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Electroless Nickel Coatings |
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 Electroless Nickel (EN) coatings are utilized on a wide variety of metallic components and unusual substrates to enhance wear resistance, corrosion resistance, durability, magnetic tendency, aesthetics and for providing extended tool and component life. Petroleum, Chemical, Automotive, Aerospace, Machinery, Electronics and the Mold & Die Industry are a few of the primary industries who benefit from the utilization of electroless technologies and their deposits. The MacDermid line of EN products meet many OEM, Military and other recognized industry specifications requirements including ISO4527, ASTM B-733, AMS-C-26074, AMS 2399 and AMS 2404.
Click here for our latest NIKLAD™ ELV systems, free from Cadmium and Lead.
 MacDermid globally offers an extensive line of electroless technologies including many of the industry's most highly regarded brand names like NIKLAD™, VAND-ALOY™, and ELNIC®. EN deposits from these systems range from 1 to 12% phosphorus by weight or up to 0.5%, by weight of boron. Specialty systems are also available to deposit copper, cobalt and many types of ternary alloys.
The MacDermid EN technology portfolio has quickly become one of the industry's most advanced choices for metal finishers and engineers. From innovation in the lab to innovation at the process facility, it's not just the chemistry with MacDermid solutions that solves your problems. From the simplest shape to even the most complex configurations, the versatility of our EN systems have demonstrated their exceptional, seemingly limitless capabilities to meet challenging application demands and the demands of our customers. Our ongoing electroless nickel research and development programs continually provide innovative products that produce superior performance while keeping in mind the importance of our environment.
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Features
Excellent corrosion protection & resistance
High hardness
Range of brightness
Ease of waste treat-ability
Excellent deposit uniformity
Highest plating rates possible
Pit free/pore free deposits
Compressively stressed deposits
Solderability/Weldability/Brazeability
Non-magnetic/Magnetic characteristics. |
Benefits
Part durability
Improved wear and abrasion characteristics
Appearance range from bright to semi-bright
Reduces waste treatment costs
Eliminates post-plate grinding, maintains tolerances
Select high production or tight control
Fewer reworks and rejects
Maintains part integrity
Functional in various applications
Magnetic property selectivity
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PROPERTY
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HIGH PHOS |
MID PHOS |
LOW-MID PHOS |
LOW PHOS |
NICKEL BORON |
NICKEL BORON |
| % PHOSPHOROUS or BORON |
10 - 13 |
7 - 9 |
4 - 6 |
1 -3 |
0.2 to 1 |
3 to 5 |
| DEPOSIT DENSITY Range (g/cm3) |
7.6 - 7.9 |
8.0 - 8.2 |
8.3 - 8.5 |
8.6 - 8.8 |
8.8 |
8.25 |
| PLATING DEPOSITION RATE (µ/HR) |
7.5 - 15 |
7.5 - 15 |
18 - 30 |
11 - 19 |
- |
- |
| HARDNESS AS PLATED (HK100) |
450 - 525 |
500 - 600 |
625 - 750 |
725 - 800 |
600 - 700 |
650 - 750 |
| ROCKWELL C (Rc) HARDNESS CONVERSION* AS PLATED |
41 - 46 |
45 - 51 |
53 - 59 |
57 - 61 |
51 - 56 |
54 - 59 |
| HARDNESS AFTER HEAT TREATMENT (HK100) |
850 - 950 |
850 - 1000 |
850 - 1100 |
900 - 1100 |
500 - 600 |
1100-1200 |
| ROCKWELL C (Rc) HARDNESS CONVERSION* AT HEAT TREATMENT |
64 - 67 |
64 - 71 |
64 - 74 |
66 - 74 |
45 - 51 |
74 - 76 |
| TABER WEAR INDEX AS PLATED (mg/1000 CYCLES - CS-10 WHEEL, 100 g LOAD) |
22 - 24 |
16 - 20 |
10 - 14 |
7 - 12 |
7 - 9 |
3 - 10 |
| COEFFICIENT OF THERMAL EXPANSION ( m/m/ C) |
8 - 10 |
10 - 15 |
11 - 14 |
12 - 15 |
- |
- |
| ELECTRICIAL RESISTIVITY (µOHM-CM) |
75 - 110 |
40 - 70 |
15 - 45 |
10 - 30 |
10 - 20 |
40 - 90 |
