WS Crack 4 is a spray to be applied on ferritic welded parts to find a discontinuity in the magnetic field and thus find the crack in the part. Due to the very small particle size and magnetic fields, it allows very accurate detection of defects.

Characteristics of Crack 4 Black Magnetic Particles Spray 400ml:

• High detection sensitivity.
• 2 micron particle.
• Easy to remove.