE Rheocord 90 or 9000, HAAKE Rheodrive 5000 or System 40 are compatible to the HAAKE PolyLab QC. Laboratory extruders from other manufacturers can be adapted, too.



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