Conformal CoatingsConformal coatings are thin dielectric coatings that extend the longevity of circuit boards by protecting components and traces from corrosion, shorts, and mechanical damage. Loctite offers both acrylic/urethane and silicone conformal coatings which are cured by UV, heat, or a two-part cure mechanism.Loctite® 3900 Acrylic Aerosol CoatingA coating designed for small production runs. Aerosol spray for fast cure. No solvents. Low VOC. Cure Type: Air IPC-CC-830A Pending Approval.