This Part of GB/T 15822 specifies the significant properties of magnetic particle testing products (including magnetic ink, powder, carrier liquid, contrast aid paints) and the methods for checking their properties.
Foreword II 1 Scope 1 2 Normative References 1 3 Terms and Definitions 2 4 Safety Precautions 2 5 Classification 2 5.1 General 2 5.2 Magnetic inks 2 5.3 Powders 2 6 Testing and Test Certificate 3 6.1 Type testing and batch testing 3 6.2 In service testing 3 7 Requirements and Test Methods 3 7.1 Performance 3 7.2 Colour 3 7.3 Particle size 3 7.4 Temperature resistance 4 7.5 Fluorescent coefficient and fluorescent stability 4 7.6 Fluorescence of carrier liquid 5 7.7 Flash point 5 7.8 Corrosion induced by detection media 5 7.9 Viscosity of the carrier liquid 6 7.10 Mechanical stability 6 7.11 Foaming 6 7.12 pH 6 7.13 Storage stability 6 7.14 Solids content 7 7.15 Sulphur and halogen content 7 8 Testing Requirements 7 9 Test Report 8 10 Packaging and Labelling 8 Appendix A (Normative) Procedure for Type, Batch and in Service Testing 2 Appendix B (Normative) Reference Blocks 3 Appendix C (Normative) Corrosion Testing of Steel 7 Bibliography 10
