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Nickel-PTFE Composite Plating

Electroplating & electroless plating · Electroless (autocatalytic)

Nickel-PTFE is an electroless nickel matrix with co-deposited PTFE particles for low friction and release.

CNC machiningSheet metalCastingHigh cost $$$$Semi-conductive
Request Nickel-PTFE on a partCompare electroplating & electroless plating

Reference page — Nickel-PTFE is not in the instant-quote configurator. Upload the part, name the finish in the notes, and an engineer quotes it with the part.

Nickel-PTFE Composite Plating on a machined part

What is Nickel-PTFE?

It describes the generic class sometimes sold under proprietary low-friction nickel trade names.

How it works

A heated autocatalytic nickel-phosphorus bath contains a stabilized dispersion of microscopic PTFE particles. Nickel deposits chemically on the activated part while PTFE particles become mechanically entrapped throughout the growing matrix. Because no current is used, complex geometry receives comparatively uniform thickness. The polymer phase lowers friction but reduces hardness and can complicate adhesion, post-treatment, and subsequent bonding. Bath agitation and particle stabilization control PTFE incorporation, making supplier-process qualification essential for repeatable friction and wear.

Why specify it

  • Uniform 10–25 µm low-friction coating
  • PTFE exposed throughout wear renews release behavior
  • Better corrosion barrier than standalone dry lubricant
  • Suitable for complex molds, valves, and slides

Where it falls short

  • Softer than plain heat-treated electroless nickel
  • Cannot be reliably bonded or painted without preparation
  • PTFE content and friction are proprietary-process dependent
  • High temperature can degrade the polymer phase

Nickel-PTFE at a glance

Nickel-PTFE is strongest on corrosion protection (72 of 100) and lubricity (90 of 100), at a high cost.

Corrosion protectionVery good72 / 100
Surface hardnessGood57 / 100
Cosmetic qualityFair45 / 100
LubricityExcellent90 / 100
Relative costHigh72 / 100
CorrosionHardnessCosmeticLubricityEconomy

Each score is 0–100 against every finish in this catalog. Corrosion comes from salt-spray life (ASTM B117, log scale) and hardness from the finish layer's Vickers or pencil hardness; cosmetic, lubricity and cost are FabDigit's engineering assessment. Economy on the radar is the inverse of cost.

Nickel-PTFE key numbers

Typical values from the governing specifications and shop practice; bars are this finish against the highest value among electroplating & electroless plating finishes.

Thickness10–25 µm0.39–0.98 mil
Hardness250–500 HV
Max service temp.260 °C500 °F
Thickness
10–20 µm for release and sliding service; up to 25 µm where corrosion margin is needed
Hardness
250–500 HV — Typical composite range; lower than plain nickel-phosphorus because PTFE interrupts the metal matrix.
Corrosion (salt spray)
— per ASTM B117 when required by the qualified supplier process — No universal hour requirement exists for this proprietary-process class.
Electrical
Semi-conductive
Colours
  • gray
  • dark gray
Appearance
Uniform matte gray to dark gray with a less metallic appearance than plain electroless nickel.

Where Nickel-PTFE sits among all finishes

Surface hardness (Vickers, log scale) against corrosion protection (salt-spray hours, log scale) for every coating FabDigit offers, one cloud per finish group. Nickel-PTFE is highlighted; hover a dot for its name or open the full map.

