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Why does the YUHE self-propelled sprayer use powder coating for its metal parts?

Why does the YUHE self-propelled boom sprayer use powder coating for its metal parts?

Many users often ask whether it is better to use spray painting or powder coating for the appearance of self-propelled plant protection machines. We recommend powder coating. Here, let's compare and analyze the two processes.

First, we need to understand the operating environment of the self-propelled plant protection machine:

1. The corrosion of the metal surface caused by pesticide droplets;

2. Outdoor storage, where air, temperature, etc. will accelerate metal oxidation and coating aging;

3. During field operations, the impact and friction from branches, soil clumps, and other debris on the surface;

4. The high-frequency vibration and friction during machine operation can also cause the coating on the parts to fall off.

Next, let's analyze the advantages and disadvantages of surface spray painting:

1. Spray painting offers a wide range of colors and strong decorative effects.

2. The spray paint film is relatively thin, with relatively weak wear resistance and impact resistance. It is easily scratched in the field and has poor coating durability.

3. It is prone to peeling and flaking under impact or long-term corrosion, with weak adhesion.

4. It is prone to rusting under long-term corrosion by chemical agents and has poor corrosion resistance.

5. The solvent evaporation during the spray painting process causes significant pollution and does not meet environmental protection requirements.

In contrast, the advantages of surface powder coating are far greater than those of spray painting:

1. After curing, the powder coating forms a dense and inert chemical protective layer, which has a strong resistance to pesticides, fertilizers, etc., and provides the machine's frame, boom, and other parts with excellent corrosion resistance.

2. The powder coating thickness can reach 100-300 μm, with strong adhesion to the metal surface, good wear resistance, impact resistance, and scratch resistance, better handling field bumps and ensuring the self-propelled sprayer has excellent mechanical performance.

3. The powder coating has good resistance to ultraviolet aging and retains color for a longer time.

Therefore, the YUHE self-propelled sprayer insists on using powder coating technology, combined with excellent assembly processes, to ensure that users can enjoy safety, convenience, efficiency, longevity, durability, and environmental protection during the machine's use


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