Process	Hot dipping
	Hot-dip deposition is used to increase corrosion and wear resistance. Coatings of all low melting-point metals and alloys (which can be melted without undesirably changing the substrate) are deposited. The process is carried out by immersing a pre-treated (cleaned, etched, etc.) substrate in a bath of molten metal or alloy for a specific time (from 0,5 to 5 minutes). Limitations are the melting temperature of the coating metal (less than 1300 C), the difference of melting-points between the coating material and the substrate, the brittleness of the coating layers, and the shape of the substrate (no small openings.)
Danish Name	Varmforzinkning
Category	Surface processes, plating
Materials	Coating materials: Aluminium Zinc Tin Lead Substrates: Metals
Typical products	Radiator
References	DOT - Dansk Overflade Teknik A/S Nordisk Förzinkningsförening Siegener Verzinkerei GmbH
Price notes	About 4 DKK/kg substrate
Price date	November 1996
Photo	Thomas Nissen (Computer graphics)
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