Zinc Chromates and Conversion Coatings
Accu-Labs, Inc. has been an industry leader in the research and development of engineered, corrosion-resistant zinc and zinc alloy coatings along with their subsequent chemical conversion coatings that can satisfy the requirements of any application. Our diverse array of products will consistently meet our customers’ expectations in an ever-changing global market. We have pioneered the way in the development of innovative, environmentally “green” brightener additive systems, passivate conversion coating chemistries, and top coat sealants that comply with global OEM requirements. These advancements include the removal of ecologically harmful materials, such as cyanides, hexavalent chromium compounds and other heavy metals providing a new technologically advanced series of products.
CLEAR-BLUE CHROMATE / PASSIVATE:
Accu-Labs 503 Tri-Dip
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Accu-Labs 503 Tri-Dip is an economy, post-plating, single-dip product that provides a brilliant blue, bright passivate conversion coating on electroplated zinc with up to 24 hours of corrosion protection.
Accu-Labs 517-Z
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Accu-Labs 517-Z produces a trivalent chromium, thick film, iridescent passivate conversion coating on electroplated zinc and zinc alloy surfaces with excellent corrosion protection providing up to 250 hours of salt spray to white rust. This product is REACH compliant and does not contain any cobalt or nickel compounds.
Accu-Labs 521
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Accu-Labs 521 is a liquid concentrate that produces a RoHS compliant, iridescent trivalent chromium passivate for zinc alloy, zinc electroplate, and zinc die-castings with 144 – 240 hours of corrosion protection.
Accu-Labs 570
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Accu-Labs 570 is a 100% chromium-free, powdered decorative blue bright conversion coating for zinc plate.
Accu-Labs 607-HC
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Accu-Labs 607-HC is a liquid concentrate that produces a thick film, clear blue trivalent passivate conversion coating on electroplated zinc and zinc alloy surfaces with 96 – 200 hours of corrosion protection.
Accu-Labs 611
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Accu-Labs 611 is a liquid concentrate that produces a mid-range, clear blue trivalent passivate conversion coating on electroplated zinc and zinc alloy surfaces with 72 – 120 hours of corrosion protection.
Accu-Labs 622
Accu-Labs 622 produces a clear blue trivalent passivate conversion coating on electroplated zinc and zinc alloy surfaces with 12 – 24 hours of corrosion protection.
Accu-Labs 622-M
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Accu-Labs 622-M produces a beautiful blue trivalent passivate conversion coating that contains additional additives for increased protection on electroplated zinc and zinc alloy surfaces exceeding 96 hours of corrosion protection. This product does not contain any fluorides and is ideally suited for dye applications.
Accu-Labs 647-M
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Accu-Labs 647-M is a bright blue trivalent passivate for zinc electroplated coatings. Accu-Labs 647-M can be applied prior to hydrogen relief baking to reduce production steps and reduce costs. Accu-Labs 647-M films will provide exceptional corrosion resistance exceeding 96 hours salt spray to white rust.
Accu-Labs 651-M
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Accu-Labs 651-M is a thick film, iridescent-type, trivalent passivate liquid concentrate that is specially formulated to produce a highly polished yellow iridescent conversion coatings on alkaline, chloride, and cyanide zinc plating. Accu-Labs 651-M is non-chelated for easy waste treatment and disposal. Accu-Labs 651-M passivate films provides corrosion resistance exceeding 200 hours of salt spray to white rust without the use of a top coat sealer.
Accu-Labs TZ-9
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Accu-Labs TZ-9 is a highly corrosion-resistant, trivalent chromium blue passivate that will provide up to 96 hours of corrosion protection for zinc.
Accu-Labs Tribrite
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Accu-Labs Tribrite compound is a single-stage, powdered bright dip for zinc plating that provides a blue bright finish without the use of hexavalent chromium compounds.
YELLOW CHROMATE / PASSIVATE:
Accu-Labs 516
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Accu-Labs 516 producea a polished, trivalent yellow passivate for zinc die castings that exceed 72 – 144 hours of corrosion protection.
