Definition - What does Orange Peel mean?
Orange peel is a term used to describe a now defective layer of coating applied to a metallic surface to prevent corrosion. The defective coating raises up and curls after a long period since application, and is shaped similarly to the peel of an orange fruit.
Corrosionpedia explains Orange Peel
An orange peel is usually formed after a significant fallow period of no regular corrosion preventive measures. Implementation of proper corrosion prevention care, as well as regular maintenance, can prevent the orange peel occurrence.