From Wiktionary, the free dictionary
APE (plural APEs)
- (organic chemistry) Initialism of alkylphenol ethoxylate.
2008, Uri Zoller, Paul Sosis, editors, Handbook of Detergents, Part F: Production (Surfactant Science Series), CRC Press, →ISBN, page 66:The most important and commonly used APEs are nonylphenol ethoxylates (NPEs), which account for 80% of the APE market.