Ardrox 800-3

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Description

Ardrox 800-3

Ardrox 800-3 is a ready-to-use colour contrast magnetic ink ideal for the inspection of ferromagnetic materials, structures and components by the magnetic particle inspection method. A typical application is the inspection of welds, pressure vessels and pipeline in the oil, gas and petrochemical industries as well as power plants.

Ardrox 800-3 consist of very finely divided black magnetic particles suspended in high flash point, dearomatized, odourless petroleum distillate designed to provide good particle mobility. The particles have been selected for their high magnetic response, low coercivity and prolonged operational life.

Ardrox 800-3 and Base Oil HF use a hydrocarbon oil corresponding to the AMS 2641, Type 1 Magnetic Particle Inspection Vehicle with a flash point exceeding 93°C / 200°F.

Ardrox 800-3 is available as bulk material and as aerosol. It offers optimal performances when used together with the Ardrox® 8901W or 8903W contrast paint.

Specifications

Properties
Appearance	Suspension of black powder
Colour in visible light	Black
Mean particle size*
SAE sensitivity**
White Light	>500 Lux
Odour	Odourless
Flash point	>93°C

Use recommendations
NDT Method	Magnetic Particle Testing, Non-fluorescent / Visible, Wet Method
Suspension Vehicle	Kerosene
Required Equipment	Magnetising device, UV light source
Temperature Range*	0 to 75°C
Viscosity	3.0 at 40°C
Settling Volume	1.5 – 2.4ml
Coverage
Accompanied by	8903W

Application

Aerosol cans and bulk containers must be shaken thoroughly before and during use in order to homogenize the powder concentration.

Method of use

Surface temperature should be between -20 and 75°C (-4 to 165°F). Components are magnetized and Ardrox® 800/3 is applied to the test area, normally by spraying immediately prior to and during magnetization. Application of Ardrox® 800/3 should cease before the magnetization is switched off. Defects will show up as well defined black indications and inspection should take place in good white light of at least 500 Lux (refer to the controlling specification for levels of ambient light acceptable for inspection).

White contrast paint

It is not practical to use Ardrox 800-3 on dark substrates as it would be difficult for the inspector to identify indications against the dark background. Therefore, the white contrast paint Ardrox® 8901W or 8903W is frequently used to provide a contrasting background against the black indications (alternatively, fluorescent fluids such as the Ardrox® 8 series inks may be used if a UV light is available). Ardrox® 8901W or 8903W can then be left on the
surface or removed with an appropriate Ardrox® solvent cleaner, for instance Ardrox® 5319.

Effects on materials

When Ardrox® 800/3 is used in the prescribed manner, no significant corrosion will occur on ferrous materials. Equipment/tanks should be constructed of stainless steel.

Storage

Store in a cool place, with protection from freezing conditions. Shelf life of Ardrox® 800/3 is 36 months.

Labour and environmental protection

Before operating the process described it is important that this complete document, together with any relevant Safety Data sheets, be read and understood. All local and national regulations on the transport, storage, use and waste treatment of chemicals in concentrated or diluted form and as working solutions must be obeyed.

General Information

Chemetall supplies a wide range of chemical products and associated equipment for cleaning, descaling, paint and carbon removal, metal working and protection and non-destructive testing. Sales Executives are available to advice on specific problems and applications.

Request a free quote today.

Informations complémentaires

Manufacturer	Chemetall
Package Size	Bulk 4×5L, Aérosol 400ml, Cas des aérosols 10×400ml