Our Electroless Plating Finish Services
Deliver uniform 5-50μm thick coatings with ≤±1μm thickness variation across complex geometries. Our automated process achieves 98% coverage on steel, aluminum, copper, and plastic substrates, offering nickel-phosphorus (2-12% P content) and nickel-boron coatings with 800-1200 HV hardness (ISO 4516).
What is Electroless Plating Finish?
An autocatalytic chemical deposition process where:
Metal ions reduce without external current
Forms isotropic coatings regardless of part geometry
Creates metallurgical bond with substrate
Key parameters:
Deposition rate: 10-25μm/hour
Operating temperature: 85-95°C
Bath life: 6-8 metal turnovers (MTO)
| Surface Roughness |
Applicable Materials |
Cosmetic Availability |
Visual Appearance |
|---|
Electroless Plating Advantages
- Uniform Coverage - 100% throw power into blind holes
- Wear Resistance - 3x harder than hard chrome plating
- Corrosion Protection - 1000+ hours salt spray (ASTM B117)
- Electrical Properties - Consistent 0.1-100Ω/sq surface resistivity
- Solderability - Excellent wetting for Pb-free solders
Notes
- Pre-treatment: Critical acid activation step
- Post-treatment: Optional heat treatment (260-400°C)
- Not suitable for: Cadmium, magnesium substrates
Electroless Plating Applications
- Oil & Gas: Valve components, drill tools
- Electronics: PCB edge connectors, chip carriers
- Automotive: Fuel injectors, transmission parts
- Aerospace: Landing gear components
- Medical: Surgical tooling, implantable devices
