{"id":12443,"date":"2026-02-19T15:07:36","date_gmt":"2026-02-19T15:07:36","guid":{"rendered":"https:\/\/www.gei-gitterroste.de\/?page_id=12443"},"modified":"2026-03-04T11:17:11","modified_gmt":"2026-03-04T11:17:11","slug":"oberflaechenbehandlungen","status":"publish","type":"page","link":"https:\/\/www.gei-gitterroste.de\/en\/oberflaechenbehandlungen\/","title":{"rendered":"Surface Treatments"},"content":{"rendered":"
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Surface Treatments<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Galvanizing <\/u><\/h3>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Hot-dip galvanizing protects steel gratings against corrosion. By immersion in molten zinc at around 450 \u00b0C, gratings become corrosion-resistant and more durable.<\/p>

The reference standard for hot-dip galvanizing is DIN EN ISO 1461<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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Galvanizing \u2013 immersion in molten zinc<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Powder Coating<\/u><\/h3>

A finishing process in which powder paint is applied to the grating and then cured in an oven at 200 \u00b0C<\/b>.<\/p>

Powder coating allows a wide color range and creates uniform, durable finishes on metal gratings (gloss, matte, textured, etc.).<\/p>

It is popular in architecture due to its aesthetic, design-oriented character.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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Grating with red powder coating on the forecourt of a railway station<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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KTL Coating (Cathodic Dip Coating)<\/u><\/h3>

KTL is an industrial coating process that ensures an even paint layer on metal parts.<\/p>

The grating is immersed in a bath of water-based conductive paint and connected as a cathode. Using direct current, pigments migrate to the metal surface, coating the entire immersed part uniformly. The coating is then cured at approx. 180 \u00b0C.<\/p>

KTL is also known as electrophoretic coating<\/b> or cationic electro-dip coating<\/b>.<\/p>

It is widely used in the automotive industry and is also applied in sectors such as aerospace and construction.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Pickling<\/u><\/h3>

Pickling removes impurities through chemical or electrochemical reactions, leaving the surface clean and free of grease and oxide layers. This creates a uniform base surface that ensures good adhesion for subsequent coatings. Benefits include improved corrosion resistance, better surface quality and optimal adhesion of passivation layers or additional coatings.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Passivation <\/u><\/h3>

Passivation is a process that forms a protective layer on the surface of a metal to slow down corrosion. This layer acts as a barrier between the metal and its environment, protecting it from external influences.<\/p>

Passivation not only improves corrosion resistance but also enhances the appearance of gratings.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Anodizing (Anodic Oxidation) <\/u>Anodische Oxidation)<\/u><\/h3>

A specific surface treatment for aluminum.<\/p>

Anodizing forms an oxide layer on the aluminum grating surface (an electrically insulating layer of 5 to 50 micrometers<\/b>).<\/p>

This process increases resistance to wear, corrosion and heat. Colored anodizing in accordance with the EURAS color chart<\/b> is also possible.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Electropolishing <\/u><\/h3>

A specific surface treatment for stainless steel.<\/p>

This process simultaneously polishes and passivates the stainless steel grating.<\/p>

Electropolished (or polished) stainless steel obtains a smooth surface with particularly high corrosion resistance.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Benefits of Each Surface Treatment<\/u><\/strong><\/h2>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Surface Treatments<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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Benefits<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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KTL dip coating<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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Protects against corrosion and provides good mechanical and chemical resistance<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Galvanizing<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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Increases impact resistance and corrosion resistance<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Powder Coating<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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Creates an attractive, durable protective layer; multiple colors available<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Pickling<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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Removes rust, mill scale and other surface residues<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Passivation<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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Creates a clean, corrosion-resistant surface<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Anodizing<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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Improves wear and corrosion resistance of aluminum grating<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Electropolishing<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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Provides a smooth, corrosion-resistant stainless steel surface<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Oberfl\u00e4chenbehandlungen Verzinkung Die Feuerverzinkung von Stahlrosten dient dem Schutz vor Korrosion. Durch das Eintauchen in eine Zinkschmelze bei ca. 450\u00a0\u00b0C werden die Gitterroste korrosionsbest\u00e4ndig und haltbarer. Ma\u00dfgeblich f\u00fcr die Durchf\u00fchrung der Feuerverzinkung ist die Norm DIN EN ISO 1461. Verzinkung – Eintauchen in eine Zinkschmelze Pulverbeschichtung Endbearbeitung, bei der Pulverlack auf den Rost aufgetragen und […]<\/p>\n","protected":false},"author":8,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-12443","page","type-page","status-publish","hentry"],"yoast_head":"\nMa\u00dfgeschneiderte Behandlung f\u00fcr industrielle Gitterroste | GEI Gitterroste<\/title>\n<meta name=\"description\" content=\"Hersteller von ma\u00dfgeschneiderten Gitterrosten mit einer auf Ihr Projekt abgestimmten Behandlung. 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