Ardrox 185L (SAE ARP 1755B) is a highly alkaline concentrated solution in water containing sequestrants. It is also available as a powder under the name Ardox 185.
Ardox 185L is primary intended for the removal of heavy rust and scale from ferrous components in immersion tanks but it is also capable to remove oil, grease and some air-dried paints. It will not attack or cause hydrogen embrittlement in ferrous alloys and there is markedly less tendency for re-rusting to occur than with acid pickling.
When used in conjunction with the adequate other Ardox specialties, Ardox 185L can be used to remove scale from hot-end jet engine components. It can also be cleaning parts of titanium.
| Country | Specification |
|---|---|
|
British Military
|
DEF STAN 03-2
|
|
Boeing CML
|
PWC 11-063
|
|
CFM International (CFMI) |
Approved for CFM56 engines
|
|
Rolls-Royce |
CSS 244 and OMat specifications
|
|
SNECMA |
DMR 70-620
|
|
General Electric (GE) |
SPMC 70-80-04
|
|
Pratt & Whitney |
SPMC 70-12-00
|
|
International Aero Engines (IAE) |
V2500
|
|
Turbomeca |
Approved
|
SAE ARP 1755B (Aerospace Recommended Practice for cleaning)
Jet Engine Maintenance
Rust & Scale Removal
Application & Usage
Post-Cleaning & Protection
Too SeeArdrox 185L (SAE ARP 1755B) technical data sheet (TDS) and the Ardrox 185L (SAE ARP 1755B) safety data sheet (SDS). Visit here
Ardrox 185L is a highly concentrated alkaline liquid cleaner formulated for the removal of heavy carbon, scale, and stubborn metallic oxides. It is primarily used in aircraft engine overhaul shops to clean hot-section components made of heat-resistant alloys, such as stainless steel, titanium, and nickel-based superalloys.
As a liquid concentrate, Ardrox 185L is easier to handle, mixes instantly with water, and eliminates the health hazards associated with breathing in chemical dust. It ensures a more consistent bath concentration and prevents the "clumping" issues often found with powdered alternatives in immersion tanks.
Ardrox 185L is qualified to the DEF STAN 03-2 (Grade 2) specification. It is also approved by major engine manufacturers including Rolls-Royce (CSS 240) and GE (C04-142) for use in chemical cleaning and de-scaling processes.
No, Ardrox 185L is a strong alkaline cleaner and should not be used on aluminum, magnesium, or galvanized surfaces as it will cause rapid etching and damage to the metal. It is strictly intended for ferrous metals, titanium, and nickel alloys found in high-temperature engine zones.
©2008-2025 Favia International. All rights reserved.
