Nickel with PTFE is a protective coating for metal and metal alloys, with submicron size PTFE particales built into autocatalytically deposited nickel-phosphorus. Its surface has excellent dry sliding properties and a low friction coefficient. It is uniform, extremely hard and wear resistant.
A genuine dispersion coating, with an even distribution of the PTFE in the matrix. Wear of the surface exposes new PTFE particles, thus maintaining the lubrication properties during the entire lifetime.
Nickel with PTFE allows the designer to specify new surface properties which previously were deemed unachievable.
An even coating of nickel-phosphorus alloy is deposited on metal components of even the most complex shape. The nickel is chemically reduced in the bath by a reducing agent. When nickel is deposited, a small quantity (8-10% w/w) of phosphorus is deposited simultaneously. This embedding increases the corrosion resistance of nickel.
With this process, PTFE together with a special mixture of surface active substances is added to the electrolyte. This allows the PTFE to be co-deposited during the coating process. The precentage of PTFE in the coating varies (usually 25 vol.%) depending on the PTFE concentration.
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· A low friction coefficient, Self lubricating surface
· A good corrosion resistance
· For uniform coating thickness
· Excellent wear resistance
· A wide range of operating temperatures, -200ºC up to 300ºC
· Does not have stick or slip problems
The service life of a centrifugal pump where all the functionally important components are coated with nickel with PTFE, is increased by 100%.
The number of piston cycles increased from 300,000 to 8,000,000.
Carburetors coated with nickel with PTFE components have shown increased performance.
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Solving Problems:
• Durable lubricating properties for components with access problems. (a lifetime tripological system)
• Increased performance and lower noise level for sliding components, bearing, cylinder and piston sets.
• Reliable operation of rotating parts which are exposed to solvents or low temperature.
• Self-lubricating properties for parts on sensitive equipment, where use of the usual lubricants would have a detrimental effect.
Cost Efficiency:
• Due
to the constant coating thickness, it is no longer necessary to grind to the appropriate thickness.
• Work pieces can be coated to the drawing tolerances.
• Short down times and less expenditure for spare parts.
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