Welding supplies
/Non-Destructive Testing(NDT)
to think the nature and environment.
Fluorescent magnetic particle spray(MT chemical)

Packing unit :

Aerosol 450㎖/Can, 20cans/Box , 6cans/Box

Product information

 YECOA YL-808 is high-sensitivity fluorescent magnetic particles, which show yellow green

fluorescent color under Black light (ultraviolet radiation wavelength of 365nm). It is of a non-corrosive,

low toxicity, high-boiling point, oil-based type as an economical and efficient product with certain

identification since it is uniformly coated upon spray with addition of a special dispersant and refined

fluorescent magnetic particles.


Seams, Shrinkage Cracks, Tears, Laps, Flakes.

Welding Defect, Grinding Cracks, Quenching Cracks, Fatigue Cracks.

Iron, nickel, cobalt and their alloys being materials suitable for magnetic particle testing 

    (Magnetic body products)



How to use

Always wear safety equipment before work.

1. Please clean the contaminants on the surface that needs to be tested with cleaner

    (YL-801)(Dry Time 5 10min)

2. Please form the magnetizing current magnetic field.

3. Please spray the fluorescent magnetic particle spray (YL-808) evenly.

4. Please shine the Black Light (Ultraviolet Ray Wavelength 365nm).

5. Please examine the testing area with naked eye.


 Please observe the following points when storing and using the product and discard.

● Even though it is low-flammable, keep away from fire to spray it.

● Provide good ventilation for long-time use.

● Keep it in the well-ventilated place below 40℃.

● Do not use it toward fire.

● Do not use near heater or stove.

● Do not use in the room using fire.

● Do not keep it in the place above 40℃.

● Provide ventilation to use it in the closed room.

● Do not throw it away into fire.

● Punch the can to throw it away.

● Do not keep it in the closed place.

● Spraying may not work well below 5℃.

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(49422) 83, Bibong-ro, Saha-gu, Busan, Korea. TEL. (82-51) 207-2091 FAX. (82-51) 202-5545 CUSTOMER SERVICE. 1599-0150 E-Mail : yispray@yecoa.com
Entrepreneur : Lee Geun-hong Corporate registration number : 603-81-23835