Stainless Steel Pickling and Passivation Solution

ACEP-PRE-011 is a premium stainless steel pickling and passivation solution developed by our company. This product is an upgraded version of our original pickling and passivation solution, designed to meet the highest standards of quality and performance. With a colorless, transparent appearance and a mild odor, ACEP-PRE-011 effectively addresses the challenges faced during the processing of austenitic stainless steel, including rust, weld spots, oil stains, and oxide scales.

Key Advantages

• Dual-Action Formula: It combines pickling (rust/oxide removal) and passivation (corrosion protection) in one process, reducing time and cost.
• Exceptional Performance: It achieves 200+ hours of neutral salt spray (NSS) resistance on SUS304, exceeding industry standards.
• Environmentally Safe: HCl-free, RoHS-compliant, and free from hexavalent chromium (Cr⁶⁺) or other hazardous heavy metals.
• Easy Application: It works at room temperature, requires no specialized equipment, and is suitable for batch processing.
• Wide Compatibility: Ideal for SUS300 series (303, 304, 316, 316L) and can be diluted for SUS200/duplex stainless steels.

Recommended Applications

• Precision metal components (hardware, fasteners, tools)
• Semiconductor & electronic parts
• Automotive & aerospace components
• Decorative & architectural stainless steel

Process Flow

1. Degrease → 2. Rinse → 3. Pickling & Passivation (ACEP-PRE-011, 10–30 min) → 4. Rinse (twice) → 5. Neutralize → 6. Dry → 7. Final Inspection

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