Six Main Steps of Dye Penetrant Testing
2. Application of penetrant liquid- Liquid can be applied by brushing, spraying, or dipping the test object.
3. Dwell time- The liquid is given time to penetrate into any surface defects present
4. Developer application- Ultraviolet light is applied for visibility.
5. Evaluation- Inspector compares indications with code acceptance criteria.
6. Post-clean- Remove dye from test object.