Types,conductive,paint,Specifi business, insurance Types of conductive paint
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Specificallyspeaking, is a shielding body surrounded by the source of interference of thecomponent parts, circuit assembly, cable, or the entire system, to prevent theoutward diffusion of interfering electromagnetic fields; enclosed shieldingbody the reception circuit, devices or systems, to prevent them by outsiderstheimpact of the electromagnetic field. Conductive paint is using a conductive metalpowder added in the raw material of a specific resin, made to paint coating be able to spray.The doped conductive coating based on thepolymer to join the conductive substance, use the conductive effect of theconductive substance to achieve the coating conductivity at 10-12S / m or more.It not only has a conductive function, but also has many excellent propertiesof the polymer, can adjust in a wide range depending on the electrical andmechanical properties of the coating, and lower-cost, simple, and thus morewidely used. The doped conductive coating composition by the polymer, aconductive filler, solvent, and additives. Commonly used in metal-based filler,a carbon-based filler, a metal oxide-based filler, composite fillers, new nanoconductive filler.The conductive properties of themetal-based conductive coating depends on the kind of the metal filler, thetype, quantity, shape of the filler of the quantity, metal fibers and metalpowder. Metal-based fillers have silver powder, nickel powder, and copperpowder, etc., wherein the silver powder has a good chemical stability andexcellent anti-corrosion properties, and high conductivity, is an electricallyconductive filler has been developed and applied earlier. However, the silverprice is relatively expensive, more used in the military field, fewer civilianapplications. Nickel powder chemicalstability is good, with effective anti-electromagnetic interferenceperformance, the price is relatively modest, widely used. The copper powderhaving a low price, with silver similar conductive, its drawback is that thecopper is easily oxidized, conductivity is not stable, but through specialsurface treatment, it is possible to obtain the stability of a copper-basedconductive coating, with copper powder oxidation technologies improve,copper-based conductive coatings is bound to be a further concern.Nanotube conductive coatings, the nanotubeshaving a great aspect ratio and excellent electrical properties, it is added tothe polymer as a reinforcing phase, can greatly improve the mechanicalproperties of the polymer, optoelectronic properties, thus put it to use in thepreparation of functional nanotubes / polymer conductive coating applicationsin many fields. Nanotube conductive material and the film-forming material mutualpenetration with almost the same magnitude of the particle diameter, noapparent interface with each other, so the anticorrosive performance of thenanotube conductive coating is better than the general anti-corrosion coatingproperties.Conductive coating of metal oxide, metaloxide due to its excellent electrical properties, light in color, better tofill the gap between the conductive metal pigment anti-corrosion defects andpoor carbon-based the conductive pigments decorative performance. Compositefillers are glass beads, copper powder and mica powder coated with silverpowder and carbon black coated nickel powder and so on. Metal oxide conductivepigment-doped tin oxide, zinc oxide, antimony dioxide, etc., which SnO2 as arepresentative, be value for the density is small, good stability in the air,the light color can prepare transparent coating, etc. Source:http://www.mhcmp.com Article Tags: Conductive Paint, Conductive Coating, Conductive Filler, Silver Powder, Nickel Powder, Copper Powder, Nanotube Conductive, Metal Oxide
Types,conductive,paint,Specifi