{"id":612,"date":"2025-06-26T16:43:21","date_gmt":"2025-06-26T16:43:21","guid":{"rendered":"https:\/\/www.hazisa.com\/tipos-de-acabados-de-zincado\/"},"modified":"2025-11-10T17:05:53","modified_gmt":"2025-11-10T17:05:53","slug":"types-of-finish","status":"publish","type":"page","link":"https:\/\/www.hazisa.com\/en\/types-of-finish\/","title":{"rendered":"Types of finish"},"content":{"rendered":"

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Our processes<\/h2><\/div>
TYPES OF FINISH<\/div><\/div>[\/vc_column][\/vc_row][vc_row equal_height=”yes” content_placement=”top” css=”.vc_custom_1571477891398{padding-top: 70px !important;padding-bottom: 50px !important;}”][vc_column css=”.vc_custom_1571477821281{padding-bottom: 30px !important;}”]
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At Hazisa, we specialise in alkaline electrolytic frame galvanising<\/h2><\/div><\/div>
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We specialise in alkaline zinc electroplating processes, o\u2000ering tailored solutions through various passivation options and post-treatments. We guarantee optimal protection against corrosion and a high-quality finish for metal parts in demanding environments.<\/p>\n

Passivations are processes whereby electrolytically treated metal surfaces are given increased corrosion resistance by means of Cr III-based protective coatings applied through a non-electrolytic chemical immersion process.<\/p>\n

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Passivation methods vary according to the level of corrosion protection and the desired cosmetic finish.<\/p>\n

The properties of passivation can be improved by the application of a sealant. These top coats provide not only increased corrosion protection, but also a more uniform surface finish.<\/p>\n

There are various passivation options, suited to each type of finish, all of which are Cr VI-free.<\/p>\n

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Zinc-plated without passivation.<\/h2><\/div>
Zinc coating without subsequent passivation.<\/strong><\/p>\n

Unpassivated zinc plating is a process in which metal parts are coated with a layer of zinc to protect them from corrosion, but without any additional passivation treatment. This type of coating provides basic protection against rust.<\/div><\/div>[\/vc_column][vc_column css=”.vc_custom_1751036230677{padding-top: 170px !important;padding-right: 50px !important;padding-bottom: 170px !important;padding-left: 50px !important;background: #ececec url(https:\/\/www.hazisa.com\/wp-content\/uploads\/2025\/06\/hazisa-zincado-sin-pasivar.jpg?id=536) !important;background-position: center !important;background-repeat: no-repeat !important;background-size: cover !important;}” offset=”vc_col-lg-6 vc_col-md-6 vc_col-xs-12″][\/vc_column][\/vc_row][vc_row full_width=”stretch_row_content_no_spaces” equal_height=”yes” content_placement=”top” el_class=”reverse-row-on-mobile”][vc_column css=”.vc_custom_1751036339069{padding-top: 170px !important;padding-right: 50px !important;padding-bottom: 170px !important;padding-left: 50px !important;background-image: url(https:\/\/www.hazisa.com\/wp-content\/uploads\/2025\/06\/hazisa-zincado-pasivado-azul.jpg?id=538) !important;background-position: center !important;background-repeat: no-repeat !important;background-size: cover !important;}” offset=”vc_col-lg-6 vc_col-md-6 vc_col-xs-12″][\/vc_column][vc_column css=”.vc_custom_1571482011322{padding-top: 70px !important;padding-right: 50px !important;padding-bottom: 70px !important;padding-left: 50px !important;background-color: #ececec !important;}” offset=”vc_col-lg-6 vc_col-md-6 vc_col-xs-12″]

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Blue passivated zinc plating<\/h2><\/div>
CrVI-free thin film. Silver-bluish appearance.<\/strong><\/p>\n

CrVI-free blue passivation is a treatment applied after electrolytic zinc plating to provide corrosion resistance without the use of hexavalent chromium, in compliance with current environmental regulations. This process creates a bluish protective layer that increases the durability of the coating.<\/div><\/div>[\/vc_column][\/vc_row][vc_row full_width=”stretch_row_content_no_spaces” equal_height=”yes” content_placement=”top”][vc_column css=”.vc_custom_1571482000254{padding-top: 70px !important;padding-right: 50px !important;padding-bottom: 70px !important;padding-left: 50px !important;background-color: #2e2b36 !important;}” offset=”vc_col-lg-6 vc_col-md-6 vc_col-xs-12″]

