Johnson and Allen NEOASTRA FW Fluorescent Magnetic Ink



Neoastra FW is a water based fluorescent magnetic ink for use in MPI and was formulated to give defined indications using the highest grade of magnetic particles which were selected for their response to very low magnetic fields and for low coercivity. Neoastra FW is ideal for the inspection of welds, pressure vessels, structures, pipes, castings, forgings and most other ferromagnetic components.

Certified to meet Sulphur and Halogen levels required by military, nuclear and ASME standards.

Available in 5L and 25L bulk containers. 

Product Data:

UV Light Requirements >1000 μW/cm2
White Light Requirements <20 Lux
Flash Point >100°C
Carrier Fluid Water
Method Wet Method
Type Fluorescent
Temperature Range 5 to 50°C
Shelf Life Bulk – 36 Months
Standards ISO 9934
ASTM E1444

Safety and product data downloads:



400ml aerosol can, 5 litre bulk container, 25 litre bulk container


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