3M Scotchcast Electrical Resin 5136N is a 1 part solvent based, electrical resin primer. This primer is formulated to improve adhesion of low surface energy substrates for 3M Scotchcast epoxy and polyurethane resins.3M Scotchcast Electrical Resin Primer 5136N evaporates instantly to provide efficient throughput. RoHS 2011/65/EU Compliant.