Preliminary Requirements

Safety Requirements

WARNING

IT IS THE RESPONSIBILITY OF THE OPERATOR TO OBTAIN AND OBSERVE THE MANUFACTURER'S MATERIAL SAFETY DATA SHEETS FOR CONSUMABLE MATERIALS, THESE CONTAIN INFORMATION SUCH AS, HAZARDOUS INGREDIENTS, PHYSICAL/CHEMICAL CHARACTERISTICS, FIRE, EXPLOSION, REACTIVITY, HEALTH HAZARD DATA, PRECAUTIONS FOR SAFE HANDLING, USE AND CONTROL MEASURES AND ALSO TO TAKE LOCAL REGULATIONS IN TO CONSIDERATION.

WARNING

SAFETY NOTICES MUST BE PLACED IN A CONSPICUOUS PLACE.

WARNING

EVERY POSSIBLE CARE MUST BE TAKEN TO AVOID THE SOLUTION COMING INTO CONTACT WITH THE EYES OR BARE SKIN. PROTECTIVE CLOTHING INCLUDING RUBBER GLOVES AND GOGGLES MUST BE PROVIDED FOR THE OPERATORS WHEN PREPARING AND USING THE ACID SOLUTION. RUBBER GLOVES SHOULD BE CHECKED REGULARLY FOR PIN HOLES AND REPLACED IF NECESSARY.

WARNING

EYE-WASH BOTTLE AND HF BURN JELLY MUST BE PROVIDED AS CLOSE AS POSSIBLE TO THE PLACE OF WORK.

WARNING

IF SKIN BECOMES CONTAMINATED WITH THE SOLUTION IT MUST BE RINSED WITH COPIOUS AMOUNTS OF CLEAN RUNNING WATER.

WARNING

ALL BURNS, HOWEVER SLIGHT, SHOULD BE TREATED AT THE NEAREST SURGERY OR FIRST AID POST.

WARNING

THE SURGERY MUST BE TOLD WHICH SOLUTION (THE ACIDS INVOLVED) HAS CAUSED THE BURN.

Procedure

1. SUBTASK 70-33-08-100-001 Cleaning Solution

   1. Subtask deleted - was cleaning using CoMat 01-071 PRIMARY CLEANER.

2. SUBTASK 70-33-08-100-002 Cleaning Solution

   1. Subtask deleted - was cleaning using CoMat 01-259 CLEANER.

3. SUBTASK 70-33-08-100-003 Nitric Acid/Hydrofluoric Acid Solution (HNO3/HF)

   1. General.

      The nitric acid/hydrofluoric acid solution is used to etch aluminum components prior to the Zincate treatment. The nitric acid/hydrofluoric acid solution must be used in a suitable tank which must have agitation and extraction facilities. A Glass Fibre Reinforced Plastic container lined with PVC is recommended, but the chemical supplier will be able to provide more specific advice.

      1. Basic Composition.

         1. Each 264 gal (1000 l) of nitric acid/hydrofluoric acid solution is made-up from 161 gal (610 l) of CoMat 01-262 NITRIC ACID, or 121.5 gal (460 l) of CoMat 01-263 NITRIC ACID, and 8 gal (30 l) of CoMat 01-199 ACID ADDITION AGENT, or CoMat 01-200 ACID ADDITION AGENT, in CoMat 01-201 DISTILLED, DEIONIZED, DEMINERALIZED, OR REVERSE OSMOSIS (RO) WATER.

   2. Make-up of Nitric Acid/Hydrofluoric Acid Solution.

      1. Fill the container to 33 percent of its operating volume with distilled or deionized water.

      2. Slowly stir-in the specified volume of nitric acid.

      3. Stir-in the specified volume of acid addition agent.

      4. Fill the container to its operating volume with distilled or deionized water.

   3. Testing.

      1. The nitric acid/hydrofluoric acid solution must be tested for HN03 and HF content, once a month, as specified in SUBTASK 70-33-08-200-003.

