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Alkaline Zinc Electroplating

Alkaline zinc plating solution is considered to be the best zinc plating process nowadays and not only because it eliminates cyanide but mainly because the throwing power is great. The metal distribution is fantastic. You can get almost an even distribution of deposit thickness even on a geometrically complicated part. We provide alkaline zinc plating in both rack and barrel types. We have 4 Alkaline Baths with a capacity of 1000 Litres and Barrel Bath with 30 Kg Capacity.

Benefits of Alkaline Zinc plating
  • Excellent corrosion protection
  • Alkaline zinc plating along with trivalent passivation offers improved SST
  • Unparalleled plating distribution from high to low areas
  • Have less tensile stress
  • Great ductility
Trivalent Blue Passivation
Trivalent Yellow Passivation
Trivalent Black Passivation

Chloride Zinc Electroplating ( Acid Base )

Acid zinc electroplating is one of the most essential methods that are used for electroplating. It’s a very cost – effective process and is mostly used to offer a protective coating to metallic substances like as fasteners, bolts, nuts, automotive parts and fasteners and various other hardware items.

Benefits of automatic acid zinc plating
  • High productivity with consistency in quality
  • High efficiency and faster deposition
  • Passivation offers a greater corrosion resistance & It improves the overall appearance of the metal by offering them a wide range of colors
  • Gives a clean look, brightness and a complete glowing shine
  • Commonly distinguished as Rack or Barrel automatic plants
  • Eliminates man-made errors & saves labour costs
  • Low cost treatment

The process of zinc plating process is categorized into five steps which includes the cleaning of the substance, activation or pickling, electroplating, passivation and drying the completed product.

Electroless Nickel Plating

Electroless Nickel Plating (ENP) is the deposit of a nickel-alloy coating by chemical reduction – without the electric current that's used in electroplating processes. The majority of ENP for engineering purposes is a nickel phosphorus deposit containing 2 to 14% phosphorus.

Benefits of Electroless Nickel Plating
  • It offers excellent corrosion resistance to common corrodents such as salt water, carbon dioxide, oxygen and hydrogen sulphide.
  • High phosphorus deposits of ENP (10-14% phos) is also amorphous, which means that there are no grain or phase boundaries to create initiation sites for corrosion.
  • The uniformity of ENP versus electrolytic deposits is also advantageous, creating a uniformly thick coating across the whole substrate,even in slots, holes and inside walls of tubing.
  • Without heat treatment corrosion resistant high phosphorus ENP still provides good hardness and wear resistance properties.
  • ENP offers a cost-effective solution for applications subject to conditions where wear and corrosion are factors extending service life and providing a lower cost alternative to corrosion resistant alloys.

Bright Nickel Plating

Bright nickel electroplating is a type of nickel plating that is popular and widely used for decorative applications as well as engineering applications. From bathroom taps to nuts and bolts, bright nickel coating has great resistance to corrosion and can be applied quickly.

Bright nickel plating and coating produce a fully bright, highly leveled, ductile nickel deposit that can be applied to ferrous and non-ferrous metals. It has an appearance like that of stainless steel. Bright nickel finish can be used on steel for a bright, clean finish, and is commonly used in industries as nickel-plated brass.

Benefits of Bright Nickel Plating
  • It offers good conductivity but is not as ductile or corrosion resistant as other types of nickel plating.
  • Bright nickel plating produces high levelling properties. This means it hides polishing lines and any other imperfections on the surface of a material.

Hard Chrome Plating

Hard chrome plating is an electroplating process that involves applying a layer of chromium to a surface by submerging it in a chromic acid solution. Hard chrome plating can increase the durability, hardness, wear resistance and corrosion resistance of metal components for more effective use in machinery and equipment.

Benefits of hard Chrome Plating
  • Increased hardness of HRC 65-70.
  • Excellent sliding wear resistance.
  • Great abrasion resistance.
  • Low coefficient of friction.
  • Excellent release properties.
  • Enhanced corrosion resistance.
  • High heat mitigation.
  • Superior bond strength to base metal.

Phosphating

Phosphating is a chemical method of surface treatment in which a metallic surface reacts with an aqueous phosphate solution. This creates a hardly soluble conversion layer made of metal phosphates. For this purpose, the material is first cleaned with acid and then the phosphate layer is formed.

Benefits of Phosphating
  • Protection against corrosion without further treatment.
  • Enhancing friction-resistance characteristics, such as a break-in, wear resistance, anti-galling, and lowering the coefficient of friction.
  • Giving a subsequent painting or organic covering a high adhesive.

Zinc Flake Coating

Zinc-flake coatings are resistant to extreme temperature variations and can be modified with variable coefficient of friction characteristics for established torque requirements. They are not susceptible to warm-loosening torque and are resistant to both acidic and basic chemicals

Benefits of Zinc Flake Coating
  • Zinc-flake coatings are resistant to extreme temperature variations and can be modified with variable coefficient of friction characteristics for established torque requirements.
  • They are not susceptible to warm-loosening torque and are resistant to both acidic and basic chemicals.
  • Zinc-flake coatings also conduct electricity well if that is a required feature.
  • Lastly, depending on the pre-treatment used, they do not introduce hydrogen embrittlement like standard plating does.

Blasting

Blasting uses various materials to strip imperfections, paint, rust, and other contaminants from a surface. It's an important step in surface coating preparation, as it cleans a substrate and creates a surface that will hold a protective coating.

Benefits of Blasting
  • It is an inexpensive way to clean and prepare surfaces.
  • This process also presents economic advantages over traditional methods.
  • Cleaning surfaces faster and better while removing undesirable contaminants more efficiently.

Acid Pickling And Passivation

Both pickling and passivation are chemical treatments applied to the surface of stainless steel to remove contaminants and assist the formation of a continuous chromium-oxide, passive film. Pickling and passivation are both acid treatments and neither will remove grease or oil.

Benefits of Acid Pickling and Passivation
  • Both pickling and passivation removes surface contamination.
  • Passivation maximizes corrosion resistance.
  • Pickling removes hint tint or weld discoloration