Cookson Electronics


Enthone Auto

Process
Aluminum Substrate Preparation
Plating on Plastics - Substrate Preparation
Electroless Nickel Plating
Copper Electroplating
Zinc/Zinc Alloy Electroplating
Nickel Electroplating
Chrome Electroplating
Passivates - Zinc/Zinc Alloy
Sealants

Aluminum Substrate Preparation


Cleaners
Product
Powder
Liquid
Complexor
Phosphate
Silicate
Emulsifying
Displacement
Features/Benefits
Soak Clean
Ideal for mild, non-etch cleaning of aluminum. Because no silicates are present in the cleaner, no residual siliceous films remain to cause non-uniform anodized or conversion coatings.
Aqueous, biological cleaning system that consumes and eliminates oils and soils. Oils and soils are converted into inert organic material, carbon dioxide and water. The cleaner is continuously regenerated to maintain optimum cleaning efficiency. Surfactants are biodegradable.
Etch
Acidic etch is especially effective for difficult to plate alloys. Ideal for applications where minimal dimensional changes and maximum reflectivity are required.
Non-scaling alkaline cleaner produces a fine, uniform etch that ensures pristine surfaces for subsequent plating operations.
Heavy etch produces fine, uniform etch. Ideal for etching aluminum prior to anodizing, electroplating, and chromate conversion coatings.

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Activators
Product Features/Benefits
Chelator-free cleaner/oxidizer is ideal for removing smuts and oxides in alkaline solutions. A proven alternative to a tri-acid, the resulting aluminum surface is highly active for subsequent processing.
Crystalline, acidic, fluoride-containing activator used for etching aluminum, rapid removal of siliceous films from steel, as well as the pickling of titanium, stainless steel and magnesium alloys.
Strike
Electroless nickel strike solution produces a very thin, uniform, active nickel layer. Enables EN to be plated with excellent adhesion.
Strip
Monopersulphate-based powder formulation features a high copper-holding capacity that generates superior microetch at greatly reduced operating costs. Yields superior surface topography suitable for optimum resist bonding.
Zincate
Zincate process for plating electroless nickel on aluminum. Economical to use, the cyanide-free process eliminates the cost of waste treatment. Free rinsing. Ideal for plating screws threads, blind holes, grooves and porous castings.
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Plating on Plastics - Substrate Preparation

The UDIQUE® colloidal pre-treatment process is designed to prepare plastic substrates for subsequent copper, nickel, chromium, or gold electroplating. It is the preferred pretreatment in a broad range of automotive, appliance, jewelry, and consumer hardware applications.

The UDIQUE process consists of the following steps: etching to render the plastic surface hydrophilic and create a bonding surface; neutralization to eliminate hexavalent chromium; activation to provide catalytic sites for subsequent electroless deposition; acceleration to further enhance catalytic activity; and electroless plating to deposit a continuous, conductive coating that is well-bonded to the plastic surface. Because UDIQUE is a system, the entire pretreatment process delivers performance superior to "home brews" and mix-and-match formulations. This also makes conversion to the UDIQUE process fast and economical.

UDIQUE operates with a very wide operating window. This makes the process easy to control. It also minimizes "skips" in the pre-plate and eliminates high current density "burns" for fewer rejects. UDIQUE users also report reduced plating costs, increased production, and lower rack maintenance costs.


Colloidal Activation
Process Cycle
Neutralize
Acceleration
Electroless Nickel
Acid Copper Strike
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Electroless Nickel Plating


