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General description

The grey dye magnetic powder P4.1o is used for dry magnetic particle inspection in white light.


5 Kg jar
Part Number: 01011004
25 Kg metal drums

In Compliance with

  • UNI EN ISO 9934-2
  • ASME V Art. 7
  • ASTM E709
  • ASTM E1444
  • AMS 3040


  • Ready to use.
  • Forms clear and visible indications.
  • Excellent contrast with the surface under examination.
  • Excellent particle mobility.

Product Properties

Color in UV light
Average particle size
90 μm

User Recommendations

NDT Method
Visible magnetic particle inspection, dry method
Shelf life

3 years at T between 5°C and 45°C, in a dry place safe from direct sunlight

Application medium
Powder throwers or sprinkler devices
Preliminary cleaning
Recommended accessories according to standards ASTM E1444 ASTM E709 EN ISO 9934-2

Sedimentation glass tube – Magnetic Stripe Card Type 2000 – Reference Block Type I / MTU Test – Reference Block Type II – Flexible Laminated Strips – Tool Steel Ring AS 5282 Type and Ketos 01 Type – Octagonal flat plate

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    CGM CIGIEMME S.p.A. designs and manufactures a complete range of Magnetic Testing (MT) and Penetrant Testing (PT) systems, from simple equipment to highly customized systems, also offering a complete range of consumables, tools, accessories and instruments used in the MT and PT fields.
    CGM CIGIEMME S.P.A. - N°REG.IMPR., C.F. E P.I.: 05732470967 - N° REA: MI -1843908 - CAPITALE SOCIALE: € 500.000.00 I.V. - powered by 3Bit