Chemical Processing

1.

Anodizing

1.1 Chromic Acid Anodizing

MIl – A – 8625 F, Type I ,Class 1,HPS-201

1.2 Sulphuric Acid Anodizing

MIl – A – 8625 F Type II , Class 1 & Class 2, HPS-201

1.3 Hard Anodizing

Mil – A – 8625 F Type III,Class 1 & Class 2, HPS-201

2.

Chemical conversion coating

MIL – DTL – 5541F , Type I and Type II , Class 1A & 3

3.

Cadmium Plating

AMS QQ-P-416F, HPS-205, D1-4426 (ASL – BOEING)

4.

Passivation

ASTM 967, QQ-P-35, AMS 2700F

5.

Dry Film Lubrication

Molykote 321 & Molykote 106

6.

Black Oxide Coating

Not Covered under Nadcap

7.

Mn Phosphate Coating

Not Covered under Nadcap

8.

Electroless Nickel Plating

Not Covered under Nadcap (To be included by 2023)

9.

Tin Plating

Under Capability Expansion Plan

10.

Copper Plating

Under Capability Expansion Plan