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General description

Rotvel Avio B is a water washable / solvent removable red dye penetrant with excellent resolution in detecting indications of surface discontinuity. It generates a high level of red color contrast, combined with good penetration characteristics. The penetrant is characterized by excellent washability which allows to reduce background marks and false indications. The excellent washability also allows savings in terms of time and water consumption. The penetrant is designed to guarantee performance as Level 2, in compliance with applicable standards.


400 ml spray
Part Number: 03021810
10 l cans
Part Number: 02021810
200 l metal drums

In Compliance with

  • ASME Sect. V – Art. 6
  • ASTM E165
  • EN ISO 3452-2/5/6
  • PMUC
  • AMS 2644 (Complies with the standard, but not included in the QPL list)


  • Good penetration characteristics.
  • Intense and contrasting color.
  • Good resolution of discontinuities – water removal.
  • Excellent discontinuity resolution – solvent removal.
  • Wide range of applications, it can be used at T between 0°C and 80°C.
  • Excellent washability in a wide range of temperatures and penetration times.

Product Properties

Type / Method
Type 2 / Method A-C
Level 2

User Recommendations

NDT Method
Water or solvent washable dye liquid penetrant inspection
Shelf life
3 years at T between 5°C and 45°C
Usage temperature
From 0°C to 80°C (cans)
From 0°C to 50°C (spray)
UNI EN ISO 3452-5 e 6
Standard penetration time (from 10°C to 50°C)
From 5 to 10 min.
Penetration time from 0 to 10°C
Standard penetration time x2 (minimum 15 min.)
Penetration time from 50 to 80°C*
Max. 10 min.
Preliminary cleaning
Final washing
Water – Velnet Solnet – Velemulsior – Detergente H2O
Rotrivel U − Rotrivel H2O Paste
Accessories EN ISO 3452
Reference block type 1
Reference block type 2

* If used in spray, do not exceed 50°C.

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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