Our line of trivalent chromium based passivations are hexavalent chromium free and comply with current ELV, RoHS and REACH regulations. These products can provide a trivalent passivation layer that is clear, blue, yellow, black or iridescent.
Technical Data Sheets, SDS, Process Approvals, Troubleshooting Guides and Applicator Approvals
Product Info-
COLDIP® NI-Z Clear 250
Unique Trivalent passivating conversion coating for electroplated zinc-nickel alloys. Imparts an aesthetically pleasing clear, colorless conversion coating which when applied properly will produce a finish that exceeds 250 hours of neutral salt spray to white corrosion products.
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COLDIP® MIDNIGHT 1500
Latest generation trivalent black passivate for zinc plating. Easy-to-use process with a simple three-part system which allows for maximum color control and provides a consistent black appearance. The passivate works well over alkaline cyanide-free zinc and zinc-iron/cobalt alloy deposits.
COLDIP® Midnight 1500 Features and Benefits Sheet
COLDIP® Midnight 1500 selected as Products Finishing Innovator
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COLDIP® NI-Z SAPPHIRE 400
High-corrosion resistant bright blue trivalent passivate for use in the rapidly growing Zinc Nickel (ZnNi) electroplating Industry. Imparts an aesthetically pleasing blue-bright conversion coating which, when applied properly, will produce a finish that exceeds 400 hours of neutral salt spray to white corrosion products.
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SpectraMATE® 25
High performance trivalent passivation for use over zinc electroplated deposits. Gives a slightly iridescent appearance and extremely high corrosion resistance. Wide operating ranges for ease of use and ambient operating temperature. This product contains cobalt.
SpectraMATE® 25 Features + Benefits Sheet
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COLDIP® NI-Z Black Diamond 500
Unique trivalent black conversion coating for electroplated zinc-nickel alloy. Ideal for both rack and barrel installations using alkaline and acid-nickel deposits. Produces a uniform, gloss-black, scratch-resistant finish and works over a very wide nickel alloy content range of 11% – 17%. Achieves over 400 hours to white corrosion and over 1,000 hours to red rust when sealed with Columbia Chemical sealer.
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COLDIP® TRI-V 121
Trivalent blue passivation for use over zinc electroplated deposits. Suggested for high corrosion resistance requirements where an additional sealer or topcoat may not be used. This product contains cobalt.
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COLDIP® TRI-V YELLOW CONVERTER
Concentrated liquid dye that provides an intense yellow-gold color. Added directly to trivalent clear or blue passivations to give a trivalent yellow coating over zinc electroplated deposits.
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COLDIP® TRI-V
Economical trivalent blue passivation for use over zinc electroplated deposits. Operates at a low product concentration with high tolerance to trace impurities. Provides minimal corrosion resistance and does not contain cobalt.
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COLDIP® TRI-V 120
Trivalent blue passivation for use over zinc electroplated deposits needing medium to high corrosion resistance. Flexible operation allows for adjustable immersion time and product concentration. This product contains cobalt.
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COLDIP® TRI-V 200 UB
“Ultra-Blue” trivalent passivation for use over zinc electroplated deposits. Provides high corrosion resistance and color intensity on acid or alkaline zinc deposits. Flexible operation allows for use in a wide variety of plating installations.
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COLDIP® TRI-V 400 CL
Economical trivalent clear passivation for zinc and zinc alloy electroplated deposits. Provides low to medium corrosion resistance and minimal zinc plate dissolution. This product contains cobalt.
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COLDYE YELLOW 100
Concentrated liquid dye that provides an intense yellow-gold color. Added directly to trivalent clear or blue passivations to give a trivalent yellow coating over zinc electroplated deposits.
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COLDIP® TRI-V ZnNi TRUE BLUE 1000
Trivalent blue bright passivation for use over zinc-nickel electroplated deposits. One component system for ease of use that that provides additional corrosion resistance to the underlying alloy deposit. This product does not contain cobalt.