Electroless Nickel

The knowledgeable team at Elite Metal Finishing provides quality recommendations and solutions to meet your complicated metal finishing needs.

Electroless Plating is the process of applying one or more layers of a metal to a substrate without the use of an external electrical charge. It is also sometimes called autocatalytic because the metal being applied is in solution and adheres itself to the substrate (plastic or ceramic included) without the use of an outside power source, (electric current, for example in electroplating). Due to the lack of electricity, electroless plating results in a completely uniform deposit, even on complex shapes, to improve wear and/or corrosion resistance, or to improve the solderability on selected materials. The electroless nickel process provides a unique combination of high quality, rapid throughput and turn-round with superb performance due to its unique characteristics primarily achieved due to its lack of need for an electric current. The process hasn’t been around as long as Electroplating but since being discovered in 1946 has become more popular each year. Note that electroless plating differs from immersion plating in that desired thicknesses can be achieved as opposed to immersion plating where coverage with only nominal thickness is achieved.

Types:
  • Mid Phos Electroless Nickel – 250HRS+ Corrosion protection at 1mil thickness
  • High Phos Electroless Nickel – 1500HRS+ Corrosion protection at 1mil thickness
  • Electroless Nickel PTFE Seal  “Slik-Seal” – 500HRS+ Corrosion protection at 1mil thickness
  • Electroless Nickel with PTFE – “Slik-Kote” – 1000HRS+ Corrosion protection at 1mil thickness
  • Electroless Nickel “MidNite Black EN” – 1000HRS+ Corrosion protection at 1mil thickness
Features:
  • Corrosion resistance
  • Wear resistance
  • Uniform coverage throughout part
  • Tight control of deposit thickness
  • No post machining needed
Applications:
  • Valves
  • Pumps
  • Splines
  • Gears
  • Hydraulic Pistons
  • Molds
  • Cutting Knives
Elite MidNite Black EN

A highly uniform, corrosion resistant and durable black coating infused with the latest electroless nickel technology designed for the highest standard in military and aerospace applications.  MidNite Black EN uses autocatalytic nickel technology to achieve over 1000 hours of corrosion resistance against neutral salt fog and has been shown to withstand chemical agent decontamination protocols. MidNite Black EN  provides a gloss iridescent black or matte black finish with exceptional coverage on ferrous and non-ferrous substrates.

FAQs about Metal Finishing

Anodizing is an electrochemical conversion process that forms an oxide film, usually on aluminum, in an electrolyte (chemical solution). Compared to Type II anodizing, the coating applied via Type III anodizing is usually thicker, done at a lower temperature, and more expensive. However, there are benefits to Type III anodizing, such as a thicker coating (typically between 0.001 and 0.002 inches) that tends to be more durable and abrasion resistant.

Anodizing is an electrochemical conversion process that forms an oxide film, usually on aluminum, in an electrolyte (chemical solution).

Yes, we can.

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  • Anti-static / ESD control – coatings used to minimize static electricity in sensitive environments.
  • Chemical resistant – coatings which resist acids, alkalis, oils, and general chemicals.
  • Conductive – coatings used to form an electrically-conductive layer.
  • Dielectric – coatings made from nonconducting materials used in optical applications. High-reflection coatings consist of a stack of alternating layers of high-and-low refractive-index materials. Each layer in the stack has an optical thickness of a quarter-wave at the design wavelength.
  • Corrosion inhibiting – coatings which prevent moisture from reaching the metal or underlying substrate, or provide a sacrificial layer.
  • EMI / RFI shielding – coatings provide shielding from electromagnetic interference (EMI) or radio frequency interference (RFI).
  • Flame retardant – coatings are flame-retardant in accordance to Underwriters Laboratories, Inc. (UL) Flame Class 94V-0, or other equivalent ISO standards. These materials reduce the spread of flame or resist ignition when exposed to high temperatures. They also insulate the substrate and delay damage to the substrate.
  • Heat resistant – coatings resist damage from heat, or are formulated for use in high-temperature environments.
  • Protective – coatings are designed to protect substrates and surfaces.
  • Touch-up – coatings are used to repair and match the original coating where it has been damaged by scratching, corrosion, abrasion, erosion, scuffing, denting, chipping, delaminating, or other processes.
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