How should we judge the quality of the color board?
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How should we judge the quality of the color board?

               
Update:2020-11-25 10:53:48
Summary:1. Observe the thickness of the color steel plate substrate and the thickness of the filmThe color steel plate is composed of a substrate and a color peritoneum or coating. Before selecting, we should first check the thickness of the substrate and pe......

1. Observe the thickness of the color steel plate substrate and the thickness of the film
The color steel plate is composed of a substrate and a color peritoneum or coating. Before selecting, we should first check the thickness of the substrate and peritoneal coating. The preferred color steel plate is 0.02~0.05mm, and the thickness of the coating or coating is often less than 0.15mm. Because the thickness of the substrate is very important from the time of affecting the color steel plate. If the thickness of the peritoneum is increased and the thickness of the color steel plate is reduced, the service life of the color steel plate will be greatly reduced.
2. Listen to the sound of color steel plate
Hit the color steel plate with your finger or a hard object. If the color steel plate material is poor, the sound is dull, the metal sound is not obvious, and the metal sound of the color steel plate with better material is relatively loud and brittle.
3. Observe the outer leakage edge of the color steel plate
Observe whether the colored steel plate is exposed, such as the cross section, whether it is crystal clear, whether it is gray, dark or impurities. If the slices are finely crystallized, the quality will be better.
4. Check the color steel plate quality certificate.
Does the relevant department have testing standards? If possible, please visit the colored steel plate manufacturer as much as possible. See what the corporate environment is and whether it is normal. What is the reputation of this company in the market.

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