NiSlip™ 25
A COMPOSITE BORON NITRIDE, LOW PHOSPHOROUS, ELECTROLESS NICKEL PLATING PROCESS
The 25 system is a composite boron nitride, low phosphorous, electroless nickel process designed to deposit a uniform composite nickel-phosphorus alloy with ultra-fine, boron nitride particles onto a great variety of metals, alloys, and non-conductors.
The 25 system is available in two packaging options to best meet your needs. The NiSLIP™ option provides the greatest convenience to the user, while the ADDPLATE™ option provides the greatest economy for shipping and use. Both options produce the same properties and quality.
- The NiSLIP™ 25 option is supplied in four liquid concentrates: NiSLIP™ 25 A, 25 B, and 25 D are used for make-up, and NiSLIP™ 25 A, 25 C, and 25 D are used for replenishment.
- The ADDPLATE™ 25 option is supplied in three liquid concentrates: ADDPLATE™ 25 M is used for bath make up with NiSLIP™ 25 D and standard nickel sulfate and sodium hypophosphite commodities, and ADDPLATE™ 25 R is used for replenishment of the bath with NiSLIP™ 25 D and the same standard nickel sulfate and sodium hypophosphite commodities.
The NiSLIP™ 25 system has numerous advantages, especially compared to composite PTFE - electroless nickel systems such as:
- Deposits with low friction, self-lubricity, and release properties; as well as excellent wear resistance
- Higher hardness as plated and the ability to achieve maximum hardness through heat treatment
- High temperature resistance
- Corrosion resistance
- Faster plating rate
- Longer bath life
- Retention of particles for re-use from used baths
- Easier treatment of used baths
The 25 system electroless nickel processes meet or exceed MIL-C-26074D and AMS 2404C.
Typical Deposit Properties:
| Coefficient of Static Friction | 0.1 |
| Coefficient of Dynamic Friction | 0.08-0.10 |
| Boron Nitride Content | 10-20% |
| Phosphorus Content | 1-4% by wt. |
| Hardness: | |
| o as plated | 500-550 VHN100 |
| o heat treated @ 350°C for 1 hr. | 700-750 VHN100 |
| Salt Spray (ASTM-B-117) | 100 hrs. |
| Stress | slightly tensile |
| Magnetic Properties | slightly magnetic |
| Deposition rate | 0.5-0.8 mil per hour |
Preferred Operating Conditions:
| Range | Optimum | |
| Solution Temperature | 70°- 80°C (158°-176°F) | 75°C(167°F) |
| Solution pH | 5.7 - 6.6 | 6.3 |
| Bath Loading | 0.3 - 1.0 ft2/gal | 0.6 ft2/gal |
| Nickel Metal Concentration | 0.65 - 0.85 oz/gal | 0.8 oz/gal |
| H2PO2 Concentration | 3.5 - 4.5 oz/gal | 4.0 oz/gal |
| Agitation | Mechanical |
Composite electroless nickel systems are covered under one or more of Surface Technology, Inc.'s US Patents numbered 4,997,686, 5,145,517, 5,300,330, 5,863,616, and others depending on materials and use.
CLICK HERE for additional information on the NiSLIP™ 25 Coating
Consult a Surface Technology, Inc. Sales or Technical Service Representative for further information about these or any of our products and services.
