What causes the color difference in the production of Prepainted Galvanized Steel Coil

As a professional manufacturer of Prepainted Galvanized Steel Coil, it has been professionally engaged in the production and supply of color-coated plates, color-coated coils and other related products for many years, but color differences often occur during the production process, so what is the problem? What caused it? Let's get to know it together!

quality Prepainted Galvanized Steel Coil

1. The thickness of the paint film of the same Prepainted Galvanized Steel Coil is not the same, and there will often be deviations. The sea blue, crimson or other dark RALs are not very prominent, and the white ones are very prominent.
2. Poor furnace temperature control will also cause color difference in Prepainted Galvanized Steel Coil.
3. The paint of different manufacturers will also have some deviation values.
4. When the thinner is blended, the control is not good and there will be a little deviation.
5. If the paint film is too thin, the color of the primer or the spangle of the substrate is very different, it will also affect the color a little.
6. The color of Prepainted Galvanized Steel Coil produced on different production lines for the exact same paint will be different, and even different batches on the same production line will have subtle differences.

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