The Western Instruments W-PB Powder Bulb Dry Method Magnetic Particles is applied by the inspector with a Powder Bulb. Western’s W-PB has been custom designed for this application. This is the best development in Dry MPI Powder Application in 20 years!

Western Instruments W-PB Powder Bulb has an easy to remove rolled aluminum end cap with an extra large mouth to easily fill with powder. The W-PB-4 is equipped with an adjustable magnet for overhead work.

Western Instruments W-PB Powder Bulb is manufactured with Silicon Rubber, so its characteristics are not affected by cold or hot weather. The Silicon Rubber will not harden with age, or crack due to age or cold weather.