4. SUBTASK 70-33-08-100-004 Zincate Solution (CoMat 01-544)

   1. General.

      1. The zincate process is a treatment for aluminum and its alloys which allows electroless nickel to be plated directly on them. A Polypropylene, or a PVC lined mild steel, or a suitable container recommended by the chemical supplier. The process tank must be fitted with heating and extraction facilities is required for the process.

   2. Make-up of Zincate solution.

      Make-up the CoMat 01-544 ZINCATE SOLUTION, in line with the manufacturer's instructions.

      1. For information only: mix the zincate concentrate thoroughly in the supply container, then add to the partially filled working container. Then fill the working container to its operating volume with deionized water.

      2. For control procedure for Zincate solution refer to SUBTASK 70-33-08-200-007.

5. SUBTASK 70-33-08-100-005 Nitric Acid Solution (HNO3)

   1. General.

      1. The nitric acid solution is used to remove surface smut or the zincate coating. The nitric acid solution must be used in an acid resistant steel container, or a Glass Fibre Reinforced Plastic container lined with PVC. The tank must be have heating, agitation and extraction facilities.

      2. Basic Composition.

         1. Each 264 gal (1000 l) of nitric acid solution is made up from 211 gal (800 l) of CoMat 01-262 NITRIC ACID, or 158 gal (600 l) of CoMat 01-263 NITRIC ACID, in CoMat 01-201 DISTILLED, DEIONIZED, DEMINERALIZED, OR REVERSE OSMOSIS (RO) WATER.

   2. Make-up.

      1. Fill the container to 20 percent of its operating volume with distilled or deionized water.

      2. Stir-in the specified volume of nitric acid, stirring intensely.

      3. Fill the container to its operating volume with distilled or deionized water, then stir to mix.

      4. If necessary, heat the solution.

   3. Testing.

      1. The nitric acid solution must be tested for HN03 content, once a month, as specified in SUBTASK 70-33-08-200-004.

6. SUBTASK 70-33-08-100-006 Electroless Nickel Plating Solution (Solution Code 85) Deleted

7. SUBTASK 70-33-08-100-009 Make-up of Electroless Nickel Plating Solution (CoMat 01-545 or CoMat 03-230)

   1. NOTE

      This subtask applies to the make-up of all electroless nickel solutions other than electroless nickel Solution Code 86 and Solution Code 155.

      NOTE

      Filtration of electroless nickel solutions is essential for satisfactory working of the process.

      General.

      1. CoMat 01-545 ELECTROLESS NICKEL PLATINGSOLUTION or CoMat 03-230 PLATING MATERIAL are used for electroless nickel plating. For satisfactory operation, electroless nickel plating must be done in a polypropylene container, or a passivated stainless steel container, or a high grade steel container with anodic tank protection. The container must be fitted with agitation, filtration, heating and extraction facilities.

   2. Make-up of Electroless Nickel solution.

      1. Make-up the CoMat 01-545 ELECTROLESS NICKEL PLATINGSOLUTION or CoMat 03-230 PLATING MATERIAL, in line with the manufacturer's instructions.

      2. For control procedure for electroless nickel solution refer to SUBTASK 70-33-08-200-006.

   3. Testing.

      1. The electroless nickel plating solution must be tested, as specified in SUBTASK 70-33-08-200-006.

      2. Quality inspection samples must be taken, as specified in SUBTASK 70-33-08-200-006.

8. SUBTASK 70-33-08-100-007 Electroless Nickel Plating Solution (Solution Code 86) (Niklad 1000AM)

   1. General.

      1. This solution is used for electroless nickel plating. For satisfactory operation electroless nickel plating must be done in a polypropylene container, or a high grade steel container with anodic tank protection. The process tank must be fitted with agitation, filtration, heating and extraction facilities.

   2. Composition, make-up, and maintenance.

      1. Refer to the SPM TASK 70-33-27-330-501, SUBTASK 70-33-27-180-053 for the composition, make-up and maintenance for Solution Code 86 electroless nickel plating solution.

