Atmospheric Corrosion Environment-ZINDN

CORROSIVE ENVIRONMENT

Atmospheric Corrosion Environment

Atmospheric Corrosion of Steel Structures

Exposed steel structures in everyday environments face continuous degradation from atmospheric factors, including sunlight, wind, precipitation, and cyclic temperature/humidity variations. Oxygen and moisture are primary corrosion accelerators, while industrial pollutants (SO₂, CO₂, NO₂, Cl₂, H₂S, NH₃) - even in trace amounts - significantly exacerbate material deterioration. Notably, SO₂ induces severe corrosive effects, and chloride ions (Cl⁻) destabilize protective passive films, triggering electrochemical corrosion. This progressive damage leads to substantial resource waste, economic losses, and potential safety hazards.

Common Atmospheric Corrosion Environment

Bridge

The bridge is suffering from corrosion in environments such as heat and humidity, acid rain, salt spray, industrial atmosphere, and marine atmosphere.
Corrosion, the design requires anti-corrosion years, decoration, gloss and color retention, easy maintenance

Airport

Venue

Steel structure is a structure mainly composed of steel materials, connected by bolts or rivets. The steel structure of stadiums is commonly used to form a long-term anti-corrosion structure with aggravating corrosion paint, or it is coated with supporting heavy anti-corrosion paint for protection

Reference Solutions for Heavy-Duty Anti-Corrosion Systems in Atmospheric Corrosion Environments >>

Location	Protection Plan	Road Number	Thickness(μm)
C5 corrosion environment steel structure surface	Surface pretreatment	Sandblasting rust removal reaches Sa2.5 level
	Cold galvanizing compound primer	2	80
	Cold galvanizing compound sealant	2	100
	Fluorocarbon topcoat/polysiloxane topcoat	2	80
C5 corrosion environment steel structure surface	Surface pretreatment	Sandblasting and rust removal reach Sa2.5 level or sanding to St3 level
	Epoxy zinc-rich primer	1	80
	Epoxy Mica Intermediate Paint	2	160
	Fluorocarbon topcoat/polysiloxane topcoat	2	80

Industrial Heavy-Duty Corrosion Protection Solutions Provider for Atmospheric Service Environments >>

Zindn Professional Corrosion Protection Solutions

We Provide:
✓ Free On-Site Inspection & Evaluation – Comprehensive corrosion assessment by certified experts
✓ Customized Anti-Corrosion Solutions – Engineered protection systems for harsh marine environments
✓ Maximized Asset Lifespan – Advanced technologies to extend service life
✓ Reduced Maintenance Cycles – Cost-effective protection minimizing downtime

Contact Our Specialists Today: +86 510 8562 6800

Recommendations for anticorrosive coatings for steel structures in atmospheric corrosion environments >>

ZD83-02 Silver zinc rich

ZDW6810-Z1550

Waterborne epoxy zinc-rich primer ZD5080

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