Product Application Features/Benefits
Corrosion resistant High Phosphorus, Lead-free, Long Life
A revolutionary new "long life", high phosphorus electroless nickel technology. Very corrosion resistant and ductile deposits passing the Nitric acid test. Corrosion resistant deposits maintain internal compressive stress upto 20 MTO's. High productivity process with consistent performance and stability. Suitable for endless, consistent operation with ENfinity Steady State technology. Conforms with ELV, RoHS and WEEE directives. Available in Europe and Asia.
Wear resistant, Low Phosphorus, Cadmium and Lead-free, Long Life
High as plated hardness, wear resistant long life EN. 700 HV (Vickers) without heat treatment. High productivity process operating at low Temperature. Semi bright deposits maintain internal compressive stress upto 20 MTO's. Suitable for endless, consistent operation with ENfinity Steady State technology.
Mid Phosphorus
Cadmium and Lead-free
Long Life
High productivity process with consistent performance and stability. Wide range of application particular suitable for EN on Aluminum. Bright deposits maintain internal compressive stress upto 20 MTO's. Suitable for endless, consistent operation with ENfinity Steady State technology.The process has the unique capability to produce deposits within a phosphorus content range of 7.5 to 10%. To view and download a fact sheet, click here.
Continuous, Automatic Operating System for ENfinity® Electroless Nickel
Engineered for exclusive use with Enthone's patented ENfinity platform of extended life electroless nickel processes. ENfinity SteadyState provides a simplified, low cost means to achieve consistent process operating conditions and deposit properties that will provide improved process performance and reduce customer operating cost. The ENfinity SteadyState operating system further enhances the consistent deposit properties and extended operating life achieved with ENfinity electroless nickel products by offering automatic process control with an infinite operating solution life.
Corrosion resistant, High Phosphorus. Lead-free
Lead-free, high speed EN process meets industry initiatives such as the End-of-Life Vehicle Directive (ELV), the European Union’s Reduction of Hazardous Substances (RoHS), and the Waste from Electrical and Electronic Equipment (WEEE). Excellent stability and consistent plating rate. Offers an exceptional operating flexibility and a wide operating window. Very corrosion resistant and ductile deposits passing the Nitric acid test
Mid Phosphorus, Cadmiun and Lead-free
Cadmium and lead-free, high speed EN process meets industry initiatives such as the End-of-Life Vehicle Directive (ELV), the European Union’s Reduction of Hazardous Substances (RoHS), and the Waste from Electrical and Electronic Equipment (WEEE). Excellent stability and consistent plating rate. Offers an exceptional operating flexibility and a wide operating window.
Low friction, PTFE Composite in High Phosphorus EN matrix
An electroless nickel composite plating process that incorporates PTFE (polytetrafluoroethylene) at 20 to 25% by volume as occluded particles in the plated deposits. This unique plating process is specially designed to produce a consistent amount of uniformly dispersed PTFE throughout the nickel matrix in order to insure optimum performance.
Wear resistant and low friction, Poly Alloy EN
Nickel-cobalt-phosphorus EN process provides dry lube wear resistance. Ideally suited for high sliding wear applications.
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Copper Electroplating


Acid Copper
Product Features/Benefits
High brightness acid copper process is ideally suited where exceptional throwing power and consistent, high levelling properties are required. Superior additive stability reduces downtime. Provides brilliant ductile deposits. Also available in a dye-free formulation.
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Alkaline Copper
Product Features/Benefits
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Zinc/Zinc Alloy Electroplating


