TWO-PACK-TYPE PRIMER, PRIMER COATING FILM, LAMINATED STAIN-PROOF COATING FILM, AND METHOD FOR IMPARTING STAIN-PROOF PROPERTY TO BASE

摘要

Provided is a two-component-type primer having good adhesive property with a base material, particularly a nonferrous metal, and excellent curability, without containing any chromium compound. The two-component-type primer comprises an epoxy resin, an MXDA (meta-xylenediamine) Mannich modified curing agent, a gypsum (excluding crystal gypsum), and a pigment (excluding gypsum), wherein the volume concentration of a gypsum and a pigment in a dry coating film formed with the primer is 40 to 50%.