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Passivated iridescent zinc plating<\/h2><\/div>
CrVI-free thick film (ECOTR\u00cd), with an iridescent appearance and the possibility of including a subsequent sealing to increase its resistance to corrosion.<\/strong><\/p>\n

Thick film iridescent passivation (Ecotri) provides superior protection, ideal for demanding applications in corrosive environments, extending the life of metal parts without the use of hexavalent chromium.<\/div><\/div>[\/vc_column][vc_column css=”.vc_custom_1751393786766{padding-top: 170px !important;padding-right: 50px !important;padding-bottom: 170px !important;padding-left: 50px !important;background: #ececec url(https:\/\/www.hazisa.com\/wp-content\/uploads\/2025\/06\/hazisa-zincado-pasivado-capa-gruesa.jpg?id=546) !important;background-position: center !important;background-repeat: no-repeat !important;background-size: cover !important;}” offset=”vc_col-lg-6 vc_col-md-6 vc_col-xs-12″][\/vc_column][\/vc_row][vc_row full_width=”stretch_row_content_no_spaces” equal_height=”yes” content_placement=”top” el_class=”reverse-row-on-mobile”][vc_column css=”.vc_custom_1751036518336{padding-top: 170px !important;padding-right: 50px !important;padding-bottom: 170px !important;padding-left: 50px !important;background-image: url(https:\/\/www.hazisa.com\/wp-content\/uploads\/2025\/06\/hazisa-zincado-pasivado-negro-sellante.jpg?id=542) !important;background-position: center !important;background-repeat: no-repeat !important;background-size: cover !important;}” offset=”vc_col-lg-6 vc_col-md-6 vc_col-xs-12″][\/vc_column][vc_column css=”.vc_custom_1571482011322{padding-top: 70px !important;padding-right: 50px !important;padding-bottom: 70px !important;padding-left: 50px !important;background-color: #ececec !important;}” offset=”vc_col-lg-6 vc_col-md-6 vc_col-xs-12″]

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Black passivated zinc plating + sealant.<\/h2><\/div>
We use the latest generation of black passivates for alkaline zinc plating.<\/strong><\/p>\n

Sealed black passivated zinc plating is a process that applies a zinc coating followed by black passivation and final sealing, offering excellent corrosion resistance and a uniform dark cosmetic appearance.<\/div><\/div>[\/vc_column][\/vc_row][vc_row full_width=”stretch_row_content_no_spaces” equal_height=”yes” content_placement=”top”][vc_column css=”.vc_custom_1571482000254{padding-top: 70px !important;padding-right: 50px !important;padding-bottom: 70px !important;padding-left: 50px !important;background-color: #2e2b36 !important;}” offset=”vc_col-lg-6 vc_col-md-6 vc_col-xs-12″]

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Thick layer passivated zinc plating + sealant<\/h2><\/div>
Thick film passivate (ECOTR\u00cd), with an iridescent appearance incorporating a post sealing to increase its corrosion resistance.<\/strong><\/p>\n

Trivalent passivated thick film zinc plating with sealant is a highly protective treatment combining a zinc layer with a trivalent chromium passivate and a final sealant. This process complies with environmental regulations and provides even greater corrosion resistance. It is ideal for parts exposed to extreme conditions, ensuring superior durability and finish without the use of hexavalent chromium.<\/div><\/div>[\/vc_column][vc_column css=”.vc_custom_1751393814548{padding-top: 170px !important;padding-right: 50px !important;padding-bottom: 170px !important;padding-left: 50px !important;background: #ececec url(https:\/\/www.hazisa.com\/wp-content\/uploads\/2025\/06\/hazisa-zincado-pasivado-capa-gruesa-mas-sellante.jpg?id=544) !important;background-position: center !important;background-repeat: no-repeat !important;background-size: cover !important;}” offset=”vc_col-lg-6 vc_col-md-6 vc_col-xs-12″][\/vc_column][\/vc_row][vc_row gap=”35″ css=”.vc_custom_1751037133213{padding-top: 45px !important;padding-bottom: 45px !important;}”][vc_column]