Addplate™ and NiPlate™ 301  

A LOW PHOSPHOROUS, HIGH HARDNESS, LEAD AND CADMIUM FREE, ENGINEERING ELECTROLESS NICKEL PLATING PROCESS

The 301 system is an economical, lead and cadmium free, low phosphorous electroless nickel process designed to deposit a uniform, nickel-phosphorous alloy onto a great variety of metals, alloys, and non-conductors.

The 301 system is available in two packaging options to best meet your needs. The NiPLATE™ 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 NiPLATE™ 301 option is supplied in three liquid concentrates: NiPLATE™ 301 A and 301 B are used for make-up, and NiPLATE™ 301 A and 301 C are used for replenishment.
  • The ADDPLATE™ 301 option is supplied in two liquid concentrates: ADDPLATE™ 301 M is used for bath make up with standard nickel sulfate and sodium hypophosphite commodities, and ADDPLATE™ 301 R is used for replenishment of the bath with the same standard nickel sulfate and sodium hypophosphite commodities.

Some advantages of the 301 system are:

  • High as-plated hardness
  • Corrosion resistance in caustic environments
  • Lower electrical resistivity
  • Solderability without the use of high acid fluxes
  • Excellent stability and bath life
  • Bath operation at lower temperatures
  • No lead or cadmium

The 301 system electroless nickel processes meet or exceed MIL-C-26074D and AMS 2404C.

Typical Deposit Properties:

Phosphorous Content

1-4% by wt.

Hardness:

 

o as plated

700 VHN100

o heat treated @ 400°C for 1 hr.

1000 VHN100

Salt Spray (ASTM-B-117)

100 hrs.

Stress

compressive depending
on phosphorous level

Magnetic Properties

magnetic

Deposition rate

0.6 - 0.8 mil per hour

Preferred Operating Conditions:

 

Range

Optimum

Solution Temperature

70°- 80 °C (158°-176°F)

77°C(167°F)

Solution pH

5.7 - 6.6

6.3

Bath Loading

0.3 - 0.8 ft2/gal

0.5 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 or Filtered Air

 

Consult a Surface Technology, Inc. Sales or Technical Service Representative for further information about this or any of our products and services.