02550751000255075100Corrosion protection (0–100)Surface hardness (HV, log scale, 0–100)Plating — 19 finishesHard coatings — 17 finishesAnodize & conversion — 8 finishesPaint & powder — 7 finisheshard, low corrosion protectionhard and protectiveprotective, softsoft, little protectionType II anodize — corrosion 71, hardness 54BSA anodize — corrosion 71, hardness 52Type I anodize — corrosion 71, hardness 49Hard anodize — corrosion 71, hardness 61PTFE hard anodize — corrosion 71, hardness 61Nitriding — corrosion 55, hardness 73PEO — corrosion 70, hardness 74Sherardizing — corrosion 83, hardness 56Brass plate — corrosion 35, hardness 44Bronze plate — corrosion 40, hardness 49Cadmium plate — corrosion 70, hardness 26Copper plate — corrosion 32, hardness 39Decorative chrome — corrosion 64, hardness 71Electroless copper — corrosion 20, hardness 41Electroless nickel — corrosion 70, hardness 68Nickel plate — corrosion 51, hardness 55Gold plate — corrosion 68, hardness 39Hard chrome — corrosion 40, hardness 73Hot-dip zinc — corrosion 90, hardness 42Silver plate — corrosion 55, hardness 39Solder plate — corrosion 42, hardness 9Tin plate — corrosion 34, hardness 0Zinc plate — corrosion 60, hardness 30Zinc-nickel — corrosion 86, hardness 60Cerakote — corrosion 83, hardness 27E-coat — corrosion 83, hardness 15Epoxy coat — corrosion 83, hardness 15Powder coat — corrosion 83, hardness 14Wet paint — corrosion 59, hardness 10AlCrN PVD — corrosion 58, hardness 93AlTiN PVD — corrosion 52, hardness 94CrN PVD — corrosion 62, hardness 83DLC — corrosion 55, hardness 93MoS2 PVD — corrosion 20, hardness 26TiAlN PVD — corrosion 50, hardness 93TiCN PVD — corrosion 40, hardness 92TiB2 PVD — corrosion 40, hardness 94TiN PVD — corrosion 45, hardness 87WC/C PVD — corrosion 48, hardness 77ZrN PVD — corrosion 52, hardness 90CVD alumina — corrosion 70, hardness 85CVD TiCN — corrosion 38, hardness 92CVD TiN — corrosion 45, hardness 87Multilayer CVD — corrosion 62, hardness 88HVOF coating — corrosion 78, hardness 77Plasma spray — corrosion 60, hardness 68Plastic chrome — corrosion 72, hardness 71Electroless plastic — corrosion 58, hardness 39Clear coat — corrosion 20, hardness 12Soft-touch — corrosion 20, hardness 5PLATINGHARD COATINGSANODIZE & CONVERSIONPAINT & POWDERHard chromeType II anodizePowder coatZinc plateZinc-nickelDLCTiN PVDTin plateCadmium plateE-coatCerakoteWet paintHot-dip zincNitridingHVOF coatingNickel-PTFE — corrosion 72, hardness 57Nickel-PTFE
02550751000255075100Corrosion protection (0–100)Surface hardness (HV, log scale, 0–100)Plating — 19 finishesHard coatings — 17 finishesAnodize & conversion — 8 finishesPaint & powder — 7 finishesType II anodize — corrosion 71, hardness 54BSA anodize — corrosion 71, hardness 52Type I anodize — corrosion 71, hardness 49Hard anodize — corrosion 71, hardness 61PTFE hard anodize — corrosion 71, hardness 61Nitriding — corrosion 55, hardness 73PEO — corrosion 70, hardness 74Sherardizing — corrosion 83, hardness 56Brass plate — corrosion 35, hardness 44Bronze plate — corrosion 40, hardness 49Cadmium plate — corrosion 70, hardness 26Copper plate — corrosion 32, hardness 39Decorative chrome — corrosion 64, hardness 71Electroless copper — corrosion 20, hardness 41Electroless nickel — corrosion 70, hardness 68Nickel plate — corrosion 51, hardness 55Gold plate — corrosion 68, hardness 39Hard chrome — corrosion 40, hardness 73Hot-dip zinc — corrosion 90, hardness 42Silver plate — corrosion 55, hardness 39Solder plate — corrosion 42, hardness 9Tin plate — corrosion 34, hardness 0Zinc plate — corrosion 60, hardness 30Zinc-nickel — corrosion 86, hardness 60Cerakote — corrosion 83, hardness 27E-coat — corrosion 83, hardness 15Epoxy coat — corrosion 83, hardness 15Powder coat — corrosion 83, hardness 14Wet paint — corrosion 59, hardness 10AlCrN PVD — corrosion 58, hardness 93AlTiN PVD — corrosion 52, hardness 94CrN PVD — corrosion 62, hardness 83DLC — corrosion 55, hardness 93MoS2 PVD — corrosion 20, hardness 26TiAlN PVD — corrosion 50, hardness 93TiCN PVD — corrosion 40, hardness 92TiB2 PVD — corrosion 40, hardness 94TiN PVD — corrosion 45, hardness 87WC/C PVD — corrosion 48, hardness 77ZrN PVD — corrosion 52, hardness 90CVD alumina — corrosion 70, hardness 85CVD TiCN — corrosion 38, hardness 92CVD TiN — corrosion 45, hardness 87Multilayer CVD — corrosion 62, hardness 88HVOF coating — corrosion 78, hardness 77Plasma spray — corrosion 60, hardness 68Plastic chrome — corrosion 72, hardness 71Electroless plastic — corrosion 58, hardness 39Clear coat — corrosion 20, hardness 12Soft-touch — corrosion 20, hardness 5PLATINGHARD COATINGSANODIZE & CONVERSIONPAINT & POWDERHard chromePowder coatZinc plateNickel-PTFE — corrosion 72, hardness 57Nickel-PTFE
Anodize & conversionPlatingPaint & powderHard coatings

Specifications for Nickel-PTFE

The documents a drawing cites to define this finish, with the Type / Class rows that apply. Each links to a page explaining the standard.

Drawing call-out

ELECTROLESS NICKEL-PTFE COMPOSITE, 15–20 µm THICK, 20–25 VOL% PTFE TARGET, 300 HV MIN; MASK THREADS AND BONDING SURFACES; PROCESS TO APPROVED SAMPLE

Which materials take Nickel-PTFE?

