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XINDAZHONG

TIN MAKOU BUSINESS DEPARTMENT:

0086-510-68755552 13606185911 MR PU

COATING DIVISION:

0086-510-68755532 13951583912 MR ZHOU

DEPARTMENT OF INTERNATIONAL TRADE:

0086-510-68755568 15852505885 MR CHEN

NEW PRODUCTS DIVISION:

0086-510-68755533 15052267125 MR GAO

FAX:

0086-510-68755594 68755568(MINISTRY OF INTERNATIONAL TRADE)

ADDRESS: 83 CHANGYU ROAD, YUQI STREET, HUISHAN DISTRICT, WUXI CITY, JIANGSU PROVINCE

Technical knowledge: service life of color coated steel plate

There are many factors affecting the service life of color coated steel sheets because of their different uses and environmental conditions。 According to their service functions, the service life of color coated steel sheets can be divided into the following categories:

 

 

 

1) Decorative service life, subjective fading, powdering, cracking on the surface of finger-color steel plate, and local peeling off of coating. It has an impact on the image and beauty of buildings, but it has not yet reached the extent that a large area of coating loses its protective effect.

 

 

 

2) The service life of coating renovation, most of the surface of fingerprint steel plate delamination, rust spots and other defects, resulting in the use time of further corrosion of the substrate.

 

 

 

3) Limit service life, fingerprint steel plate without renovation long-term use, until serious corrosion, can no longer be used。

 

 

 

The service life of color coated steel sheets for buildings can be roughly as follows:

 

 

 

Decorative service life: 8-12.

 

 

 

Renovation service life: 12-20 years;

 

 

 

Limit service life: more than 20 years.

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