Phosphoric Anodising (PAA)

Our PAA facility is being upgraded continuously to improve turnaround and capacity to assist demands from the aircraft executive seating, aircraft interiors, automotive and general aerospace and defence markets.

Phosphoric acid anodising, or PAA, was developed by the Boeing Company, as a structural bonding surface and is used for structural adhesive bonding in high-humidity environments.
This process is known as the “Boeing Process.”

The formed oxide film has a greater durability under adverse conditions than film formed in chromic acid and sulphuric acid anodising.

One of the reasons for the great adhesive property is said to be due to the morphology of the oxide film, which consists of pores with whiskers or protrusions on the top surface of the formed film.

Our processes conform to the following specifications:-

D3933-98Phosphoric Anodising
Zodiac Aerospace Standard EPS 2035
Zodiac Aerospace Standard EPS 2025-2

Structural Bonding Primers and corrosion inhibiting Primers(Choice of)
3M EC3960
3M EW-5000-AS
Redux 112
Cytec BR252
Cytec BR127
Cytec BR 6747

Why use Diamond Metal Finishing?

Because you need a metal finisher who is reliable and can give you the customer the very best quality available, by processing your parts to an unrivalled,  consistent, pleasing quality, finished right first time to meet the relevant performance criteria.

Spray painters and production operatives are required for immediate start within our metal finishing facility.
Experience preferred but not essential, shift work may be required.
Please apply to :