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Cabelec compounds: What are the typical applications of this product?


Typical applications are those that require freedom from the hazard of electrostatic discharge. Examples of such uses are products used for handling of powders and dangerous substances, as well as those items related to the packaging and handling of electronics.
CABELEC Masterbatches: do they exist?


No. The level of carbon black needed to achieve the requested conductivity is too important to prepare a highly loaded masterbatch and to ensure it's homogeneous dilution into a polymer.
Characterization of conductive compounds


Conductive compounds are characterised by the electrical conductivity. In practice, however, the electrical resisitivity is measured. The electrical resistivity is the opposite of the electrical conductivity.
Copper wire: is it possible to replace a copper wire by a wire made with a CABELEC conductive compound ?


If the level of resistivity of the copper (1.7 E-6 ohm.cm) is needed for the application, no CABELEC compound can fulfil the requirements.
Dilution: what is the recommended dilution of CABELEC conductive compounds?


We recommend using the CABELEC compound at 100%. Any dilution will reduce the carbon black content in the material and reduce the electrical conductivity of the final item. Please take into account, also, that the conductivity doesn’t decrease linearly with the dilution rate. The relationship of conductivity to carbon black content isn’t linear, but given by a percolation curve.
Electrical conductivity: Can an item made of Cabelec lose its electrical conductivity over time?


No, the electrical conductivity imparted by the carbon black is permanent and is an integral part of the performance of the material. Outside influences, such as humidity, are not required to achieve the electrical performance.<BR><BR>The parts made of Cabelec do thus not lose their conductivity in normal conditions of usage.
ESD: can the risk of ESD be reduced and how?


You can reduce ESD by allowing the static charge to be conducted harmlessly to earth.<BR><BR>Most natural thermoplastic resins are normally electric insulators. Carefully designed formulations of conductive carbon blacks and the same resins can change their electrical characteristics from insulating to conductive.<BR><BR>Cabot has developed a range of compounds that are electrically conductive and therefore greatly reduce the risk of a catastrophic discharge of electrostatic energy.<BR><BR>The conductive properties of the CABELEC compounds are permanent. They are an integral part of the performance of the material. Outside influences such as humidity are not required to achieve the electrical performance.<BR><BR>These compounds have been designed for use on conventional plastic processing equipment. The CABELEC range of electrically conductive compounds meets the needs of many industries where permanent reduction of electrostatic hazards is required.
How do I contact Customer Service for CABELEC Conductive Compounds in the Asia-Pacific region?


Contact our offices in Hong Kong: Cabot Plastics Hong Kong Ltd, 18 Dai Kwai Street, Tai Po Industrial Estate/Tai Po (NT). Tel: +852 2666 2666; fax: +852 2666 0807
Processing: can CABELEC be processed on conventional plastic processing equipment?


Yes, the best results are however achieved with equipment of low shear. We recommend avoiding high shear mixing elements, restrictions in the barrel, very small injection gates, etc.
Processing: do processing conditions influence the electrical resistivity of the final CABELEC product?


Yes, the processing conditions can alter the electrical resistivity of the part. In order to achieve the highest conductivity, low shear conditions should be applied during processing.