Industrial Coating Solutions for Wind Power-ZINDN

SOLUTIONS

Industrial Coating Solutions for Wind Power

Wind Power

The Necessity Of Anti-corrosion For Wind Power Equipment

Wind turbines face extreme operating conditions, including persistent strong winds (Beaufort scale 4+), sand abrasion, intense UV exposure, and temperature extremes from freezing storms to scorching heat. Coastal installations additionally endure corrosive salt spray, demanding robust anti-corrosion solutions to ensure structural integrity while minimizing maintenance.

Zindn's Cold Galvanizing Compound Series provides engineered protection specifically for wind energy applications, delivering:
• 20+ years of corrosion resistance
• Complete environmental protection (sand, UV, moisture, salt spray)
• Wide temperature tolerance (-40°C to +120°C)
• Significant maintenance reduction

Wind Power Equipment Coating Reference System >>

Environment	Location	Coating Grade	Protection Plan	Road Number	Thickness(μm)	Total Dry Film Thickness(μm)
I: Inland cities and industrial atmospheric environment, moderate SO2 pollution	Outer surface of wind turbine tower/outer surface of engine room	C3	Secondary surface treatment	Sandblasted to Sa2.5 level, surface roughness is Rz 50～80µm
			Cold galvanizing compound	1	50	180
			Intermediate paint	1	80
			Polyurethane finish	1	50
	The inner surface of the wind turbine tower/the inner surface of the nacelle	C3	Secondary surface treatment	Sandblasted to Sa2.5 level, surface roughness is Rz 50～80µm
			Cold galvanizing compound	2	80	180
			Intermediate paint	1	100	180
Ⅱ: Inland cities and industrial atmospheric dust environment, moderate SO2 pollution	Outer surface of wind turbine tower/outer surface of engine room	C3-Sandstorm	Secondary surface treatment	Sandblasted to Sa2.5 level, surface roughness is Rz 50～80µm
			Cold galvanizing compound	1	50	300
			Intermediate paint	2	200
			Polyurethane finish	1	50
	The inner surface of the wind turbine tower/the inner surface of the nacelle	C3	Secondary surface treatment	Sandblasted to Sa2.5 level, surface roughness is Rz 50～80µm
			Cold galvanizing compound	2	80	180
			Intermediate paint	1	100	180
Ⅲ: Industrial areas and coastal areas with moderate salinity	Outer surface of wind turbine tower/outer surface of engine room	C4	Secondary surface treatment	Sandblasted to Sa2.5 level, surface roughness is Rz 50～80µm
			Cold galvanizing compound	1	50	220
			Intermediate paint	1	120
			Polyurethane finish	1	50
	The inner surface of the wind turbine tower/the inner surface of the nacelle	C3	Secondary surface treatment	Sandblasted to Sa2.5 level, surface roughness is Rz 50～80µm
			Cold galvanizing compound	2	80	180
			Intermediate paint	1	100	180
Ⅳ: Industrial areas with high humidity and harsh atmospheric environment, coastal areas with high salinity	Outer surface of wind turbine tower/outer surface of engine room	C5	Secondary surface treatment	Sandblasted to Sa2.5 level, surface roughness is Rz 50～80µm
			Cold galvanizing compound	1	60	320
			Intermediate paint	2	200
			Polyurethane finish	1	60
	The inner surface of the wind turbine tower/the inner surface of the nacelle	C4	Secondary surface treatment	Sandblasted to Sa2.5 level, surface roughness is Rz 50～80µm
			Cold galvanizing compound	1	60	260
			Intermediate paint	2	200	260
Ⅴ：Marine atmosphere	Outer surface of wind turbine tower/outer surface of engine room	CX	Secondary surface treatment	Sandblasted to Sa2.5 level, surface roughness is Rz 50～80µm
			Cold galvanizing compound	1	60	340
			Intermediate paint	1	220
			Polyurethane finish	1	60
	The inner surface of the wind turbine tower/the inner surface of the nacelle	C4	Secondary surface treatment	Sandblasted to Sa2.5 level, surface roughness is Rz 50～80µm
			Cold galvanizing compound	1	60	260
			Intermediate paint	2	200	260
	Flange		Cold galvanizing compound	2	80~120
	Flange bolt hole		Cold galvanizing compound	2	80~120
	Fastener		Cold galvanizing compound	2	80~120
	Platform		Cold galvanizing compound	2	80~120

Wind Power Equipment Maintenance Coating Reference System >>

Examples Of Painted Parts	Protection Plan	Road Number	Thickness(μm)
Bolts and flanges	Surface pretreatment	Sandblasting and rust removal reach Sa2.5 level
Bolts and flanges	Cold galvanizing compound primer	1	80-120
Tower	Surface pretreatment	Sandblasting and rust removal reach Sa2.5 level
	Cold galvanizing compound primer	1	80
	Epoxy Mica Intermediate Paint	1	60-80
	Fluorocarbon topcoat	1	60

Wind Power Industry Coating Cases

Xinjiang Wind Power Project

Shanghai GIBO Solar Energy Project in Australia

Goldwind Technology Xiangshui 2.5 kW Intertidal Project

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