Automobile body external panel-used water based coating composition and multi-layer coating film-forming method

摘要

An automobile body external panel-used water based coating composition containing, as essential components, (A) a resin particle containing an olefin polymer and an acrylic polymer in the same particle, (B) a hydroxyl group-containing resin, (C) a curing agent, and (D) a pigment, and a multi-layer coating film-forming method by use of the water based coating composition.