Product Application Features/Benefits
Acid
Barrel
Single-component replenishment zinc process provides outstanding brightness, improved thickness distribution and optimum plating speed.
Rack
Potassium chloride zinc plating system designed for use at higher temperature and lower metal ranges than conventional chloride zincs. Operational ranges provide faster deposition rates and superior metal distribution. Higher temperature operation reduces solution growth problems that can occur in low temperature zinc solutions, provides cost savings by eliminating the need for cooling and reduces loading of waste treatment systems.
Rack/Barrel
Two-component, bright acid zinc process delivers exceptional deposit thickness distribution, high plating speeds and outstanding coverage in deeply recessed areas. Available in Asia and Europe.
Rack/Barrel
Bright acid zinc process consistently provides the high productivity of a water-soluble process, while maintaining superior distribution and deposit properties at any chloride level. This results in a substantial increase in productivity and a dramatic decrease in zinc plating costs. ENTHOBRITE CLZ-970 delivers improved plate distribution and optimized metal efficiency. The process is specially formulated for continuous, high throughput operations. The process has a high temperature tolerance that can operate as a potassium chloride, ammonium chloride or mixed system. ENTHOBRITE CLZ-970 possesses a high cloud that will not decline over time due to additive breakdown products.
Alkaline
Rack/Barrel
Non-cyanide zinc provides excellent distribution over a broad current density range. Delivers ductile, level zinc deposits. Simplified waste treatment.
Nickel
Rack/Barrel
Ammoniated, bright zinc-nickel alloy process formulated to provide a corrosion resistant deposit on ferrous coatings. Produces decorative and functional, fine grained or bright deposits that exhibit excellent hardness, thermal resistance, abrasion resistance and adhesion of subsequent paint finishes.
Rack/Barrel
Potassium chloride based zinc-nickel alloy process produces functional coatings containing 12 - 16% nickel. Produces fine grained deposits with a cathode efficiency of close to 100%.
Rack/Barrel
Alkaline non-cyanide zinc-nickel electroplating process provides superior thermal and corrosion protection compared to conventional zinc deposits of equal thickness. Produces deposits that readily accept clear, iridescent, and black chromate conversion coatings.
Cobalt/Iron
Rack/Barrel
Alkaline non-cyanide zinc and zinc alloy electroplating process produces bright ductile deposits which readily accept bright blue, iridescent, bronze and black chromate conversion coatings on both conventional zinc and zinc alloy deposits. When properly chromated, the alloy deposit provides up to three times the corrosion protection versus conventional zinc deposits of equal thickness. Zinc alloy deposits are very ductile and exhibit excellent corrosion resistance after post-plate forming.
Cobalt (Acid)
Rack/Barrel
High corrosion resistant, potassium chloride based zinc cobalt provides up to three times the corrosion protection available from zinc deposits of equal thickness. Bright, ductile deposits readily accept chromate conversion coatings.
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Nickel Electroplating


Nickel
Product Application Features/Benefits
Color Nickel
Black nickel process produces a wide variety of decorative deposits ranging from uniform black to dark gray. Deposits are easily highlighted to produce an antique bronze, brass, copper or pewter finish.
Color Nickel
Electrolytic black nickel-zinc process produces true black alloy deposits on steel and nickel. Reproducible black finishes from matte to high gloss. Cyanide-free process.
Bright
Bright nickel, index process features outstanding ductility. Exhibits excellent deposit properties in high thickness applications. Low sodium and chloride chemistry make it ideal for closed-loop operations. Superior leveling and brightness is achieved over a wide variety of current density plating ranges.
Microporous
Nickel
Advanced nickel process offered as part of an Enthone® nickel-chromium plating system. Delivers unsurpassed corrosion protection, while enabling consistent and reproducible microporous deposits uniformly across the chromium surface. Specially formulated for automotive applications, the final decorative nickel-chrome composite coatings provide the highest level of assurance in predicting corrosion performance on an array of parts plated for exterior automobile applications. Processes also available for other decorative applications such a hardware, lighting and plumbing accessories. Other DUR-NI processes are also available for other decorative applications such a hardware, lighting and plumbing accessories.
Semi-Bright
Provides an initial semi-bright deposit when duplex nickel plating. Deposits are virtually sulfur-free, well levelled, and very ductile. The process is suitable for use with cathodic or air agitation.
Bright
Non-index bright nickel processes for rack plating produce highly brilliant, consistently ductile deposits. "Skinny Nickel" processes require less thickness to achieve full brightness. The GS 6 process (available in Asia and Europe) is formulated for metal plating applications where high levelling properties are required. The LS 1 process is formulated for plating on plastics applications that require highly ductile deposits.
Bright Nickel-Iron
Nickel-iron alloy plating process provides well leveled, whiter and more ductile deposits than conventional nickel processes. Due to its reduced nickel content, NIRON offers substantially lower operating costs. The process delivers crack-free, ductile deposits that are easy to over plate with chromium. No equipment modification is required.
Satin Nickel
Satin nickel processes produce uniform, smooth, satin finishes on steel, copper, and copper alloys over a broad current density range. The PEARLBRITE processes offer the flexibility to produce an attractive, unique finish ranging from satin bright to full matte. PEARLBRITE satin nickels may be overplated with gold, black nickel, silver, chrome, ruthenium, or other coatings to produce a variety of beautiful finishes. It is also an ideal choice for adding a satin finish to a variety of plastics....
High Sulfur
Produces a high-activity nickel strike layer between sulfur-free semi-bright and bright nickel layers of a duplex nickel or NIRON system.
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Chrome Electroplating


