ISO 3452-2:2021
Non-destructive testing — Penetrant testing — Part 2: Testing of penetrant materials
This document specifies the technical requirements and test procedures for penetrant materials for their type testing and batch testing. This document covers the temperature range from 10 °C to 50 °C. Additional tests in ISO 3452-5 or ISO 3452-6 can be required outside this range.
On-site control tests and methods are detailed in ISO 3452‑1.
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
4.1 Testing products
4.2 Sensitivity levels
4.2.1 General
4.2.2 Penetrant baseline sensitivity
4.2.3 Product family sensitivity
4.2.4 Fluorescent systems
4.2.5 Colour contrast systems
4.2.6 Dual-purpose product family
5 Testing of penetrant materials
5.1 Personnel
5.2 Testing facilities
5.2.1 Type testing
5.2.2 Batch testing
5.2.3 Process and control testing
5.3 Reporting
5.3.1 Type testing
5.3.2 Batch testing
5.4 Tests
5.4.1 Sensitivity test
5.4.2 Penetrants
5.4.3 Excess penetrant removers (excluding method A)
5.4.4 Developers
5.4.5 Batch tests for spray cans
6 Test methods and requirements
6.1 Appearance
6.2 Penetrant system sensitivity
6.2.1 Fluorescent penetrants (type I)
6.2.2 Colour contrast penetrants (type II)
6.3 Density
6.3.1 Test method
6.3.2 Requirements
6.4 Viscosity
6.4.1 Test method
6.4.2 Requirements
6.5 Flashpoint
6.5.1 Test method
6.5.2 Requirements
6.6 Washability (method A penetrants)
6.7 Fluorescent brightness
6.7.1 Test method
6.7.2 Requirements
6.8 UV stability
6.8.1 Test method
6.8.2 Requirements
6.9 Thermal stability of fluorescent brightness
6.9.1 Test method
6.9.2 Requirements
6.10 Water tolerance
6.10.1 Test method
6.10.2 Requirements
6.11 Corrosive properties
6.11.1 General
6.11.2 Type testing
6.11.3 Batch testing
6.12 Content of sulfur and halogens (for products designated low in sulfur and halogens)
6.12.1 Test method
6.12.2 Requirements
6.13 Residue on evaporation/solid content
6.13.1 Solvent removers
6.13.2 Form d and e developers
6.14 Penetrant tolerance
6.14.1 Lipophilic emulsifier (method B)
6.14.2 Hydrophilic emulsifier (method D)
6.15 Developer performance
6.16 Re-dispersability
6.16.1 Water-suspendable developers
6.16.2 Solvent based developers (non-aqueous)
6.17 Density of carrier liquid
6.17.1 Test method
6.17.2 Requirements
6.18 Product performance (pressurized containers)
6.19 Particle size distribution
6.20 Water content
6.20.1 Test method
6.20.2 Requirements
7 Packaging and labelling
Annex A (normative) Comparison of fluorescent brightness
Annex B (normative) Equipment for determination of the visibility of fluorescent indications
Annex C (informative) List of reference materials
Bibliography
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
4.1 Testing products
4.2 Sensitivity levels
4.2.1 General
4.2.2 Penetrant baseline sensitivity
4.2.3 Product family sensitivity
4.2.4 Fluorescent systems
4.2.5 Colour contrast systems
4.2.6 Dual-purpose product family
5 Testing of penetrant materials
5.1 Personnel
5.2 Testing facilities
5.2.1 Type testing
5.2.2 Batch testing
5.2.3 Process and control testing
5.3 Reporting
5.3.1 Type testing
5.3.2 Batch testing
5.4 Tests
5.4.1 Sensitivity test
5.4.2 Penetrants
5.4.3 Excess penetrant removers (excluding method A)
5.4.4 Developers
5.4.5 Batch tests for spray cans
6 Test methods and requirements
6.1 Appearance
6.2 Penetrant system sensitivity
6.2.1 Fluorescent penetrants (type I)
6.2.2 Colour contrast penetrants (type II)
6.3 Density
6.3.1 Test method
6.3.2 Requirements
6.4 Viscosity
6.4.1 Test method
6.4.2 Requirements
6.5 Flashpoint
6.5.1 Test method
6.5.2 Requirements
6.6 Washability (method A penetrants)
6.7 Fluorescent brightness
6.7.1 Test method
6.7.2 Requirements
6.8 UV stability
6.8.1 Test method
6.8.2 Requirements
6.9 Thermal stability of fluorescent brightness
6.9.1 Test method
6.9.2 Requirements
6.10 Water tolerance
6.10.1 Test method
6.10.2 Requirements
6.11 Corrosive properties
6.11.1 General
6.11.2 Type testing
6.11.3 Batch testing
6.12 Content of sulfur and halogens (for products designated low in sulfur and halogens)
6.12.1 Test method
6.12.2 Requirements
6.13 Residue on evaporation/solid content
6.13.1 Solvent removers
6.13.2 Form d and e developers
6.14 Penetrant tolerance
6.14.1 Lipophilic emulsifier (method B)
6.14.2 Hydrophilic emulsifier (method D)
6.15 Developer performance
6.16 Re-dispersability
6.16.1 Water-suspendable developers
6.16.2 Solvent based developers (non-aqueous)
6.17 Density of carrier liquid
6.17.1 Test method
6.17.2 Requirements
6.18 Product performance (pressurized containers)
6.19 Particle size distribution
6.20 Water content
6.20.1 Test method
6.20.2 Requirements
7 Packaging and labelling
Annex A (normative) Comparison of fluorescent brightness
Annex B (normative) Equipment for determination of the visibility of fluorescent indications
Annex C (informative) List of reference materials
Bibliography