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About Conformal Coatings
Conformal coatings encapsulate circuit boards and their electronic components in order to prevent the ingress of moisture, fungus, dust and other environmental contaminants. There are several basic types of conformal coatings. Electrically conductive products provide low resistivity and are often used to prevent electrostatic discharge (ESD), electromagnetic interference (EMI), and radio frequency interference (RFI). They are also used in thick film metallization and to provide electrical interconnections at both the device and circuit board level. Thermally conductive conformal coatings are applied between a heat-generating electrical device and a heat sink in order to improve heat dissipation. They form a thermally conductive layer on the substrate, either between components or within a finished product.
Conformal coatings use many different chemical systems and filler materials. Some chemical systems contain acrylics, elastomers, natural or synthetic rubbers, epoxy resins, water-based resins, silicone compounds, or volatile organic compounds (VOCs). Others contain bismaleimide (BMI) resins, phenolics, or formaldehyde resins. Commonly used chemical systems also include polybutadiene, polyester, vinyl ester, polypropylene (PP), polysulphide, and polyurethane (PUR). In terms of filler materials, some conformal coatings contain aramid fiber, chopped fiber, carbon powder, or graphite powder. Other products contain glass fillers, metal fillers, or inorganic compounds. Unfilled conformal coatings are also available. Typically, these raw materials are used as starting components in the production of finished coatings.
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Engineering Web: Conformal Coatings
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K.R. Anderson, Inc. - Conformal Coatings Browsing: Conformal Coatings Manufacturers Conformal Coatings Dispensing Electrically Conductive See K.R. Anderson, Inc. Profile & Catalog |
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What are Conformal Coatings? - Dow Corning Home > Technical Library > Electronics > Conformal Coatings Conformal Coatings Die Attach Adhesives See Dow Corning Corporation Information |
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Conformal Coating - Dymax - Information - Literature -... Dow Corning Conformal Coatings Dymax Conformal Coatings Dymax Conformal Coatings Dymax Conformal Coatings See Ellsworth Adhesives Profile & Catalog |
Part Numbers for Conformal Coatings
| Part # | Distributor | Manufacturer | Product Category | Description |
|---|---|---|---|---|
| LIT-CONFORMAL-COATING | netCOMPONENTS | Not Provided | Not Provided | Not Provided |
| LIT-CONFORMAL-COATING | netCOMPONENTS | Not Provided | Not Provided | Not Provided |
| LIT-CONFORMAL-COATING | Mectronic | TECH SPRAY | Not Provided | TECH SPRAY |
| 140CPU43412AC | PLC Radwell | MODICON | Not Provided | QUANTUM 434 PLC CONTROLLER-CONFORMAL COATING |
| 2510-N | Newark | TECHSPRAY | Cleaners | Conformal Coating Remover; Dispensing Type:Pen; Volume:10ml; Trade Name, Chemical:Conformal Coating Remover RoHS Compliant: Yes |
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