Part Production Approval Process What is PPAP? PPAP stands for part production approval process Who should learn PPAP? Part production approval process (PPAP) should learn by vendor development, design department or engineering department staff. Who will PPAP be useful? Part production approval process (PPAP) has to be prepared for new products under development. POPULAR COURSES Six Sigma Black Belt Green Belt Minitab for Data Analysis six sigma Wikipedia – https://en.wikipedia.org/wiki/Six_Sigma