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Introduction to UV Vacuum Plating Technology
Release time:
2025-07-10 07:07
In modern manufacturing, surface‑treatment technologies play a crucial role in enhancing product performance, extending service life, and meeting environmental regulations. The UV vacuum plating process, an advanced surface‑treatment method that integrates vacuum coating with ultraviolet curing, is increasingly becoming the preferred solution across numerous industries.
I. Process Overview
The UV vacuum plating process is an advanced surface‑treatment technique that combines vacuum coating technology with UV (ultraviolet curing) coating technology. It is primarily used to enhance product aesthetics, improve surface hardness and wear resistance, and impart a distinctive metallic luster. This process is widely employed for decorative and functional coatings on non‑metallic materials such as plastics, glass, and ceramics.
In traditional electroplating, metal is deposited onto the substrate surface via electrolysis; in contrast, UV vacuum plating involves evaporating metal into a gaseous state within a vacuum environment and depositing it on the substrate. The resulting surface coating is then rapidly cured by UV irradiation, yielding a high‑quality finish.
II. Basic Process of UV Vacuum Plating
1. Pre-processing
Cleaning: Remove oil, dust, and other contaminants from the substrate surface.
Surface activation: enhances adhesion between the substrate and the coating.
2. Primer Spraying
A layer of UV primer is sprayed onto the substrate surface to enhance adhesion between the coating and the substrate and to provide a smooth, uniform base.
3. Vacuum coating
Metal materials (such as aluminum, copper, chromium, etc.) are heated within a vacuum chamber, causing them to evaporate into the gaseous state and deposit uniformly on the substrate surface, thereby forming an ultra-thin metallic layer.
4. Topcoat Spraying
A UV‑cured topcoat is applied over the metal layer to protect it, enhance its gloss, and improve its weather resistance and abrasion resistance.
5. UV Curing
Ultraviolet light is used to rapidly cure the sprayed coating, enabling crosslinking to occur within seconds and forming a hard, stable protective layer.
III. Advantages and Characteristics of UV Vacuum Plating
1. Environmental protection and energy efficiency: No heavy-metal‑based electrolytes are required, reducing wastewater discharge and aligning with the trend toward green manufacturing.
2. Wide range of applications: Suitable for various non-metallic materials, including plastics, glass, and ceramics.
3. High surface quality: The coating is dense and highly polished, delivering excellent metallic texture and visual appeal.
4. High production efficiency: The UV curing process is rapid, shortening the overall processing cycle.
5. Superior Performance: The coating exhibits strong adhesion and excellent resistance to scratching, aging, and corrosion.
IV. Main Application Areas
1. Electronic product housing
Shell decoration for products such as smartphones, laptops, and smart wearables enhances their premium appeal and aesthetic appeal.
2. Automotive interior components
The dashboard, buttons, door handles, and other components feature UV vacuum plating, enhancing both the sense of luxury and a cutting-edge technological aesthetic.
3. Home Appliances and Kitchen & Bathroom Products
Such as range hoods, faucets, and switch panels—both stylish and durable.
4. Handicrafts and Packaging
This process can be used to create mirror-like or colored metallic finishes on gift boxes, cosmetic bottle caps, and other packaging, thereby attracting consumers.
V. Conclusion
UV vacuum plating, as an essential component of modern surface‑engineering technologies, not only overcomes the challenges of applying conventional electroplating to nonmetallic materials but also offers multiple advantages, including environmental friendliness, high efficiency, and aesthetic appeal. Against the backdrop of the broader trend toward manufacturing upgrades, this process will continue to play a pivotal role, emerging as one of the key technologies for enhancing product value added and market competitiveness.
Disclaimer: The above content has been compiled from publicly available sources and is provided for reference only. If any infringement occurs, please contact us, and we will address it promptly.