Verdict per material family, with the grades that behave differently. Each family links to its datasheets in the material library.

Material familyVerdictNotes
Brass
YesPlateable after cleaning and activation.
Copper Alloy
YesGenerally plateable after activation.
Stainless Steel
YesRequires activation.
Steel
YesCommon mold and mechanism substrate.
Aluminum
With careRequires zincate activation.
DMLS / SLM
With careSteel or other metal AM parts after porosity review.
Titanium
With careRequires specialized activation.
Zinc Alloy
With careNeeds a strike and porosity control.
Magnesium Alloy
LimitedOnly with a qualified pretreatment.
Polymer
LimitedOnly after full metallization of a plateable resin.
SLA
LimitedOnly qualified metallization resins.
FDM
NoNot a standard nickel-PTFE substrate.
MJF
NoPorous nylon is not a standard substrate.
SLS
NoPorous nylon is not a standard substrate.

How Nickel-PTFE is applied, and what it does to the part

  1. 1Clean
  2. 2Activate
  3. 3Zincate aluminum if needed
  4. 4Autocatalytic nickel-PTFE codeposit
  5. 5Rinse
  6. 6Optional low-temperature stabilization
  7. 7Inspect thickness and friction
DimensionsAdd the full 10–25 µm coating per side; do not plan to grind through the PTFE-bearing layer.
Build-up per side10–25 µm — Uniform chemical buildup approximately equals specified thickness on every exposed side.
MaskingUsually needed. Mask bonding, electrical contact, tight-fit, thread, and seal surfaces not intended to receive PTFE.
ElectricalSemi-conductive
Temperature limit260 °C (500 °F) continuous
AppearanceUniform matte gray to dark gray with a less metallic appearance than plain electroless nickel.
Added lead time5–10 working days on top of the bare part

Design rules for Nickel-PTFE

What to decide on the drawing before the part goes to the finisher.

  1. Qualify friction on the actual counterface.PTFE fraction alone does not predict system friction.
  2. Mask bonding and electrical lands.PTFE lowers adhesion and surface conductivity.
  3. Avoid finish grinding.Removing the composite layer changes PTFE exposure and performance.
  4. State maximum service temperature.PTFE limits heat capability before the nickel matrix does.

Nickel-PTFE versus the alternatives

Finishes engineers weigh against Nickel-PTFE, and when each wins.

FinishCorrosionHardnessCosmeticCostThicknessChoose it when
Nickel-PTFE
this page
725745$$$$10–25 µm—
Electroless Nickel Plating
Nickel-PTFE vs Electroless Nickel Plating →
706855$$$5–75 µmwhen hardness and corrosion barrier outweigh low friction
Hard Chrome Plating
Nickel-PTFE vs Hard Chrome Plating →
407345$$$$10–500 µmwhen maximum wear resistance and post-grinding are acceptable
CorrosionHardnessCosmeticLubricityEconomy
Nickel-PTFEElectroless Nickel Plating

The radar overlays Nickel-PTFE with Electroless Nickel Plating, its most common alternative — chosen when hardness and corrosion barrier outweigh low friction. Scores in the table are 0–100 across every finish in the catalog.

Cost, lead time and compliance

Relative cost

Nickel-PTFE Composite Plating is a high-cost finish ($$$$): more expensive than about 77 % of the finishes FabDigit quotes.

Finishing is priced per part with a lot minimum, from FabDigit's own China-side rates. The exact figure appears on the instant quote once the part is uploaded.

Lead time and compliance

Added lead time5–10 working days
RoHSCompliant
NotesNickel and fluoropolymer processing require supplier declarations; review current PFAS regulations for the destination market.

What Nickel-PTFE is used for

  • Injection molds
  • Valve components
  • Textile guides
  • Packaging machinery
  • Sliding mechanisms

Nickel-PTFE — frequently asked

what is nickel PTFE coating

It is electroless nickel-phosphorus with PTFE particles co-deposited through a typical 10–25 µm layer. As wear exposes new particles, low-friction and release behavior can persist.

nickel PTFE vs electroless nickel

Nickel-PTFE has much better lubricity but is commonly only about 250–500 HV. Plain EN is about 450–550 HV as plated and can approach 1000 HV after heat treatment.

how thick is nickel PTFE plating

A common range is 10–25 µm, with 10–20 µm typical for release and sliding duty. The full thickness builds on each exposed side because deposition is electroless.

how hot can nickel PTFE coating get

PTFE has a continuous-use ceiling around 260 °C, but the qualified coating system or substrate may impose a lower limit. Friction and wear can change well before decomposition.

can nickel PTFE plate aluminum

Yes, after aluminum-specific cleaning, desmutting, and zincate activation. Allow the full 10–25 µm buildup on every exposed fit surface.