Electroless Nickel

ENDEP 6

ENDEP 6 is an advanced electroless nickel-phosphorus plating system that yields a bright deposit.

ENDEP 6 has a high rate of deposition 0.0008 - 0.001 inch per hour (0.8 to 1 mil) over its bath life.

ENDEP 6 is a two part makeup system with simple two part maintenance.

ENDEP 6 produces a bright 5 – 7 % P coating.

Advantages of ENDEP 6 system.

• Economical to operate
• Fast plating speed
• High tolerance to contaminants
• Long solution life
• Consistent deposit brightness
• Exceptional stability
• Optional self pH regulating option
• Meets ASTM B733 Type III, MIL-C-26074E, AMS 2404 & AMS 2405.

DEPOSIT PROPERTIES

WARRANTY AND DISCLAIMER: This information is based on our experience and is, to the best of our knowledge, true and accurate. MAR-Tech Holdings Inc. gives no warranty, expressed or implied and the products are sold upon condition that the purchasers will make their own tests to determine the quality and suitability of the product. Any information or suggestions are given without warranty of any kind and the purchasers are solely responsible any loss arising from the use of such information.

Solution Make-up:

1. Add deionized water to a properly cleaned and passivated EN tank (fill to 1/2 tank capacity).
2. Add required amounts of ENDEP 6 B followed by ENDEP 6 A using either air or mechanical agitation to ensure proper mixing.
3. Fill to working volume with deionized water.
4. Mix thoroughly with solution and/or air Agitation and heat to 190 °F.
5. Analyze nickel content and adjust to 6 g/l if necessary.
6. Check pH and adjust^*, if necessary, to 4.9.

   ^*Adjust upward if necessary with 50% ammonium hydroxide or downwards with 10% sulfuric acid.

Solution Maintenance

Bath Replenishment

To ensure proper operation of the ENDEP 6 system, the solution chemistry must be maintained between 85% and 105% of initial activity. This is accomplished by measuring and monitoring the nickel metal concentration via a standard EDTA titration.

The ENDEP SYSTEM is designed to be replenished in a 1:1 of the 6A and 6C.

Upon determination of the nickel metal concentration, additions of both ENDEP 6A and ENDEP 6C or ENDEP 6D are made based on the following calculation and/or replenishment guide.

Replenishment Calculation:

To increase the nickel content by 1 g/l, add 1 litre of ENDEP 6A per 100 litres of plating solution.

To increase the reducer content by 1 g/l, add 2ml/ litre of ENDEP 6C.

The ENDEP 6D is designed as a self regulating pH system and to raise the reducer by 1 g/l, an addition of 2 ml/litres of ENDEP 6D.

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