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® 397 Shadowcure™ Acrylic/urethane Heat Cure CoatingDesigned to replace historic solvent based heat cure coatings in high reliability applications. No solvents. Low VOC. Cure Type: Heat or Catalytic MIL-I-46058C Approved; UL-746C Approved; IPC-CC-830A Approved; Bellcore TR-NWT-000078 Pending Approval.