Polyurethane Spray Coating Techniques in Automotive OEM Basecoat-Clearcoat Lines: A Comprehensive Review Abstract: This article provides a comprehensive review of polyurethane spray coating techniques employed in automotive original equipment manufacturer (OEM) basecoat-clearcoat lines. It delves into the specific challenges and requirements of automotive coatings, examines the formulation and properties of polyurethane coatings, and meticulously analyzes...