Uyemura International

240 Town Line Rd.
Southington , CT 06489 US


A Message from Uyemura International

Uyemura Reduces Your Precious Metal Costs!

SAVE 88% with Platuna Alloy 1 - Platinum/ruthenium 75/25 alloy replaces palladium. - Perfect for jewelry and decorative use. - The ultimate cost-saving, nickel-free white metal! - Deposits are smooth, ultra-bright and extraordinary abrasion-resistant. - Light white layers are crack-free up to 1 μm. - Wide operating range, excellent process speed.

SAVE 25% with Rhoduna Alloy 1

- World’s first galvanic rhodium alloy - Rhodium brightness + performance - Rhodium / ruthenium alloy has superior durability - Crack-free up to 1 µm More

SAVE 28% with Miralloy

- Industry’s best, low-cost alternative to silver, also palladium and nickel for many applications - Tarnish-free and corrosion resistant - Excellent layer thickness distribution - Ideal diffusion barrier layer - Best option for HF connectors - Nickel-free REACH and RoHS-compliant barrier for gold    More

SAVE 18% with NIPHOS 968 Electrolytic Nickel

- Lower cost than electroless nickel - Produces a bright RoHS finish with corrosion properties equal to EN - Accommodates up to 13% phos - Ideal for high-frequency use - High hardness: up to 1,200 HV after heat treatment - Suitable as final or intermediate layer More

Arguna 630 Hard Silver Gold Replacement

For decorative use, Arguna 630 fine silver electrolyte will deposit thick, bright silver layers; relative to technical applications, it has excellent electrical, bonding and soldering characteristics and a hardness range of 120 HV to 130 HV.

KHW-NC (“no cyanide”)

KHW-NC neutral pH, semi-bright alkaline copper plates directly onto aluminum, and aluminum alloys with less than 1% silicon.

Black Nickel / Ruthenium Plating

BlackNight Produces the deepest black, with exceptional hardness and high density topography.

Organic Nanotechnology Process Preserves Metal Brightness Indefinitely, Allows Reductions in Precious Metal Use

Sealing 691 preserves metal brightness indefinitely, also seals thin gold's inherent porosity Organic nanotechnology process has a short dwell time - as little as 4 seconds, compared to competitive products at approximately 30 seconds – and is ideally suited to reel-to-reel processing.

Electrolytic Palladium

Electrolytic Palladium 457 is suitable for decorative and electronic applications.

MMO Mixed Metal Oxide Anodes

Metal oxide anodes are manufactured from precious iridium and ruthenium oxides, sometimes combined with non-precious tantalum and titanium oxides.

KHW Antique-Nickel

KHW Antique-Nickel deposits a thin, bright layer of nickel the color of anthracite onto copper, brass, nickel, silver or tin.

Auruna 311 Hard Gold Electrolyte

Auruna 311 was engineered for the direct gold plating of tungsten, stainless steel, nickel and other difficult-to-plate substrates.

Arguna 621 Bright Silver Electrolyte

Arguna 621 deposits very light, bright white coatings without a blue cast.

CL Satin Nickel is ideal for automotive applications

CL Satin Nickel produces fine crystalline nickel deposits, even on polished base materials.

ANP Electroless Nickel Plating for Aluminum

Uyemura’s electroless nickel plating for aluminum provides excellent adhesion through at least six MTOs.

Electroless Gold

AuBEL Electroless Gold is a stable, alkaline pH, autocatalytic process which has been used in production for more than 20 years.

REACH Compliance

Ask Uyemura About its European REACH-compliant Solutions from Umicore: Miralloy, Arguna Series, Palluna Series, Rhoduna Series and Sealing 691.

As Seen In Products Finishing

Uyemura's Galvanic Rhodium Alloy Improves Durability

Uyemura's Galvanic Rhodium Alloy Improves Durability
Rhodium coatings have improved durability with deposits being crack-free up to 1 μm.

Uyemura Expands Sales, Distribution In Pacific Region

Uyemura Expands Sales, Distribution In Pacific Region
Ronatec, a supplier of of metal finishing chemicals and equipment to the automotive, aerospace, hardware, and porcelain enameling sectors, has joined the Uyemura distribution network.  

Uyemura Appoints Troy McNulty Midwest Sales Manager

Uyemura Appoints Troy McNulty Midwest Sales Manager
McNulty will focus on Minnesota, Wisconsin, Illinois and Michigan region.

