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The construction quality of steel fluorocarbon paint is difficult to control

Author:    Date:2017-6-19 13:59:05

Modern bridge body, especially steel structure bridge steel welding, splicing parts, and surface corrosion, weathering problems and most of the use of steel structure fluorocarbon paint painting protection, So that in the harsh environment from external corrosive factors erosion, in order to extend the useful life of the bridge, the need for regular repair. Before the overhaul, the old coating of the bridge supporting the situation, corrosion area, adhesion and coating thickness and other basis for investigation and analysis, is the main design of coating design.

Overhaul work focus

1, and strive to cost-effective: to achieve the coating design life of 10 years is superb energy saving and environmental protection.

2, the use of low surface treatment coatings, low surface treatment coatings that are surface tolerance paint, bridge overhaul commonly used in a class of energy saving, environmental protection coatings.

3, the gradual use of water-based paint to promote. Fluorocarbon paint itself has excellent acid and alkali resistance, weather resistance, stain resistance and anti-aging properties, can better protect the main bridge, to extend the life of the performance, and in the spraying process, in order to ensure the quality of paint film To achieve anti-corrosion requirements, it is necessary to spray workers construction technology, and experienced to cope with ease.

The construction quality difficult to control the reasons for the following points:

1, the surface roughness can not handle;

2, color, gloss uneven;

3, split seam, color line, straight line size error, paste the US profile paper is not strong lead to bleeding;

4, vertical elevation of the vertical;

5, wrinkled skin, falling falling tears, wrapped edge;

6, painted surface Cha, local color mixing.

In the process of solving the coating caused by the coating defects, the need for prior or re-base surface roughness is poor, dust, wall vertical and other problems one by one solution, and then in strict accordance with the spraying process and spray quality requirements Construction, and the need under the guidance of experienced construction technicians to carry out safety regulations spray operation, in order to successfully passed the acceptance after completion. Steel structure Fluorocarbon paint on the main bridge, steel bridge steel welding, splicing parts, and the surface of the anti-corrosion coating protection to practical type, decorative, supplemented by On its own anti-ultraviolet performance particularly strong, long-term to maintain the original color, will not produce ordinary paint after sun and rain after the powder phenomenon, with the surrounding environment with a harmonious, and thus play a real safety and environmental protection landscaping environment effect.


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