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Color Coated Aluminum Coil- 27 (10.1%)
Color Coated Aluminum Coil - 41 (15.4%)
Color Coated Aluminum Coil - 50 (18.7%)
Color Coated Aluminum Coil - 105 (39.3%)
Color Coated Aluminum Coil - 25 (9.4%)
total - 267 massages
date:3, 2016

How to distinguish the quality of coated sheet

1.Observe the thickness of base plate and tectorial membrane
Color coated sheet is composed of base plate and the color of peritoneal or coating.We must consider the thickness of the base plate and the peritoneum coating at first, color coated steel with good quality is 0.02 ~ 0.05 mm, thickness of film coating is only below 0.15 mm.Because from the perspective of the use time of influence the color steel plate, the thickness of the substrate is very important.Some manufacturer of color steel plate is often on the substrate and steel coating or laminating checkers, they reduce the thickness of the base board, but increase the thickness of the peritoneum to reduce the production cost of choi steel, this greatly reduce the service life of the color steel plate.

2.Observe the exposed edge 

Get a piece of colored steel, check the exposed steel such as section thin crystal, if grey, dark, and impurities.If the plane is crystallization of close type is of superior quality.

3.Listen to the voice

Rap the steel with a hard subject or finger,if it is bad, is made by the stuffy, metal sound is not obvious, metal voice of good color steel sheet is loud and clear.

4.Check the price
Anything, is you get what you pay for.When we compare steel quality, the price is on the one hand, but don't pay great attention,If the steel prices are much lower than others, so we will pay attention to.

next:The laminated steel sheet

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