SEALED PRINTED BOARD AND PREPARING METHOD FOR SEALING LAYER THEREOF

摘要

PROBLEM TO BE SOLVED: To provide a printed board which has moisture resistance and insulating property and maintains moth repellency and rat guarding property for a long period. SOLUTION: This is a sealed printed board constituted by coating the outer periphery of a printed board main body 11 with a moisture-proof and insulating sealing layer 12, which is made of polyurethane elastomer or silicone rubber containing a moth repellent and/or a rat guarding agent.