Accu-Labs 533
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Accu-Labs 533 is a technologically advanced, hexavalent chromate conversion coating offering significantly enhanced salt spray protection. Accu-Labs 533 produces a heavy bronze conversion coating that will withstand in excess of 250 hours neutral salt spray protection in electrodeposited zinc or cadmium.
Accu-Labs 522-JP
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Accu-Labs 522-JP is a hexavalent yellow, iridescent, bright chromate conversion coating for zinc die castings. The chromate coating produced will withstand up to 200 hours of neutral salt spray.
Accu-Labs 523-A Hexavalent Yellow Chromate For Zinc
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Accu-Labs 523-A is a yellow, iridescent, bright liquid chromate conversion coating for electroplated zinc. It produces an exceptionally bright and adherent, iridescent coating on zinc plated work, from all types of zinc plating baths. Excellent adhesion for zinc chloride plated work.
Accu-Labs 622-Y
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Accu-Labs 622-Y is a dyed trivalent, yellow passivate system for zinc plated parts that will provide up to 120 hours of corrosion protection.
Accu-Labs 648-D
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Accu-Labs 648-D is a unique, heavy-film trivalent chromate liquid concentrate is specially formulated to use with Accu-Labs 622-Y to produce a highly polished, yellow iridescent conversion coatings on alkaline, chloride, and cyanide zinc plating. Accu-Labs 648-D is non-chelated, non-complexed, and does not contain any fluorides that might interfere with organic dyes. Accu-Labs 648-D can be applied prior to hydrogen relief baking to reduce production steps and reduce costs. Accu-Labs 647-M films provide exceptional corrosion resistance exceeding 150-250 hours of salt spray to white rust without the use of a top coat sealer.
BLACK CHROMATE / PASSIVATE:
Accu-Labs 560
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Accu-Labs 560 is a two-part liquid concentrate which, when diluted with water, will produce a glossy, jet-black hexavalent chromate conversion coating on all types of zinc plated parts. Accu-Labs 560 coatings give superior corrosion protection up to 96 hours of salt spray to white rust per ASTM B 117.
Accu-Labs BCF
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Accu-Labs BCF is a non-chromium, single-component system that will produce uniform, attractive back color coatings on zinc plated and zinc die casting surfaces. Accu-Labs BCF works well on zinc plating from cyanide, alkaline non-cyanide, and chloride plating processes.
Accu-Labs 518
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Accu-Labs 518 is a single-component, brilliant black trivalent passivate for zinc-nickel alloy plating.
OLIVE DRAB CHROMATE:
Accu-Labs 562
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Accu-Labs 562 is a two-component, “green-brown” Olive Drab System used to produce a smooth, heavy olive drab chromate finish on both zinc and cadmium plated work. Accu-Labs 562 Olive Drab coatings will exceed over 250 hours of corrosion protection and meet government specifications for olive drab finishing.
Accu-Labs 567
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Accu-Labs 567 is a single-component, “green” Olive Drab System used to produce a smooth, heavy olive drab chromate finish on both zinc and cadmium plated work. Accu-Labs 567 Olive Drab coatings provide superior salt spray protection and abrasion resistance and meet government specifications for olive drab finishing. Accu-Labs 567 is an excellent final finish or base for subsequent painting operations.
PASSIVATE SEALS & TOP COATS:
Accu-Labs KSN
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Accu-Labs KSN is an economy, silicate-based, non-hazardous, environmentally safe, top coat sealer used to increase the corrosion protection of passivated and chromated zinc plated parts. Accu-Labs KSN increases the corrosion protection of passivated zinc parts by 50 – 250 hours of salt spray, depending on the type of application and passivate.
Accu-Labs 252
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Accu-Labs 252 Black Sealer is a non-silicate, environmentally safe sealer used to increase the corrosion protection of trivalent black finished zinc and zinc-alloy plated parts. Accu-Labs 252 increases the corrosion protection of black zinc parts up to 50 – 250+ hours of salt spray, depending on the type of application and chromate.
Accu-Labs 254
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Accu-Labs 254 non-silicated sealer is a non-hazardous, environmentally safe sealer used to increase the corrosion protection of passivated zinc plated parts. This product is a low-viscosity solution that leaves a clear transparent film on the finished part. Accu-Labs 254 increases the corrosion protection of chromate zinc parts up to 50 – 250 hours of salt spray, depending on the type of application and passivate.
