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Measure foam rise & cure with one instrument. (Keeping Up with Urethanes).


A sensor that combines dielectric dielectric (dī'ĭlĕk`trĭk), material that does not conduct electricity readily, i.e., an insulator (see insulation). A good dielectric should also have other properties: It must resist breakdown under high voltages; it should not  cure monitoring of PUR foams with traditional foam-rise test methods is the newest addition to the Fomat Foam Qualification System from Germany's Format Messtechnik GmbH. The system is available here from Electrotech Industrial, Inc., Sagamore Hills Sagamore Hills can refer to:
  • Sagamore Hill, a home of U.S. President Theodore Roosevelt
  • Sagamore Hills Township, Summit County, Ohio
, Ohio.

Standard foam-testing methods measure the foam's rise height, pressure, and temperature, but not its state of cure directly. Dielectric polarization measurement gives insight into the foam curing process. The new Curing Monitor Device (CMD CMD cerebromacular degeneration. ) consists of comb-shaped electrodes on a circuit board, forming a plane capacitor. The CMD sensor is mounted on the base plate of the Fomat foam-pressure-measurement (FPM FPM - Fast Page Mode Dynamic Random Access Memory ) device. As the CMD is completely covered by the liquid mixture, polarization data are obtained from the very beginning of the foaming process. Electrotech Industrial: (330) 468-3385
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No portion of this article can be reproduced without the express written permission from the copyright holder.
Copyright 2002, Gale Group. All rights reserved. Gale Group is a Thomson Corporation Company.

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Title Annotation:Format Messtechnik GmbH's sensor
Comment:Measure foam rise & cure with one instrument. (Keeping Up with Urethanes).(Format Messtechnik GmbH's sensor)
Publication:Plastics Technology
Article Type:Brief Article
Geographic Code:4EUGE
Date:Apr 1, 2002
Words:129
Previous Article:Resorcinol diols make softer TDI elastomers. (Keeping Up with Urethanes).(advertisement)
Next Article:PVC decking is both foamed & glass-filled. (Keeping Up with Compounding).(advertisement)
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