The new electroless nickel-PTFE system offers multiple advantages and is based on the single-component EN plating concept. 

Surface Technology Inc.'s Single Plate Electroless Nickel Plating-Teflon System

If innovation only provides one benefit, then innovation is valuable. Surface Technology, Inc. (STI, Ewing, NJ) has developed an innovative electroless nickel-plated PTFE process with multiple advantages. It has cost, performance and environmental advantages-it is based on the company's recently invented One-Plate electroless nickel plating, in which only one component is needed to supplement and replenish the plating solution. 

Historically, electroless nickel plating solutions including those used for EN-PTFE have been made of two components A and B at approximately 20% by volume. The traditional nickel concentration in the bath is 6 g/l. The veneer bath contains only 15% by volume of the ingredient called "Q" (STI is named after the famous inventor in the James Bond movie.) Of these 15% ingredients, the bath contains 5 grams of nickel per liter (compared to traditional Each liter of plating solution is 6 grams less than 18%). This difference makes the assembly cost of One-Plate lower, reduces the amount of nickel carried out during use, and reduces the amount of nickel wasted at the end of the plating bath's life. 

To conduct EN-PTFE plating, the store only needs to add a PTFE dispersion of STI to the One-Plate bath. But the difference that won the recognition of our innovators this month is that you can do this with just 10% of cosmetics instead of 15%, 20%, or more. In a 10% composition, the plating solution has only 3.3 grams of nickel per liter. This method basically cuts the cost, carry-out and waste of bath preparation by half. 

The concept of operating electroless nickel plating at low metal concentrations is not a new idea. An article published on Products Finishing in April 2014 explains this concept: short.pfonline.com/sti1plate

Although there are many potential benefits of operating at low metal concentrations, this practice has not gained widespread popularity. The main reason reported by the store is that more frequent replenishment of the bath fluid becomes essential to prevent further reduction in metal concentration. If the concentration of nickel and other components is too low, the plating quality will be affected and the plating solution may become unstable. EN baths have always been supplemented with two components, A and C.

So why is low metal concentration suitable for One-Plate PTFE bath? STI President Michael Feldstein (Michael Feldstein) explained: “There are two main reasons: First, all EN-PTFE baths are slower than other EN baths. Secondly, only one ingredient can be used for replenishment. Faster and easier." 

Together, these points make low metal systems practical and advantageous. The slower plating speed means that the operator does not need to over-monitor the concentration of the plating solution. When replenishment is needed, only one component is added instead of the traditional two A and C components, and the speed will be much faster. In addition, the simplicity of a single component means that shops can use the option of a small pump to continuously replenish the bath without manual replenishment altogether. This option will also allow the bath to maintain optimal concentration and performance.

In addition to the other functions of the One-Plate system that are important to the EN-PTFE plating system, this innovation also provides the benefits of low metal operation, such as: medium to high phosphorus products, long bath life, RoHS compliant, PFOA-free, PFOS-free , And up to 30% PTFE coating, with the unique color of EN-PTFE. 

Learn more: Read more about how secondary innovations are based on primary innovations (such as STI’s One-Plate's single-component EN system), such as the practical method of "venting and supplying" EN electroplating, and now Low metal operation: short.pfonline.com/OnePlate. 

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