529 from Aremco Products, Inc. is an advanced, single part, optically clear silicone coating for use in applications to 600F. Throughout this temperature range, the material is optically stable, non-crazing and impermeable to moisture. It is also resistant to a wide range of chemicals and provides a high dielectric strength of 350 volts/mil. Aremco-Seal 529 is ideal for sealing microelectronic substrates, printed circuit boards, electrical connectors and pyrolitically deposited films. It is also suitable for sealing ceramic-filled or ceramic-coated cartridge heaters and high power resistors. The material is highly effective at stabilizing the electrical resistance values against charges induced by atmospheric conditions or subsequent encapsulation.
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