| Bossin Recommended Products – Vacuum Plating | ||
| Primer | ||
| Product Model/English Abbreviation | Product Name/Product Type | Product Features |
| B-113 | Bisphenol A epoxy acrylate | High hardness, high gloss, high fullness, containing 20% TPGDA. |
| B-151 | Modified epoxy acrylate | Low halogen, yellowing-resistant, excellent plating performance, and strong adhesion. |
| B-160D | Modified epoxy acrylate | Good flexibility, yellowing resistance, and excellent adhesion. |
| B-163 | Modified epoxy acrylate | Good flexibility, excellent pigment wetting, and strong adhesion. |
| B-165 | Modified epoxy acrylate | Good flexibility and strong adhesion |
| B-212A | Aromatic polyurethane acrylate | High cost-performance, excellent plating adhesion, good toughness, and resistant to boiling water. |
| B-221 | Aliphatic polyurethane acrylate | Fast curing, resistant to boiling water |
| B-268M | Aliphatic polyurethane acrylate | Good flexibility, excellent adhesion, superior plating performance, and strong hiding power. |
| B-574C | Polyester acrylate | Low viscosity, low odor, excellent wettability, suitable for LED UV. |
| B-619W | Aliphatic polyurethane acrylate | Fast curing, high hardness, excellent toughness, wear resistance, and chemical resistance. |
| Intermediate coat | ||
| Product Model/English Abbreviation | Product Name/Product Type | Product Features |
| B-374 | Aliphatic polyurethane acrylate | Good flexibility, excellent leveling, resistant to abrasion and chemicals, and resistant to yellowing. |
| B-601 | Aromatic polyurethane acrylate | High hardness, scratch resistance, chemical resistance, and excellent cost-effectiveness. |
| B-6020 | Special functional group acrylate | Resistant to boiling water, excellent color development, and strong interlayer adhesion. |
| Topcoat | ||
| Product Model/English Abbreviation | Product Name/Product Type | Product Features |
| B-221 | Aliphatic polyurethane acrylate | Fast curing, resistant to boiling water |
| B-301 | Aromatic polyurethane acrylate | Fast curing, excellent toughness, and good sandability. |
| B-302 | Aromatic polyurethane acrylate | Fast curing, high strength, excellent toughness, and good grindability. |
| B-368 | Aliphatic polyurethane acrylate | Good toughness, excellent leveling, excellent bend resistance, and excellent heat resistance. |
| B-374 | Aliphatic polyurethane acrylate | Good flexibility, excellent leveling, resistant to abrasion and chemicals, and resistant to yellowing. |
| B-574C | Polyester acrylate | Low viscosity, low odor, excellent wettability, suitable for LED UV. |
| B-601 | Aromatic polyurethane acrylate | High hardness, scratch resistance, chemical resistance, and excellent cost-effectiveness. |
| B-6016C | Special functional group acrylate | Easy to apply, resistant to yellowing and boiling water, and improves the appearance of the paint film. |
| B-6019 | Special functional group acrylate | Good leveling, excellent wetting, resistant to boiling water, and superior color dispersion. |
| B-609 | Aliphatic polyurethane acrylate | Fast curing, high hardness, scratch resistance, and chemical resistance. |
| B-615A | Aliphatic polyurethane acrylate | Fast curing, excellent toughness, wear resistance, and chemical resistance. |
| B-619W | Aliphatic polyurethane acrylate | Fast curing, high hardness, excellent toughness, wear resistance, and chemical resistance. |
| B-6210 | Aliphatic polyurethane acrylate | Low viscosity, chemical resistance, environmental resistance, and dual photocatalytic–thermal curing. |
| B-6211 | Aliphatic polyurethane acrylate | Fast curing, high hardness, scratch-resistant, and free of organotin. |
| B-919B | Aliphatic polyurethane acrylate | Fast curing, high hardness, excellent toughness, and outstanding chemical and wear resistance. |
| Monomer Recommendation | ||
| Product Model/English Abbreviation | Product Name/Product Type | Product Features |
| BM2223 (TPGDA) | Dipropylene glycol diacrylate | Good flexibility and low volatility |
| BM3231 (TMPTA) | Trimethylolpropane triacrylate | High crosslink density, high hardness, high gloss, and excellent wear resistance. |
| BM3235 (PET3A) | Pentaerythritol triacrylate | Fast curing, high crosslink density, high hardness, and chemical resistance. |
| BM3380 (3EO-TMPTA) | Pentaerythritol triacrylate | More flexible and less irritating than TMPTA. |
| BM6261 (DPHA-80) | Dipentaerythritol hexaacrylate | High crosslink density, high hardness, chemical and wear resistance, and water resistance. |
| BM6263 (DPHA-90) | Dipentaerythritol hexaacrylate | High crosslink density, high hardness, chemical and wear resistance, and water resistance. |
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