d-Limonene solvent cleaner; prolonged contact or residue could affect sensitive finishes despite stainless-steel approval.
Why
Zep explicitly lists stainless steel among approved surfaces, and the product is intended to remove grease and kitchen soil. No contradictory evidence is provided.
What to do
Use as directed, avoid prolonged dwell, and wipe/rinse thoroughly. Spot-test first on coated, polished, or specialty stainless finishes.
pH
Not stated in the provided manufacturer evidence.
Relevant chemistry
The evidence identifies d-limonene for the cleaner family; no numeric pH or broader chemistry classification is provided.
Source: official product page ↗