Stainless Steel Pickling and Passivation Paste

Our stainless steel pickling and passivation paste (product code: ACEP-PRE-012) is an advanced, dual-action formula designed to streamline surface treatment for austenitic stainless steels (SUS200 & SUS300 series). This innovative paste combines pickling (oxide removal) and passivation (corrosion resistance) in a single step, eliminating the need for multiple processes. It effectively removes welding scales, rust, oil residues, and thermal oxides while forming a uniform passive layer to enhance long-term durability.

Key Advantages

• Dual-Action Efficiency:

Pickling: Rapidly dissolves iron contamination, weld discoloration, and heat tints.

Passivation: Forms a chromium-rich oxide layer to restore corrosion resistance.

• Superior Performance:

Neutral salt spray test-compliant for SUS200/SUS300 series.

Fast reaction time (~30 minutes) with visible results.

• User-Friendly Application:

No specialized equipment required—apply via brushing, spraying, or dipping.

Operates effectively at room temperature, reducing energy costs.

• Environmentally Optimized:

Heavy metal-free (no hexavalent chromium).

Non-film-forming, ensuring no interference with subsequent coatings.

Recommended Applications

• Chemical processing equipment
• Food & beverage machinery
• Medical devices & pharmaceutical tools
• Marine and architectural components

Processing Guidelines

1. Surface Preparation: Degrease and clean the substrate (optional for heavily soiled surfaces).

2. Application: Apply a uniform layer (1–2 mm) using a brush or spray.

3. Reaction Time: Allow 20–30 minutes (adjust based on contamination level).

4. Rinsing: Remove residues with water or alkaline cleaners.

Use Effect Chart

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