Dongguan Hongshun Automation Equipment Co., Ltd.
                                                                                                           
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19 Years
Since 2007
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Stainless Steel Passivation Solution Applicable To SS201, 301, 304, 430 ,316

Price Negotiable
Price: $20-$30/barrel
MOQ: 10 barrels
Delivery Time: 10 days
Brand: Hongshun
Product Description
Stainless Steel Passivation Solution
This environmentally friendly stainless steel passivation solution is formulated with organic acids, intermediate auxiliary agents, corrosion inhibitors, and promoters. It is applicable to various stainless steel grades including SS201, 301, 304, 430, and 316.
Product Overview
Our chromium-free passivation solution operates at room temperature, contains no acid-eroding components, and is non-toxic and odorless. It maintains the original appearance and dimensions of workpieces while significantly enhancing salt spray resistance. The formulation complies with current environmental RoHS standards.
Key Features
  • Uniform passivation film with excellent corrosion resistance and adhesion
  • Short processing time with minimal sediment and dense crystal formation
  • Low-temperature processing capability with spray or immersion application methods
  • Water-based, environmentally friendly formulation - chromium-free, residue-free, easy to rinse
  • Non-flammable, non-explosive with strong salt spray corrosion resistance
  • Maintains electrical conductivity and welding performance
  • Low odor, non-toxic, no flash point
  • Compliant with VOC, COD and EU RoHS standards
Technical Specifications
Parameter Specification
Appearance Colorless to slightly yellow liquid
Density 1.04 - 1.06g/L
pH (working solution) 5 - 8
Safety Non-flammable, non-corrosive
Environmental Chromium-free, lead-free, cadmium-free, mercury-free, PBB/PBDE compound-free
Process Flow Diagram
Stainless steel passivation process flow diagram showing treatment steps
Usage Instructions
Immerse clean stainless steel parts in the passivation solution for 3 to 5 minutes. Rinse thoroughly with water and allow to dry completely. Avoid stacking parts before they are fully dried. Once completely dry, parts can be stored together.
Application Fields
Suitable for passivation, rust prevention, and salt spray resistance treatment of stainless steel parts including grades 201, 301, 304, 303, 316, 410, 420, 430, 630, 409, 663, 420F, 430F, and 443.

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Company Dongguan Hongshun Automation Equipment Co., Ltd.
Location Building 1, No. 13, Sanheng Road, Lianhu South, Tangxia Town, Dongguan City
Contact Person Jesse Tang

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