Dip Dyeing

Dip coating is a traditional coating method that involves immersing entire parts into a liquid paint bath to apply paint to every surface point. The part is submerged in a controlled manner into the paint solution, forming a thin film of paint on the surface. Due to its low cost, ability to produce uniform coatings, and suitability for high-volume production, this method remains widely preferred in industry. It is especially common in automotive subcomponents, agricultural machinery, and white goods frame parts.

• The part is immersed into the paint tank via a suspension system.
• Paint particles adhere to the surface through gravity and surface tension.
• The part is held in the solution for a specified duration (typically 30–60 seconds).
• Excess paint drains off after removal.
• The paint dries upon exposure to air or is cured by baking.
• A thin, smooth, and uniform paint layer is obtained.

• Coating can be applied to every part of complex geometries.
• The process is simple and does not require automation.
• The risk of leaving uncoated areas is low.
• Equipment and investment costs are low.
• It can be easily integrated into large-scale production lines.
• Paint utilization efficiency is high; excess paint can be reused.

• It is difficult to achieve thick films; typically only thin layers form.
• Cleaning the tank during color changes is time-consuming.
• Paint may degrade in the solution, requiring continuous mixing.
• Water-based systems may require extended drying times.
• Uncontrolled drying can cause running or streaking.
• Paint dripping from the part can create surface defects.

• Automotive suspension components and metal brackets.
• Internal components and connection elements of white goods.
• Agricultural machinery and industrial steel frameworks.
• Metal furniture and shelving systems.
• Defense industry sheet metal carrier systems.
• Cable conduits and metal sandwich panel supports.