Zinc / Zinc Alloys

Electrolytic galvanization

Zincatura
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Zinc-Iron

Zinco-Ferro
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Zinc-Nickel

Zinco-Nichel
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Electrolytic galvanization

Zincatura

Electroplating galvanizing is an electrodeposition process of zinc metal by electrolysis.

The material to be treated, after being adequately prepared (degreased, pickled, ballasted, etc.), is immersed in an electrolytic solution containing zinc salts. A current passage is then created between the piece and the solution that deposits the metal zinc on the surface of the workpiece itself.

Following this step, depending on customer requirements, a subsequent passivation treatment can be carried out, useful to increase the corrosion resistance of the zinc deposit and to give colour to the particular item being galvanized.

Below are all the passivations we make:

SURTEC 680, CHROMITING

Passivation for electrolytic galvanizing treatments and zinc alloys. A process that complies with the 2000/53 / CE (RoHS) Directives, 2002/96 (WEEE), slightly iridescent, with high corrosion resistance.

Up to 288 h of salt mist with 7 microns thick, in the absence of white rust (ASTM B117) and without the need for subsequent sealants!

Thermal shock does not adversely affect corrosion resistance (test for 8 h at 120 ° C).

Chromiting is far superior to the standard achieved with chromium-plated yellow and conventional hexavalent green.

Chromiting is the process that has had the greatest number of awards in the automotive industry and boasts the greatest use on an industrial scale.

Electrolytic zinc plating

The zinc-plating is an electroplating process of zinc metal by electrolysis.

The material to be treated, after being properly prepared (degreased, pickled, etc.), is immersed in an electrolytic solution containing zinc salts. It is therefore created an electric passage between the material and the solution that deposit the metallic zinc on the surface of the treated material.

Following this step, depending on the customer requirements, the material can receive a subsequent passivation treatment, which increases the corrosion resistance of the zinc deposit and gives the treated material a particular zinc coloration.

Below are listed all the passivation treatments we perform:

SURTEC 680, CHROMITING

Passivation for zinc electroplating and zinc alloys treatments. A process that complies with EU directives 2000/53 / EC (RoHS), 2002/96 (WEEE), slightly iridescent, with high resistance to corrosion.

Up to 288 h salt spray with 7 micron thickness, in the absence of white rust (ASTM B117) and without need for subsequent sealants!

The thermal shock does not adversely affect the corrosion resistance (test carried out for 8h at 120 ° C).

The chromiting far exceeds the standard achieved by conventional hexavalent green chrome and yellow chrome.

Chromiting is the process that has had the highest recognition in the automotive sector and has the most use on an industrial scale.

SPECTRAMATE 25

Passivation for electrolytic galvanizing treatments and zinc alloys. This process complies with the 2000/53 / EC (RoHS) Directive 2002/96 (WEEE), slightly iridescent, with high corrosion resistance.

Up to 250 h of salt mist with 7 microns thick, in the absence of white rust (ASTM B117) and without the need for subsequent sealants!

Thermal shock does not adversely affect corrosion resistance (test for 8 h at 120 ° C).

SPECTRAMATE 25

Passivation for zinc electroplating and zinc alloys treatments. This process complies with EU Directives 2000/53 / EC (RoHS), 2002/96 (WEEE), slightly iridescent, with high resistance to corrosion.

Up to 250h salt spray with 7-micron thickness, in the absence of white rust (ASTM B117) and without any subsequent sealants!

The thermal shock does not adversely affect the resistance to corrosion (test carried out for 8h at 120 ° C).

LANTHANE TR 175

Passivation for electrolytic galvanizing treatments Alcaline, in compliance with 2000/53 / EC (RoHS) Directive 2002/96 (WEEE), slightly iridescent, with high corrosion resistance.

Up to 350 h of salt mist with 7 micron thick, in the absence of white rust (ASTM B117), contains a silicon part, can be further sealed to greatly increase its strength.

Thermal shock does not adversely affect corrosion resistance (test for 8 h at 120 ° C).

LANTHANE TR 175

Passivation for alkaline zinc plating treatments, which complies with EU directives 2000/53 / EC (RoHS), 2002/96 (WEEE). It is slightly iridescent, with high resistance to corrosion.

Up to 350 h salt spray with 7-micron thickness, in the absence of white rust (ASTM B117), contains silicon particles. It can be further sealed to greatly increase its resistance.

The thermal shock does not adversely affect the resistance to corrosion (test carried out for 8h at 120 ° C).

IRIDIUM Intense yellow

Iridescent for electrolytic galvanizing treatments. The process complies with EU Directives 2000/53 / EC (RoHS), 2002/96 (WEEE). This new passivation offers a resistance to salt spraying to white salts> = 96 h.It is not a paint and does not contain any added colorants, but has very intense yellow colour.

