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Industrial paint makes tailored schemes of bridge preservation for the bridge

Conventional scheme of steel coating plant is as follows:

 

Position

Coating system

Coating species

Dry film thickness/μm

Remark

External steel box

Underside rust

1

Epoxy zinc-rich primer

80

No sealer

2

Inorganic zinc silicate primer

80

Need sealer

3

Thermal spraying metallic zinc or aluminum


Need sealer

Sealer

Epoxy sealer

50


Intermediate paint

Epoxy micaceous iron oxide intermediate

120


Topcoat

Acrylic polyurethane

2×40


Fluorocarbon finish

2×30


Steel box inside

1

Primer

Epoxy zinc-rich primer

50


Topcoat

Colored epoxy mastic coating

100


2

Bottom / top coat

Light Epoxy Mastic Paint

2×75


The above supporting film thickness can be adjusted according to the actual corrosive environment.


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The company has been developed a series of ship coating products have been passed approval by CCS, LR, and DNV. The coatings systems hold independent intellectual property rights meet the requirements of corrosion on steel and concrete structures in harbors, wharfs, bridges, power stations, petrol-chemicals and civil engineering.

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