Uyemura's Pat Valentine Earns Degree in Quality Systems Management
Received Doctorate from New England College of Business.

Uyemura Niphos 968 Features Corrosion Resistance
Uyemura will showcase a number of products at SUR/FIN 2019, including Arguna 630, Miralloy and Semi-bright alkaline copper.

The Mechanism of Nickel Corrosion in ENEPIG Deposits and How to Mitigate It

The Mechanism of Nickel Corrosion in ENEPIG Deposits and How to Mitigate It
The incident of nickel corrosion in ENEPIG multilayers (electroless nickel, electroless palladium and immersion gold) was brought to light after it was observed during the analysis of gold wire bond lifts.

Direct Copper Metallization of Aluminum:  Elimination of Zincate

Direct Copper Metallization of Aluminum: Elimination of Zincate
This article discusses the development of a new copper plating bath that can deposit high ductility copper metal directly on a wide range of aluminum alloy substrates.  The process is particularly important for general metal finishing companies looking to plate aluminum parts for aerospace industry.

Uyemura Arguna 630 hard silver electrolyte

Uyemura Showcasing Hard Silver, Cyanide-free, Other Plating
Uyemura will showcase a number of products at Sur/Fin 18, including Arguna 630, a hard silver electrolyte with hardness of 120-130 HV, well-suited for high-stress electromechanical components.

tony and mary anne revier

Uyemura CEO Tony Revier Honored for Service, Contributions
Revier was honored as one of the the University of La Verne’s 125 Most Notable Graduates at a ceremony commemorating its 125th anniversary. The awards were presented by university President Devorah Lieberman to alumni based on four criteria. 

man getting award

Read the Interview: Uyemura's Tony Revier
Revier, who was attending IPC — Association Connecting Electronics Industries gathering in Washington, D.C. for IMPACT Washington, D.C. 2017 to advocate for a pro-growth, pro-advanced-manufacturing policy agenda.

plated electronics

Electronic Plating: OutREACH or OverREACH?
U.S. chemical companies can benefit from compliance with the European regulation.

Donald Walsh, Uyemura International Corp.

A Conversation with Don Walsh, Uyemura
Donald Walsh has been with Uyemura International Corp. for 20 years and retires this month as its director of operations. His involvement with the surface finishing industry—and specifically the electronic and circuit board sectors—has been enormous.

What to Consider When Applying a Classic Black Finish
Q. What are the best options for a durable black finish? Uyemura's Rich DePoto answers that question.

New PCB Plating Process Is Reshoring Success for Whelen Engineering
Whelen Engineering was among the thousands of OEMs that sourced its printed circuit boards from Asia until increasing costs led the company to build—greenfield and in-house—America’s first new rigid PCB shop in 15 years.

Nanoscale Sealing Produces Anti-Tarnish Advantage for Electronics
Umicore Sealing 691 leaves technical characteristics unaffected.

The use of insoluble anodes is well established in the acid copper conveyorized equipment.

Vertical Acid Copper Plating for PCB Manufacturing
Developments expand in the world of printed circuit boards.

Uyemura Launches New Electrolytic Nickel Technology

Uyemura Launches New Electrolytic Nickel Technology
Two new high-speed electrolytes for the electrodeposition of nickel phosphorus are Umicore Niphos 967 and 968.

Bright Lights, Big Finish for Electronics Plater
Wisconsin manufacturer of printed circuit boards for the LED lighting industry and others in the electronics sector has seen business boom in the past few years.

interior of a jet

When Plating Meets the Jet Set
Houston plater specializes in finishing private aircraft interiors; company offers more than 130 standard finishes and unlimited custom-matching capabilities.

microscopic surface irregularities

Smooth Finish
Satin nickel scores in auto and other applications

Product Categories of Uyemura International

Anodes, Platinum and/or Palladium-clad
Cleaning Chemicals, Aqueous
Controls, Electroless Plating
Plating Processes for Aluminum
Plating Processes for Plastics
Plating Processes for Printed Circuits
Plating Processes, Brass or Bronze
Plating Processes, Copper
Plating Processes, Copper, Electroless
Plating Processes, Gold
Plating Processes, Gold, Electroless
Plating Processes, Nickel
Plating Processes, Nickel, Electroless
Plating Processes, Nickel, Satin Finish
Plating Processes, Rhodium