LANTHANE 316 Iridescent CFLa for electrolytic galvanizing treatments. Process compliant with Community Directives 2000/53 / EC (RoHS), 2002/96 (WEEE). This new passivation offers salt resistor resistance to> 96 h salt. It does not contain added dyes and is not a paint. LANTHANE 316 CF Iridescent for zinc electroplating treatments. The process complies with EU Directives 2000/53 / EC (RoHS), 2002/96 (WEEE). This passivation offers a resistance to salt spraying to white salts> = 96 h. It does not contain added colorants and it is not a paint. 

ZN GREEN Iridescent green passivation for electrolytic galvanizing treatments. Process compliant with Community Directives 2000/53 / EC (RoHS), 2002/96 (WEEE). This new passivation offers a white salt saline resistance> = 96 h. It does not contain added dyes and is not a paint. ZN GREEN Green iridescent passivation for zinc plating treatments. The process complies with EU Directives 2000/53 / EC (RoHS), 2002/96 (WEEE). This new passivation offers a resistance to salt spraying to white salts> = 96 h.It does not contain added colourants and it is not a paint.ZN WHITE Colour Classic blue Passivation white, blue for electrolytic zinc processes. Process compliant with Community Directives 2000/53 / EC (RoHS), 2002/96 (WEEE). This passivation offers low resistance, for topical applications it is possible to apply a top coat (up to about 80 / h white oxide) ZN WHITE Blue Classic blue passivation for electrolytic zinc-plating treatments. The process complies with EU Directives 2000/53 / EC (RoHS), 2002/96 (WEEE). This passivation provides a low resistance. For further improvements, it can be applied top coat (up to 80 / h to white oxide) ZN WHITE Colour Intense bluePassing blue colour for electrolytic zinc processes. Process compliant with Community Directives 2000/53 / EC (RoHS), 2002/96 (WEEE). This passivation offers an average resistance with application of sealants (up to 120 h in white oxides) .ZN WHITE Colour Deep Blue Passivation of blue colour for electrolytic zinc-plating treatments. The process conforms to EU Directives 2000/53 / EC (RoHS), 2002/96 (WEEE). This passivation provides a standard resistance with additional application of sealants (up to 120h to white oxide) .ZN NEROPassivation black for electrolytic galvanizing treatments, as per UNI ISO 2081 standard. This process complies with the RoHS Directive 2002/96 / EC (WEEE) .ZN BLACK Black passivation for zinc plating treatments, according to UNI ISO 2081. This process complies with EU Directives 2000/53 / EC (RoHS), 2002/96 (WEEE).

Zinc-Iron

Zinc-Ferro treatment is a zinc electrodeposition process with iron content of between 0.6-0.8% obtained by means of alkaline aqueous solutions with specific additives. It is used for technical purposes in a variety of applications. Compared to pure zinc, it has a higher corrosion resistance.

As in the case of "normal" zinc coating, this process can follow a passivation treatment: black or yellow.

ZINC-IRON

The Zinc-Iron treatment is a zinc electroplating process with iron substance between 0.6-0.8% obtained through alkaline aqueous solutions with specific additives. It is used for technical purposes in various applications. Compared to pure zinc, it has the highest resistance to corrosion.

As in the case of "normal" zinc-plating, this process may follow a passivation treatment: black or yellow.

ZINC-IRON BLACK

This type of treatment provides 8/12 micron thickness and a ferrous corrosion resistance to salt spray (ASTM B117) up to 500h and resistance to white oxide up to 250h.

ZINC-IRON YELLOW

This type of treatment provides 8/12 micron thickness and a ferrous corrosion resistance to salt spray (ASTM B117) up to 700h and to white oxide up to 400h.

Zinc-Nickel

The zinc-nickel process, consist of depositing a binary alloy on the material surface, containing about 11%-16% nickel parts. This treatment ensures maximum corrosion resistance, even with a few microns thickness, and at elevated temperatures (+200°C).

The zinc-nickel process is free from Cr +6 and complies with RoHS (2002/95/EC), ELV (2000/53/EC) and 2003/36/EC. This treatment is approved by major car manufacturers.

This treatment provides a much higher resistance to corrosion in comparison to zinc-plating processes and is used for parts with complex shapes. This is possible thanks to the excellent uniformity of the thickness of the deposit. Exposure to white salts can reach and exceed the 196-240h and the 720-800h for exposure to red rust, according to the relevant standards ASTM B-117, UNI ISO 9227 and DIN 50021 SS.

The main legislations are: FIAT 9.57409, VW TL-244, 13750 VW, BMW GS 90010, OPEL GME 00252, DBL ... 8451, DIN 50979, DIN 50962, CAT 1E0397, BREMBO BDS-11:24, ST_STR_087 Ducati, Moto Morini M40.02 / T and AMS 2417G.

Even in this case, the process can be followed by the application of a black (black) or silver (transparent) passivation treatment.

ZINC-NICKEL BLACK (black)

Zinc-nickel treatment with black colour.

This type of process guarantees a resistance needed in the automobile sector specifications.

After the treatment a layer of sealant can also be applied to increase resistance.

ZINC-NICKEL SILVER (transparent)

Zinc-nickel treatment with grey color.

This type of process guarantees a resistance required in the automobile sector specifications.

After the treatment a layer of sealant can also be applied to increase resistance.

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