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General description

Rotvel Avio B is a water or solvent washable red dye penetrant with good/excellent resolution in detecting indications of surface discontinuity. It generates a good red color contrast, combined with good penetration characteristics.


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

In Compliance with

  • ASME Sect. V – Art. 6
  • ASTM E165
  • EN ISO 3452-2/5/6
  • PMUC


  • 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
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 Pasta
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