materials testing | Equipment
Thermo Scientific’s new Process 11 lab compounder is said to offer full scalability
for a wider range of customers through focused applications, and increased breadth of accessories.” The MTS Exceed product line complements the MTS
Criterion products in the static or monotonic testing area. These systems are typically used in high volume testing of various materials, including composites, metals, plastics and more.
Lab scale compounder from Thermo Scientific
For new plastic compound development, laboratory extruders must be able to mimic production processes on a small scale, says Thermo Scientific. New and expensive materials, in particular, demand small scale processing that minimises the waste of precious materials. The company’s new Process 11 parallel co-rotating twin-screw
extruder is designed to meet these demands. The benchtop Process 11 uses a minimal amount of sample material (throughput of 20 g/h to 2.5 kg/h) and features a user-friendly touchscreen with integrated feeder control. The machine’s compact monocoque design is said to make its footprint four to five times smaller than competing twin-screw extruders. It also enables easy transport and fume hood applications. A range of accessories are available for the unit, including a water
cooled sheet take-off that enables sheet and film extrusion in laboratory scale and complements the 30mm adjustable thickness sheet die. Flexible in design, the sheet take-off can be operated in a two or three roll mode for smooth sheet and ribbon take-off and calibrated sheet thickness. The wind off unit offers speed compensation for increasing roll diameter. Screw elements, barrel design and process parameters obtained with
the Process 11 are full scalable to larger Thermo Scientific standalone compounding systems, according to the company.
www.thermofisher.com
This optional take-off unit allows the Process 11 to be used for film and sheet material development
52 COMPOUNDING WORLD | September 2016
Vicat determination Earlier this year Instron introduced a new generation of HDT and Vicat testing systems, which it says are designed to significantly reduce workload and increase efficiency in the testing lab. The Instron HV Series includes three different systems – the entirely manually operated HV3S with two (optionally three) testing stations, plus two systems with a larger bath size and a higher level of automation (HV6M and HV6X) for up to six testing stations. All use advanced electronics that automatically zero the position of the LVDT measuring sensors before starting a test, reducing test time and human errors. Instron says that, with its manual lifting station and
weight application, together with compact dimensions, the HV3S is well suited to laboratories that perform low volumes of HDT or Vicat tests and for busy laboratories with a lot of test equipment. Where HDT or Vicat testing is part of the daily routine, the HV6M features manual weights application on up to six stations with a motor- ised lifting mechanism designed to significantly reduce operator effort. Where time is particularly crucial, the HV6X system
offers motorisation of both the lifting station and weight application on all of its testing stations (up to six). An interlocked cover shield restricts access during test execution, protecting the user from moving parts. An integrated fume filtering and extraction system is optional. A user-friendly touch screen, which is standard for all three systems, provides a simple and clean look and allows for operation without a computer. “The intuitive workflow offers seamless interaction with the system for rapid test setup and data export,” the company says. All three systems use silicone oil as the heat transfer medium to cover a temperature range from 20°C to 300°C with a resolution of 0.1°C. A further option is the Instron Bluehill HV Software
for running tests, editing methods, analysing results and configuring the system. It locks the test methods, preventing inadvertent changes, to ensure repeatability and compliance with ISO and ASTM standards over multiple shifts and numerous operators. It also allows the creation of specific user profiles on the basis of the operator’s level of expertise. Advances from Brookfield Ametek in materials
www.compoundingworld.com
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