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Surface Finishing：What is painting?
Painting involves atomizing paint with a spray gun and applying it evenly to a workpiece surface, followed by curing through air-drying or low-temperature baking (metal≤80℃/plastic≤60℃).
The process is straightforward: after basic pretreatment (rust/oil removal, sanding), a primer is applied for adhesion and rust protection, then a topcoat for color and basic protection. Finally, the paint cures as solvents evaporate at room or low temperatures.
1. Metal Spray Painting
low-temperature： Ideal for small-batch production, irregular-shaped parts, or large workpieces (e.g., steel structures, ordinary furniture), spray painting offers low equipment costs and operational flexibility. However, its coating cures incompletely, leading to low hardness, poor scratch/wear resistance, and limited corrosion resistance—making it unsuitable for high-demand applications.
High-temperature ：The process requires precise pretreatment (pickling, phosphating, fine sanding) to ensure a contaminant-free surface. After priming and topcoating, the workpiece is baked at a controlled temperature (e.g., 160℃ for 30 minutes for automotive finishes), or 200℃ for powder coating, where powder melts and cures into a hard film.
Baking finish delivers a smooth, high-gloss surface with exceptional hardness (up to H grade), wear resistance, and corrosion resistance
Certainly, spray painting needs different paint mixes for shiny, matte, or frosted looks—each gives a different finish.
Also, paint can look different between batches. For assembled parts,paint all parts the same way to prevent color differences.
FORMEXFABTECH primarily offers processing services for various product designs, ranging from sample development to mass production. If you are looking for a reliable partner, please feel free to contact us.
