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HH-608 Nano Phosphate-Free Ceramic Coating Agent
HH-608 nano phosphate-free ceramizing agent is a phosphate-free, reactive pretreatment chemical that is environmentally friendly, free of phosphates and heavy metals, and compliant with the EU RoHS environmental protection requirements. It is designed for surface film-forming treatment of steel parts, aluminum materials, electrolytic plates, galvanized sheets, aluminum alloys, and other substrates, enhancing coating adhesion and corrosion resistance. The product is non-volatile and does not precipitate, making it suitable for spray or dip treatments at room temperature. After treatment, a highly stable coating layer is formed, which strengthens the bond between the coating film and the substrate and improves the corrosion resistance of the coated surface.
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Product Description
【Applicable Materials】
Suitable for ceramizing (passivation) treatment on the surfaces of materials such as steel, aluminum, galvanized sheet, electrolytic sheet, and aluminum alloy.
[Product Overview]
HH-608 nano phosphorus-free ceramizing agent is a phosphate-free, reactive pretreatment chemical that is environmentally friendly, free of phosphates and heavy metals, and compliant with the EU RoHS environmental protection requirements. It is designed for surface film-forming treatment of materials such as steel parts, aluminum, electrolytic plates, galvanized sheets, and aluminum alloys, enhancing coating adhesion and corrosion resistance. The product is non-volatile and does not precipitate, making it suitable for spray or dip treatments at room temperature. After treatment, a highly stable coating layer is formed, which strengthens the bond between the coating film and the substrate and improves the corrosion resistance of the coated surface.
【Product Features】
1. Environmentally friendly and odorless, it is phosphate-free, chromium-free, mildly acidic, non-volatile, dust-free, and does not produce sediment, making it an eco-friendly, pollution-free pre-coating treatment product.
2. The ceramizing treatment can be carried out at ambient temperature, eliminating the need for heating equipment and thereby removing the surface-conditioning step.
3. Energy-efficient, recyclable, with no sediment, no need for tank draining, low consumption, no damage to equipment, and extended equipment service life.
4. Compared with conventional phosphating, this process significantly reduces treatment time, produces a thinner coating, lowers costs, enhances impact resistance, and delivers superior corrosion resistance.
5. Environmentally friendly and energy-saving product with zero wastewater discharge, eliminating the need for heating equipment, slag removal tanks, and phosphating wastewater treatment systems.
【Product Characteristics】
Model: HH-608 Nano Phosphate-Free Ceramic Coating Agent
Appearance: Colorless liquid
pH: 4.5–5
Grooving ratio: 2–4% (2 kg of ceramicizing agent mixed with 98 kg of water)
Processing temperature: ambient temperature
Treatment method: Spraying/Soaking
Processing time: 2–3 minutes
Tank solution maintenance: 1–2%
【Process Flow】
Workpiece to be processed → Rust remover → Rinsing with clean water → Rust prevention.
【Instructions for Use】
Pre-degreasing → Main degreasing → Water rinsing → Water rinsing → Ceramic conversion coating → Water rinsing → Pure water rinsing → Drying → Spraying.
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Before calcination | After calcination |
Application Effects | |
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Before calcination | After calcination |
Application Effects | |
![]() | ![]() |
Before calcination | After calcination |
Application Effects | |
【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】
1. Strictly control the pH value within the process specifications (especially for zinc-aluminum alloy parts).
2. When the bath pH is less than 4.0, the adhesion between the workpiece and the coating will decrease.
[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 difficulties. 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 shipped 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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