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HH Stainless Steel Passivation Agent
HH stainless steel passivator forms an extremely thin, dense, well-adhering passivation film on the metal surface that adheres firmly to the metal. This film completely isolates the metal from corrosive media, preventing direct contact and thereby essentially halting metal dissolution and inducing a passive state, which effectively inhibits corrosion. Only stainless steel that has undergone proper passivation can truly exhibit its “stainless” properties.
Category:
Stainless Steel Passivator
Keywords:
Huihong
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Product Description
【Applicable Materials】
Specifically designed for surface passivation, anti-oxidation, and pre-coating treatment of 201, 304, 316, and 430 stainless steel.
[Product Overview]
HH stainless steel passivator forms an extremely thin, dense, well-adhering passivation film on the metal surface that adheres firmly to the metal. This film completely isolates the metal from corrosive media, preventing direct contact and thereby essentially halting metal dissolution and inducing a passive state, which effectively inhibits corrosion. Only stainless steel that has undergone proper passivation can truly exhibit its “stainless” properties.
【Product Features】
1. The passivation film is highly uniform, with excellent corrosion resistance and adhesion. Without sealing, 316 stainless steel can withstand a salt spray test for up to 500 hours, while 304 stainless steel can withstand up to 200 hours.
2. Can be applied at low temperatures. Both spray and soak treatments are suitable.
3. Short processing time, minimal sludge formation, and dense crystallization.
4. The bath solution is stable, easy to maintain, and low-cost.
5. Does not contain heavy metals such as chromium or nitric acid; environmentally friendly and non-toxic; complies with RoHS standards.
【Product Characteristics】
Model: HH-Stainless Steel Passivation Agent
Appearance: Several models are available; the actual product appearance shall prevail.
pH: 5 ± 0.5
Usage ratio: 10% (10 kg of stainless steel passivation agent to 90 kg of water)
Processing temperature: ambient temperature
Treatment method: Soaking
Soaking time: 1–3 minutes
【Process Flow】
Workpiece to be processed → Degreasing → Rinsing with clean water → Passivation → Rinsing with clean water → Drying
【Instructions for Use】
Prepare the HH stainless steel passivation solution at a 10% concentration, immerse the workpieces for 1–3 minutes, and then rinse thoroughly with clean water.
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Before passivation | After passivation |
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Before passivation | After passivation |
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Before passivation | After passivation |
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【Application Areas】
Metal processing industry, hardware and electrical appliance manufacturing, hardware and electronics industry, aerospace components, automotive parts, mobile phone accessories, hardware furniture, medical equipment, and telecommunications devices.
【Precautions】
Continuous use will result in a decrease in the concentration of the working solution. Regularly monitor the concentration and ensure it is maintained at the specified level. If the solution is accidentally splashed onto the skin, rinse immediately with copious amounts of water.
[Handling, Storage, and Transportation]
1. Storage: During storage at ambient temperature, the packaging drums shall be kept tightly sealed to prevent the ingress of water or other foreign matter. When stored in clean, covered, and appropriately sized containers, this product will not present any operational, handling, or storage challenges. Protect against freezing and avoid exposure to extreme heat or cold.
2. Packaging: 25 kg per drum, packaged in plastic drums.
| Length/cm | Width/cm | Height/cm | Volume/cm³ | Weight (including packaging)/kg | Remarks |
| 30 | 28.5 | 41 | 35055 | 26.5±0.2 | Customizable packaging specifications; The actual shipping packaging shall prevail. |
Retention period ： 12 months (calculated from the date of delivery under the specified conditions in the originally sealed drum; the sealed drum shall be tightly resealed immediately after sampling or use).
Transportation This product is non-flammable, non-explosive, non-corrosive, and free of heavy metals; it shall be transported as a non-hazardous material.
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We provide energy-saving and environmentally friendly metal surface treatment agents to a wide range of metal production, processing, and manufacturing enterprises, including chromium-free passivators, trivalent chromium passivators, magnesium alloy passivators, phosphate-free conversion coatings, eco-friendly film-forming agents, phosphating solutions for steel and galvanized parts, and environmentally friendly paint strippers, among other products.
Qualifications and Honors
We have obtained ISO 9001:2015 certification, ensuring consistent product quality. Our products have also been certified by SGS, STC, and hold surfactant certification, among others.
Partner Institutions of Guangdong University of Technology
Member Organizations
Gratitude-Driven Company
Trademark Registration Certificate
Surfactant Certification
Certification for Trivalent Chromium in Oxidizing Solutions
STC Certification
SGS Certification
Certificate of Registration
Company Showcase
Since its establishment, Huihong has consistently pursued technological innovation and independent brand development, placing great emphasis on innovation, R&D, and products. It attaches great importance to its brand image, takes promoting green environmental protection and energy conservation and emission reduction as its responsibility, and is committed to reducing the use of chemicals.
Customer Reviews
Customer trust stems from professionalism. With wisdom and integrity, Huihong has always adhered to the principles of “quality first, customer first, honesty and trustworthiness, and truth-seeking and pragmatism,” continuously innovating and expanding.
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