Anodize/Hardcoat:
- MIL-PRF-8625/MIL-A-8625
- Type II- Regular Anodize
- Type III- Hard Coat Anodize (Black/Clear)
- Class I- Clear
- Class II- Color (Black, Gold, Red, Blue)
- (Silver = Clear/Gold = Yellow)
- DULL, FLAT, SATIN, HEAVY
- ETCH = MATTE FINISH
Chromate/Chem film/Iridite:
- MIL-DTL-5541
- Type 1 – Hexavalent chromium
- (not ROHS compliant)
- Type 2 – Trivalent/ non-Hex (RoHS)
- Class 1A – Yellow
- Class 3 -Clear/Light Yellow
- MIL-C-5541 (Obsolete spec still in use)
- Class 1A -Yellow
- Class 3 -Light Yellow
- (This spec does not support RoHS)
Zinc:
- ASTM B633
- Type I – No color, no chromate
- Type II – Colored Chromate
- Type III – Clear/Silver Chromate
- Type V – RoHS Clear
- Type VI – RoHS Black
- *Top coat for black only
Passivation and Pickling:
- AMS2700
- Method 1 – Nitric Acid, Type 2 & Type 3
- Method 2 –Citric Acid
- ASTM A967
- Nitric 1 & Nitric 5
- Citric 4 & 5
Electroless Nickel:
- AMS-C-26074
- AMS2404
- ASTM B733
Electroless Nickel w/ PTFE (Teflon):
- AMS2454
Electropolish:
- ASTM B912
Etching of Aluminum
Powder Coating
Silkscreen:
- Epoxy Screen Ink
- A-A-56032 & MIL-I-43553