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How can we judge the quality of the color plate? Jan 09, 2018

How can we judge the quality of the color plate?

1: observe the thickness of the substrate and the thickness of the film


Color plate is made up of a peritoneum or a coating with a substrate and color. We first have to consider the thickness of the substrate and the peritoneal coating. The better color plate substrate is 0.02~0.05mm, and the thickness of the coating or coating is usually less than 0.15mm. The thickness of the substrate is very important because it affects the use time of the color plate. While some manufacturers of color steel plate often make their hands and feet on the substrate and color steel coating or laminating film, they reduce the thickness of the substrate, but increase the thickness of the peritoneum to reduce the production cost of the color steel sheet, which greatly reduces the service life of the color steel plate.


2: To observe the leaking edge of color plate


To get a piece of color steel plate, I first observed whether the color steel sheet, such as the section or not crystallized fine, whether the hair ash, dark and impurities. If the tangent surface is crystal fine, it is superior in quality.


3: listen to the sound


If we use finger or hard object to strike the color steel plate, if the material of the color steel plate is poor, the sound produced is dull. The metal voice is not obvious. The sound of the color steel plate with better material quality is more loud and crisp.


4: check the quality certificate of color steel plate


Is there a test standard for the relevant departments? If possible, try to go to the manufacturer of the color plate as far as possible. Look at what the enterprise environment is and whether it is regular. What is the reputation of the company in the market?


5: look at the price


Everything is a penny.