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| الاسم التجاري: | CHG |
| رقم الطراز: | PR-PSS-01 |
| الـ MOQ: | 1 مجموعة |
| السعر: | 100,000-200,000 USD |
| شروط الدفع: | خطاب الاعتماد، D/A، D/P، T/T، ويسترن يونيون، موني جرام |
| القدرة على التوريد: | 100 مجموعة في السنة |
Spray pretreatment serves as a vital preliminary stage in the coating production process, during which the surface of each workpiece is meticulously cleaned and conditioned prior to coating application. The primary objective of this process is to improve coating adhesion and enhance long-term durability, resulting in a consistent, high-performance surface finish.
Several spray pretreatment techniques are utilized across modern coating lines, each designed to meet specific material and performance requirements. Common methods include various chemical cleaning, degreasing, and conversion treatments, tailored to ensure optimal surface readiness for the subsequent coating stage.
| Degreasing | During the initial phase, a specialized cleaning agent is sprayed onto the surface of the workpiece to eliminate oils, grease, and other surface contaminants. Effective degreasing is critical, as it ensures optimal surface cleanliness and promotes strong coating adhesion in subsequent stages. |
| Phosphating | In this chemical treatment stage, the workpiece is sprayed with a phosphate-based solution that forms a thin, tightly bonded conversion layer. This phosphate coating enhances both the adhesion of the applied paint film and the corrosion resistance of the finished product. |
| Rinsing | Following each pretreatment step, the workpiece undergoes a thorough water rinse to remove any residual chemicals. This step prevents contamination between stages and prepares the surface for the next process in the sequence. |
| Surface Conditioning | Certain pretreatment systems incorporate a surface conditioning phase, where the workpiece is subjected to mild abrasion or mechanical activation. This process slightly roughens the surface, improving coating anchorage—particularly beneficial for challenging materials or complex geometries. |
| Drying | Before coating application, the workpieces are dried completely to eliminate moisture and ensure a clean, stable surface. Proper drying is essential for achieving a uniform, defect-free coating layer with maximum durability. |
Customization Option
The spray pretreatment system can be fully customized according to your specific process requirements, ensuring optimal performance and compatibility with your production line.
