I would request to be known what is non-destructive test material, it is also called DP test. Is Dye penetrant testing the non destructive test material and why is it called non destructive test material? Are there any alternatives to the dye penetrant testing? What is the advantages of dye penetrant testing over other testing for detecting cracks in metal parts in in every major and minor industry? Is the production of dye penetrant material a profitable business. Kindly also let me know how many kinds of these dye testing material are there? Kindly guide me as I want to puchase a plant producing this dye penetrant testing material. Thanks.
Answer:
I use Dykem fluid concentrated 4:1 when i do my testing. The alternatives are Ultrasonic testing, and Magnetic particle inspection. Ultrasonic testing yields superior information, but dye pen is easier.
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