Accu-Labs 890
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Accu-Labs 890 Integrated Seal is an aqueous sealer additive for trivalent chromium passivate films applied to zinc and zinc alloy deposits. The Accu-Labs 890 formulation consists of stabilized silica nano-particles which, when combined with trivalent chromium films, produce an improved protective finish
Accu-Labs 891
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Accu-Labs 891 is an organo-mineral, concentrated liquid sealer product engineered to produce superior, scratch-resistant top coatings on passivated zinc plated parts, while increasing the overall corrosion protection. The thin film top coating has excellent protective properties which can withstand repeated baking or heating cycles.
Accu-Labs SP-5
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Accu-Labs SP-5 is a non-silicate sealer for all types of trivalent chromates. Accu-Labs SP-5 is formulated with trivalent chromium to provide secondary passivation that extends corrosion protection up to 96 hours to white corrosion on zinc-finished parts.
Accu-Labs SP-10
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Accu-Labs SP-10 is a non-silicate sealer for all types of trivalent chromates. Accu-Labs SP-5 is formulated with trivalent chromium to provide secondary passivation that extends corrosion protection up to 96 hours to white corrosion on zinc finished parts
Accu-Labs TNT Top Coat
Accu-Labs TNT Top Coat is a torque and tension modifier for use on zinc plated deposits.
PASSIVATE SEALS & TOP COATS:
Accu-Labs KSN
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Accu-Labs KSN is an economy, silicate-based, non-hazardous, environmentally safe, top coat sealer used to increase the corrosion protection of passivated and chromated zinc plated parts Accu-Labs KSN increases the corrosion protection of passivated zinc parts by 50 – 250 hours of salt spray, depending on the type of application and the passivate.
Accu-Labs 252
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Accu-Labs 252 Black Sealer is a non-silicate, environmentally safe sealer used to increase the corrosion protection of trivalent black finished zinc and zinc-alloy plated parts. Accu-Labs 252 increases the corrosion protection of black zinc parts up to 50 – 250+ hours of salt spray, depending on the type of application and chromate.
Accu-Labs 254
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Accu-Labs 254 non-silicated sealer is a non-hazardous, environmentally safe sealer used to increase the corrosion protection of passivated zinc plated parts. This product is a low-viscosity solution that leaves a clear transparent film on the finished part. Accu-Labs 254 increases the corrosion protection of chromate zinc parts up to 50 – 250 hours of salt spray, depending on the type of application and passivate.
Accu-Labs 890
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Accu-Labs 890 Integrated Seal is an aqueous sealer additive for trivalent chromium passivate films applied to zinc and zinc alloy deposits. The Accu-Labs 890 formulation consists of stabilized silica nano-particles which, when combined with trivalent chromium films, produce an improved protective finish.
Accu-Labs 891
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Accu-Labs 891 is an organo-mineral, concentrated, liquid sealer product engineered to produce superior, scratch-resistant top coatings on passivated zinc plated parts while increasing the overall corrosion protection. The thin film top coating has excellent protective properties that can withstand repeated baking or heating cycles.
Accu-Labs SP-5
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Accu-Labs SP-5 is a non-silicate, sealer for all types of trivalent chromates. Accu-Labs SP-5 is formulated with trivalent chromium to provide secondary passivation that extends corrosion protection up to 96 hours to white corrosion on zinc finished parts
Accu-Labs SP-10
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Accu-Labs SP-10 is a non-silicate, sealer for all types of trivalent chromates. Accu-Labs SP-5 is formulated with trivalent chromium to provide secondary passivation that extends corrosion protection up to 96 hours to white corrosion on zinc finished parts.
Accu-Labs TNT Top Coat
Accu-Labs TNT Top Coat is a torque and tension modifier for use on zinc plated deposits.
PASSIVATE DYES:
Accu-Labs’ water soluble, organic dye powders and liquids are used to produce a wide variety of color finishes on zinc and zinc alloy chromated / passivated parts. These dye coatings can be used to produce a variety of colors and tints for decorative and for identification applications.