   3. Testing.

      1. The electroless nickel plating solution must be tested, as specified in SUBTASK70-33-08-200-006.

      2. Quality inspection samples must be taken, as specified in SUBTASK 70-33-08-200-006.

9. SUBTASK 70-33-08-100-008 Electroless Nickel Plating Solution (Solution Code 155) (OMG-Fidelity 5005)

   1. General.

      1. This solution is used for electroless nickel plating. For satisfactory operation electroless nickel plating must be done in a polypropylene container, or high grade steel container with anodic tank protection. The process tank must be fitted with agitation, filtration, heating and extraction facilities.

   2. Composition, make-up, and maintenance.

      1. Refer to the SPM TASK 70-33-27-330-501, SUBTASK 70-33-27-180-070 for the composition, make-up and maintenance for Solution Code 155 electroless nickel plating solution.

   3. Testing.

      1. The electroless nickel plating solution must be tested, as specified in SUBTASK 70-33-08-200-006.

      2. Quality inspection samples must be taken, as specified in SUBTASK 70-33-08-200-006.

10. SUBTASK 70-33-08-100-010 Typical Make-up and Operating parameters, for information only

    		Name		Initial Make-up		Operating Temperature		Immersion Time or Deposition Rate
    CoMat 01-545 ELECTROLESS NICKEL PLATINGSOLUTION		Enthone Enplate Ni 415 (Medium Phosphorus Electroless Nickel)		24 percent Enplate 415A, 9.5 percent Enplate 415B v/v in deionized water. Solution pH range 4.5 to 4.8		190 to 194 deg F (88 to 90 deg C)		Dependent on condition of solution, up to 15 microns/hour
    CoMat 01-544 ZINCATE SOLUTION		Enthone Alumon EN (Zincate)		20 to 30 percent v/v in Deionized water		70 to 115 deg F (21 to 46 deg C)		Typical concentration 300 g/l 15 seconds to 2 minutes
    CoMat 01-538 Electroless Nickel Plating Solution B		OMG-Fidelity 5005 (High Phosphorus Electroless Nickel)
    CoMat 01-544 ZINCATE SOLUTIONB		OMG-Fidelity 3116M (Zincate)		20 to 40 percent v/v in deionized water		60 to 80 deg F (15 to 26 deg C)		15 seconds to 2 minutes
    CoMat 03-356 ELECTROLESS Ni SOURCE/REPLENISHER		MacDermid Niklad 1000AM (High Phosphorus Electroless Nickel)				178 to 190 deg F (81 to 88 deg C).		Dependent on condition of solution, approximately 7.5 to 15 microns/hour
    CoMat 01-545 ELECTROLESS NICKEL PLATINGSOLUTIONB		MacDermid Niklad 794 (Medium Phosphorus Electroless Nickel)		8 percent Niklad 794A, 15 percent Niklad 794B v/v in deionized water. Solution pH range 4.5 to 5.2		183 to 198 deg F (84 to 92 deg C)
    CoMat 01-545 ELECTROLESS NICKEL PLATINGSOLUTIONA		Atotech Nichem 2500 (Medium Phosphorus Electroless Nickel)				185 to 196 deg F (85 to 91 deg C)		Dependent on condition of solution, approximately 17 to 25 microns/hour
    CoMat 01-545 ELECTROLESS NICKEL PLATINGSOLUTIONC		Atotech Eden 300 (Medium Phosphorus Electroless Nickel)				187 to 194 deg F (86 to 90 deg C)		Dependent on condition of solution, approximately 14 to 18 microns/hour
    CoMat 03-230 PLATING MATERIAL		Rohm and Haas Niposit 65 (Medium Phosphorus Electroless Nickel)
    CoMat 01-544 ZINCATE SOLUTIONA		Rohm and Haas Duraprep 520 (Zincate)
    Nitric acid		Etchant				64 to 131 deg F (18 to 55 deg C )		Approximately 30 seconds
    Nitric acid Hydrofluoric acid mixture		Etchant				64 to 82 deg F (18 to 28 deg C)		Up to 2 minutes