Twickenham Plating Group
Request More InformationRange of Finishes and Specifications
The following table details our full range of finishes and specifications:
| PROCESS | TYPE | METHOD | BASE MATERIAL | SPECIFICATION |
|---|---|---|---|---|
| Palladium | Pure. Palladium/nickel |
Selective, barrel and rack | Copper Alloys, Steel, Aluminium, Die Castings | Customer Specification |
| Rhodium | Pure | Selective, barrel and rack | Copper Alloys, Steel, Aluminium, Die Castings | Customer Specification |
| Gold | Hard. Pure. Thallium Free. Immersion Gold | Reel to Reel (all over, selective plating and spot plating), barrel and rack. Selective plating on loose parts. | Steel, Copper Alloys Zinc Die Castings Aluminium | DEF 03-17, MIL-G-45204, ASTM B488, BS4292: PART 1 & PART 2 |
| Silver | Semi-bright. Bright. Dull. Antimonial | Reel to Reel (all over, selective plating and spot plating), barrel and rack. | Steel, Copper Alloys Zinc Die Castings Aluminium | BS 2816. DEF03-9, QQ-S-365, BS 4290 |
| Copper | Cyanide. Acid. Pyrophosphate | Reel to Reel (selective), barrel and rack | Steel, Aluminium, Zinc Die Castings, Copper Alloys | AMS-2418 |
| Nickel | Dull. Bright. Semi-bright. Ductile | Reel to Reel (all over, selective plating and spot) barrel and rack | Steel, Copper Alloys, Aluminium, Zinc Die Castings | QQ-N-290, DEF 03-27, BS4758 |
| Electroless Nickel | Low, medium, high phosphorus. Non-magnetic | Selective, rack and barrel | Steel, Copper Alloys, Aluminium, Die Castings | DEF 03-5, AMS 2404, MIL-C-26074, AMS 2405, AMS 2433, ASTM B656, ASTM B733 |
| Tin | Bright and dull | Reel to Reel (all over, selective) barrel and rack | Steel, Copper Alloys, Aluminium | DEF 03-8, BS 1872, MIL-T-10727 |
| Tin/Lead | 60/40. 90/10 | Reel to Reel (all over, selective), barrel and rack | Steel, Copper Alloys, Aluminium | BS6137, DEF03-15, MIL-P-1728 |
| White Bronze | Semi-bright | Barrel and rack | Steel, Copper Alloys | Customer Specification |
| Zinc Cobalt | Passivated. Clear-Colour. Black and Olive Drab | Rack | Steel, Copper Alloys, Aluminium | Customer Specification |
| Chromate | Alochrom 1200 Alochrom 1000 Alochrom 100 |
Rack | Suitable Aluminium | DEF 03-18, MIL-C-5541 |
| OTHER PROCESSES | Heat treatment: Adhesion enhancement, hardening, stress relieving, de-embrittlement, in nitrogen, Salt spray testing, |
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