HOME - PPG Industries - Aerospace Sealants, Coatings, Adhesives, Semco, Engineered Materials, Transparencies, Chemical Management, Chemical Packaging Welcome to the introduction page of PPG Aerospace, a global leader in providing innovative and cutting-edge solutions for the aerospace industry. With a rich history spanning several decades, PPG Aerospace has established itself as a trusted partner and supplier to major aircraft manufacturers, airlines, and maintenance, repair, and overhaul (MRO) facilities worldwide.