Surface Treatment Chemicals Market was valued at USD 12.20 Billion in 2025. Sales are expected to reach USD 13.27 Billion in 2026 and USD 30.85 Billion by 2036. Anodising Chemicals is poised to lead by Product Type with 22.2% share in 2026 and Electronics And Electrical is estimated to command by Application with 32.8% share in 2026.