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Custom Fabrication: MPI Dark Room for MPI Testing

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Hi my readers. How you’ve been. Welcome to another episode of “CS MARINE BLOG POST” *insert opening music here and dramatic hand gesture*.

Anyway, for this week’s topic, we would talk about particle testing. No, we are not experts at particle testing, however as we do many custom fabrication projects, we do provide our clients with darkrooms for them to carry out their particle testing.

Let’s begin with, what is Magnetic Particle Testing? In short, Magnetic Particle Testing or MPI for Magnetic Particle Inspection is done to detect cracks, inclusions, seams, laps and other discontinuities at or near the surface of ferromagnetic materials such as iron, nickel, cobalt and most of their alloys. MPI is essential in indicating defects to the inspector and rectifying process can take place.

Usually, MPI is done in a darkroom just like the picture shown above. However, it varies in sizes. The MPI booth that we customized for our clients can be expanded up to 28ft. This MPI booth is made of aluminum with reinforced steel structure for sturdiness. It was painted matte black using an epoxy matte black paint to darken the room further. With a proper suction exhaust fan and ducting system, this MPI dark booth is adequately ventilated.

Some dark booth goes a step further to include processing racks inside, but some have a separate room for its processing racks. Processing racks can be either manual or machine operated. A manual processing rack usually consists of 4 stainless steel tanks. Each of the tanks is filled with chemicals for developing, stop, fixing, and rinsing respectively. Then the film would either go to a dryer or be hung to dry whereas the machine operated processing racks will process the film automatically.

I hope you readers enjoy this mini info on MPI testing and MPI booth. If you’d like us to carry out any custom fabrication, feel free to call us at +65 62656706 or email us at admin@csmarine.com.sg for further enquiries.

Have a nice day my lovely readers.

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Guest Tuesday, 18 January 2022

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