Conductive Paints are widely used throughout the computer industry. Their use in this sector includes shielding electronic devices such as PC’s, laptops, tablets, disk drives, VDUs, printers, keyboards, composite patch channels, batteries, notebooks and Ethernet switches.
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A conductive coating like a nickel paint can bond easily in general to a material like polycarbonate if it is solvent based. If it is water based then it will need a solvent based primer coating before application. This defeats the purpose of a water based conductive paint so better to stick to solvent based shielding coatings.
Click Shielding and Conductive Paint FAQs to find out further information on questions like What is EMI/RFI Shielding? , Where is EMI / RFI Shielding Paint used? and Why should you use EMI/RFI Shielding Coatings?
Follow proper techniques as outlined by the gun manufacture. For best results, keep the gun-to-surface distance constant. Move the gun in a straight line along the surface, avoiding arcing motions. Use spray-and-release strokes to avoid excess paint in one spot. If possible, start and end each stroke off the surface.
To apply the required thickness
1. At the recommended distance, spray a thin and even coat onto the surface. Overlap the previous stroke by 50% to avoid gaps in coverage.
2. Before spraying another coat, wait 2 to 5 minutes (depending on the product specifications). The delay avoids trapping solvent between coats.
3. Apply additional coats until the desired thickness is achieved.
4. Let dry for 5 minutes (flash off time) at room temperature.
If you would like to know more about RFI Shielding Paints or other products and services offered and supported by SCH Technologies, please do not hesitate to contact us
Telephone: +44 1226 249019
RFI EMI Shielding Coating Fundamental FAQ’s for the full range of information
EMI / RFI Shielding Coating Application Guide for information on application
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What does the surface resistivity value and method actually mean for RFI shielding coatings and is this the best method to assess the coating?
The “Ohm per square” unit is for sheet resistivity. It refers to the resistance of a film coating measured by electrodes placed at the surface of the coating. This is an industry standard method of presenting data for Shielding Paints. However, a better measurement is volume resistivity and customer trials.
If you would like to know more about the best method for assessment of RFI / EMI coatings or other products and services offered and supported by SCH Technologies, please do not hesitate to contact us via
Telephone: +44 1226 249019
Click What does the surface resistivity value and method actually mean for RFI shielding coatings for a full explanation of the topic.
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