Distek Thermal Diffusion Technologies Zinc Coating

Comparison Between Methods of Zinc Coating

Environmental Considerations	Hot Dip Galvanization	Electrolytic Galvanization	Enriched Paint	Thermal Diffusion Galvanizing (DiSTeK™)
Pretreatment	Grease removal	Rinsing in running water	Rinsing in running water	Minimal pretreatment
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	Rinsing	Oxides removal	Oxides removal
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	Cleaning in chemical bath	Rinsing in running water	Rinsing in running water
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	Flux bath	Electrolytic cleaning	Electrolytic cleaning
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	Drying in furnace	Rinsing in running water	Rinsing in running water
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Coating Applications	Galvanization - open Bath 380°C	Coating in electrolytic bath	Open paint bath	Closed Zinc coating process

Finishing	Rinsing in water	Rinsing in water	Drying in furnace 250°C	Passivation
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	Drying	Activation
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	Finishing	Passivation
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		Rinsing in water
		I
		Drying

Waste Remonal	alkali, acids, anti grease sand	alkali, acids, anti grease sand	alkali, acids, anti grease sand	Minimal