This invention discloses a
conformal coating, its preparation method, and its application, belonging to the field of coatings. The
conformal coating comprises the following components by weight percentage: 45%-65% base resin, 25%-50%
reactive diluent, 2%-6% initiator, 7%-14% dehydrating agent, and 0%-0.8% additives; wherein the base resin contains NCO groups, and the dehydrating agent includes both chemical and physical dehydrating agents. By ensuring the synergistic effect of the various components in the
conformal coating under specific proportions, not only are excellent curing properties guaranteed, resulting in excellent mechanical properties of the
coating film, but the conformal
coating also has a longer
shelf life and service life.