Compounds feature controlled resistance levels.
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Press Release Summary:
Electrically conductive PRE-ELEC® CR products are fully compounded and can be molded without concern for hot spots. They allow users to specify electrical resistivity range, volume or surface, required for specific applications and provide alternative to inherently dissipative polymers for providing static dissipation. Manufactured with precision compounding techniques, products can be made with volume resistance from less than 1 ohm-cm to 1 x 1011 ohm-cm.
Original Press Release:
Premix Thermoplastics Introduces Compounds with Controlled Resistance Levels
Milton, WI  (April 13, 2005) Premix Thermoplastics, Inc., announces the development of a new line of electrically conductive thermoplastic compounds with "controlled resistance" levels. Called PRE-ELEC® CR, these new compounds allow users to specify the electrical resistivity range (either volume or surface) required for a particular application.
PRE-ELEC CR products are fully compounded and can be molded without concern for "hot spots". For many applications, these new compounds offer a cost-effective alternative to the more costly inherently dissipative polymers (IDPs) for providing static dissipation.
Most compounds on the market follow the Electronics Industries Association's (EIA) 541 Standard for resistivity yet many applications require much tighter specifications. Premix PRE-ELEC CR compounds can be tailored to the applications requirements i.e. when volume resistance is important, volume resistivity is specified, and when surface resistance is important, surface resistivity is specified. PRE-ELEC compounds have carefully controlled conductive additive levels manufactured with precision compounding techniques, which means they can be electrically controlled to give the proper resistivity value for the application.
While the most common volume resistance range is 1 x 10e6 to 1 x 10e9 ohm-cm, Premix can manufacture virtually any resistivity range from <1 ohm-cm to 1 x 10e11 ohm-cm in most polymers using carbon black. In many lower temperature polymers, the electrical resistivity ranges can be controlled with inherently conductive polymers (ICPs) alloys within 1 x 10e3 to 1 x 10e11 ohm/square, and with inherently dissipative polymers (IDPs) alloys from 1 x 10e6 to 1 x 10e12 ohm/square.
Premix Thermoplastics, Inc. is a subsidiary of Premix Oy, a leading manufacturer of electrically conductive compounds in Europe. Premix compounds provide EMI/RFI shielding, electrically conductive, static dissipative and antistatic properties for a broad range of applications.
For more information on PRE-ELEC CR compounds, please contact Premix at 1-888-284-3304, e-mail sales@premixthermoplastics.com or visit the website at www.premix.fi.