Chromium Plating
Product Application Features/Benefits
Decorative Chrome
Hexavalent decorative plating process offers high deposition rates, uniform deposits and exceptional corrosion and wear resistance. Process is formulated for use under a wide range of current densities and temperatures that enable simplified operation.
Hard Chrome
High efficiency process with minimized substrate etching. Superior hardness, corrosion and wear resistance.
Decorative Chromium Alternative
Revolutionary alloy plating process designed to replace decorative chromium on bright nickel plated parts.
Trivalent Chromium
TRICROLYTE IV is ideally suited for decorative applications to plate on top of nickel, nickel-iron or white bronze. The process provides slightly dark chromium layers. Plated on satin nickel specific designs are possible. Process is also suited for discontinuous layer systems (microporous/ micro-cracked nickel).
Trivalent Chromium
Produces a dark, lustrous coating that is ideally suited for a diversity of decorative automotive (e.g. door handles, grill, exterior molding) and household (e.g. lighting, cabinet hardware, furniture, appliance, sanitary fixtures) applications where fashion finishes are critical to product differentiation. The “warm” color provides a distinctive finish for interior applications. Click here.
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Passivates - Zinc/Zinc Alloy


Product Color Features/Benefits
Trivalent
Black
Passivate for zinc-nickel alloy coatings with a nickel content of 13-16 %. The passivate provides a uniform, deep black appearance on both rack and barrel plated components that meets both functional and decorative requirements.

To achieve optimum corrosion protection and ensure NSS resistance, PERMA PASS 7200 is used in combination with an Enthone ENSEAL® sealant.
Blue
Suitable for producing a conversion coating on all types of zinc deposits. Clear, uniform appearance.
Transparent/Iridescent Blue
Produces light colored passivate layers that are clear without clouds or staining. The room temperature process delivers more than 200 hours corrosion protection in neutral salt spray to white rust on rack-plated parts.
Iridescent/Yellow
Thick layer passivate possesses exceptionally high corrosion resistance. Suitable for producing a conversion coating on all zinc and most zinc alloy deposits.
Black
Produces a black conversion coating on rack and barrel plated zinc-iron, zinc-cobalt or zinc-cobalt-iron deposits. Used in combination with ENSEAL sealants, the process is a direct replacement for hexavalent black chromates. Meets the ELV Directive to eliminate hexavalent chromates from corrosion resistant finishes.
Blue/Bright
Exceptional corrosion resistance. Well suited to meet automotive industry standards when used with ENTHOBRITE or ZINCROLYTE zinc and an ENSEAL sealant.
Blue/Bright
Yellow
Cobalt-free process meets the ELV directive to eliminate hexavalent chromates. Ideally suited for rack, barrel, strip or reel-to-reel applications. Compatible with aqueous ENSEAL sealants, which may be applied over the passivate to enhance corrosion performance. Provides an excellent hexavalent chromium-free base for polyvinyl fluoride (PVF) coatings. When used with PERMA PASS YELLOW DYE, the passivate produces a uniform, green-to-yellow passivate film ideally suited for a diversity of non-automotive applications.
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Sealants


Product Features/Benefits
Water-based sealant for trivalent passivates over zinc and alloys provides exceptional corrosion protection. Applied by immersion, it may be used alone over PERMA PASS trivalent chromium passivates or together with ENSEAL 120 as a double layer system. Coefficient of friction range 0.12 to 0.15.
Water-based inorganic sealant for trivalent or hexavalent passivates over zinc and alloys. Compatible with brake fluid, the sealant delivers the same superior properties when used separately over trivalent chromium passivates or in combination with ENSEAL 110.
Water-based for zinc and alloys. Coefficient of fiction range 0.08 to 0.10.
Water-based for zinc and alloys. Coefficient of fiction 0.13 to 0.15.
Clear, inorganic, hard sealant for yellow and blue passivate films on zinc and zinc alloys.
Water-based, clear, ceramic seal for zinc alloys. Coefficient of fiction range 0.13 to 0.15. Rack or barrel applications.
Water-based, clear, ceramic seal. Coefficient of fiction range 0.16 to 0.18.
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