Aluminium surface conversion coatings |
Sulphuric Acid Anodise | MIL-A-8625, AMS 2471, AMS 2472 |
Chromic Acid Anodise | MIL-A-8625, AMS 2470 |
Tank Sizes 1200mm square and 2850mm deep.A range of colour dyes can be applied to small articles. |
Hard Anodise | MIL A-8625DEF 03-26 |
Chromate Conversion Coatings | MIL-C-5541 |
Anodise Strip | MIL STD 871 |
Dichromate Sealer | MIL-A-8625 |
Brush plating |
Specifications | MIL Std 865 |
Selectron and Dalic units are employed with a full range of electrolytes. The process is portable and is suitable for in-situ repairs such as spot corrosion treatment and protection, rebuilding of worn areas, pit-filling of hydraulic cylinders and other plated items. |
Cadmium |
Specifications | DEF 03-19/2QQ-P-416MIL STD 870 | N99.400 (R70-6441)N99.401 (R70-6443) |
Tank Sizes: 1200mm square and 1050mm solution depthOne tank provides for bright specular deposits, while the other caters for high tensile steels (Low Hydrogen Embrittlement). Chromate conversion coatings can be applied to cadmium deposits. |
Chromium |
Specifications | AMS-QQ-C-320, AMS 2406 MIL STD 1501 |
Tank Sizes: 1200mm square and 2250mm solution depth 900mm square and 1050mm solution depth |
Chromium Strip | MIL STD 871 |
Copper |
Specifications | AMS 2418 |
Tank Size 900mm square and 750mm solution depth |
Magnesium alloy surface conversion coatings |
Specifications | MIL-M- 45202 |
Tank Size 900mm square and 1000mm deep. |
Nickel |
Low Stress Sulphamate Nickel | AMS 2403, AMS 2423, AMS 2424, MIL STD 868 |
Tank Size 1200mm square and 1050 mm solution depth |
Nickel/Cadmium diffusion |
Specification | TO 2-1-111 |
This process provides corrosion protection for steel parts in high temperatures (up to 482C). |
Electroless nickel |
Specification | MIL-STD-26074, AMS 2404, AMS 2405 |
Three types of solution are available to provide high or low phosphorus deposits which may be applied to most metal substrates including aluminium. Deposit hardness ranges from Rockwell C46 to C58. Post plate heat treatments can increase this to Rockwell C72. |
Silver |
Specification | AMS 2410, AMS 2412 |
Tank Size 900mm square and 750mm solution depth |
Steel surface conversion coatings |
Phosphate | MIL DTL 16232 TYPE M, MIL DTL 16232 TYPE Z, AMS 2480, AMS 2481 |
Tank Sizes 900mm square and 1000mm deep.The two processes are known as Parko GZ, which is zinc based, and Parkolubrite 2 which provides a heavier manganese based finish. |
Black Oxide | AMS 2485 |
Tank Size 500mm square and 1000mm deep. |
Passivation of stainless steel | AMS 2700 |
Salt spray testing of coatings |
Salt spray testing of coatings IAW manufacturers specifications. |
Cleaning procedures |
| Pratt & Whitney | Rolls RoyceTSD 594 |
Hot Vapour Degreasing | SPOP 3 | OP 101 |
Cold Petroleum Solvent Degreasing | SPOP 255 | OP101 |
High Pressure Water Blasting | N/A | N/A |
Soft Grit Blasting | SPOP 8 | OP 104 |
Wet Abrasive Blasting | SPOP 9 & 16 | OP 104 |
Dry Grit Blasting | SPOP 732 | OP 104 |
Glass Bead Blasting | SPOP 17 | OP 104 |
Cold Carbon Cleaning | SPOP 7 | OP 109 |
Stripping Organic Coatings From Metallic Components | SPOP 260 | OP 137 |
Rockhard Lacquer Removal | N/A | 72-32-00 Viper Only Removal Page 202 Para 4 |
Four Step Alkaline Derusting With Inhibited Phosphoric Acid | SPOP 211C | OP 111/ OP 121 /SP 114 |
Three Step Alkaline Derusting Without Inhibited Phosphoric Acid | SPOP 213B | OP 121 / OP 114 |
One Step Alkaline Corrosion Removal Quick Soak | SPOP 18 | |
Fuel Nozzle Support Cleaning | NZAP 6111.002-3.6WP 185.00 NZ9J52 only | |
Carbon Solvent and Pressure Flushing of Engine Bearings | SPOP 14 | OP 112 |
Degreasing by Aqueous Cleaning | SPOP 209 | OP 102 |