| THERMAL CONDUCTIVITY (CAL/CM/SEC/ C) |
0.010 |
0.012 |
0.016 |
0.015 |
- |
- |
| TENSILE STRENGTH (MPa) |
650 - 900 |
800 - 1000 |
350 - 600 |
200 - 400 |
- |
- |
DEPOSIT INTERNAL STRESS AS PLATED
(TENSILE OR COMPRESSIVE)
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NEUTRAL TO COMP |
SLIGHTLY TENSILE |
SLIGHTLY TENSILE |
SLIGHTLY COMP |
TENSILE |
SLIGHTLY
TENSILE |
| ELONGATION (%) |
1 - 2.5 |
0.5 - 1 |
0.5 - 1 |
0.5 - 1.5 |
- |
0.2 |
| MODULUS OF ELASTICITY (GPa) |
55 - 70 |
50 - 65 |
45 - 65 |
55 - 65 |
- |
120 |
| MELTING RANGE ( C) |
880 - 900 |
880 - 980 |
1100 - 1300 |
1250 - 1360 |
1350 - 1390 |
1040 - 1080 |
| COERCIVITY (Oe) |
0 |
1 - 8 |
10 - 15 |
15 - 80 |
- |
- |
| MAGNETIC PROPERTIES AS PLATED |
NON-MAGNETIC |
SLIGHTLY MAGNETIC |
MAGNETIC |
MAGNETIC |
WEAKLY MAGNETIC |
- |
| Notes: *Deposit Knoop to Rc Hardness Conversion is an approximation due to many factors. |
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High Phosphorus Electroless Nickel
Niklad 1000
12-13% P bath. Highest phosphorus product for maximum corrosion resistance. Used in aircraft, oil industries and also used for Memory Disk applications. Good shelf life solderability.
NiKlad ELV 811
10-12% Phosphorous desposits from a Lead and Cadmium free bath. The process operates in the same way as conventional system. Stable in both stainess steel and polypropylene process equipment.
Vand-Aloy 4200
High speed 10-12% P bath for general and high production. Best suited for use in anodically protected Stainless Steel and conventional Polyproplyene equipment.
Elnic 101
10-11% P bath. General purpose for all applications. Deposit has FDA approval.
Medium Phosphorus Electroless Nickel
Niklad 787
Ultra-bright, fast bath for all job shop applications. Suited for Polyproplyene and Stainless Steel equipment.
Vand-Aloy 6000
Full bright version of Vand-Aloy 5000. Medium phosphorus bath for high production applications. Provides good throughput. Option for carbonate pH control.
NiKlad ELV 808
7.5 - 9% Phosphorous desposits from a Lead and Cadmium free bath. NiKlad ELV 808 produces a bright deposit with good wear and corrosion resistnce properties. The system is stable in both stainess steel and polypropylene process equipment.
Vand-Aloy 5000
Semi-bright, cadmium free, medium phoshorus bath for high production applications. Provides good throughput and is excellent for high thickness work (>25 micrometers). Option for carbonate pH control.
Medium-Low Phosphorus Electroless Nickel
Niklad 767
Very bright, 5-6%P. High speed bath for job shop applications. Provides good life along with consistency. Versatile system, high or low loading. Most widely used system.
Niklad 768
High production, high loading version of Niklad 767.
Niklad 797
Very bright, fast bath for high production applications (3.5-4.5% P). Very hard as plated. The system will initiate plating at 160oF (70oC) and is ideal for those specialized applications where lower temperature operation is beneficial.
Niklad ELV 805
A low phosphorous bath free from Lead and Cadmium, capable of depositing higly wear resistant coatings ideal for electronics applications where soldering is a key requirement..
Low Phosphorus Electroless Nickel
Niklad 724
Semi-bright deposit. System gives consistent 1.5-3% P over bath life. Excellent hardness and wear resistance both before and after heat treatment. Excellent ductility. Good for electronic applications (soldering, brazing, etc.).
Nickel Boron Systems
NIKLAD 752
0.2 - 0.5% Boron system primarily for all types of electronic applications. The deposit provides high electrical conductivity, exhibits low contact resistance and shows some good "as plated" hardness & wear resistance. This deposit also finds a variety of uses in solderability applications due to the extended shelf life solderability obtained. This coating can replace gold in some specific applications.
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