Supramor 4B

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Description

Supramor 4B

Chemetall’s Supramor 4 Black is a ready to use colour contrast Magnetic Ink used in the Magnetic Particle Inspection process. It is available in both aerosols and bulk. The ink has a very fine particle size, mineral oil and suspending agent in a high flash. It is used in conjunction with suitable magnetising equipment to locate fine surface and slightly subsurface discontinuities in ferromagnetic materials. Typical defects found include shrink cracks, welding defects, grinding cracks, quenching cracks and fatigue cracks. Supramor 4B gives clear black indications when viewed in daylight.

Supramor 4B is a highly sensitive oil-based product for non-fluorescent (visible) wet method magnetic particle testing to locate fine and medium discontinuities on finished parts. It has a high flash point with good particle mobility, it uses the highest grade of particles, selected for their response to very low magnetic field strengths and also low coercivity.

Maximise indication detection

• Heavy build-up of highly magnetic particles around all leakage fields make for heavy-contrast indications, especially when used with WCP712 or WCP722 (White Contrast Paints) and their remover S76

Convenient to use

• Inspect in all conditions without the need for darkness or UV lights
• The visible particles come in a convenient, aerosol format to be easily carried and used in the field

Wide application versatility

• Inspect a wide range of components without fear of corrosion or specification non-conformance

Features

• Clear indications under visible light
• Heavy particle build-up
• Great particle mobility
• Protects parts and equipment against any significant corrosion
• Broad spray pattern provides even surface coverage over large areas
• Very fine particle size

Specification Compliance

• AMS 2641
• TLV 9612 01
• E1444
• ISO 9934-2
• AMS 3043
• AMS 2641

Ideal for:

• Welds
• Pressure vessels
• Pipelines
• Petrochemicals

Defect examples:

• Grinding or heat treatment cracks
• Forging bursts
• Laps
• Porosity
• Inclusions

Instructions for use

Use Supramor 4B with appropriate magnetisation procedure and equipment. For best results, all components, parts, or areas to be tested should be clean and dry prior to testing to provide an optimal test surface and reduce particle suspension contamination.

1. Use in a well ventilated area
2. For best results, apply the white contrast paint (the manufacturer recommendation is either WCP712 or WCP722) before the Supramor 4B to improve contrast and inspection sensitivity
3. Shake aerosol can well before use and occasionally during application to ensure suspension uniformity and concentration
4. Hold the can 20 to 30cm from the area to be tested
5. Using the continuous or residual application method, spray particle suspension over the test area until it is completely covered
6. Inspect under visible light

To verify particle concentration, perform a sensitivity check using a known test standard prior to inspection.

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
Settling Volume	1.5 to 2.4ml
Viscosity	2.2 at 40°C
Coverage
Accompanied by	WCP712/WCP722

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Additional information

Manufacturer	Chemetall
Package Size	Bulk 25L, Bulk 4×5L, Aerosol can 400ml, Case of aerosols 10×400ml