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Is a widely applied and low cost inspection methods used to locate surface-breaking defects in all non-porous materials. eg. metals, plastic or ceramics.
Simple one of the quality testing method for fiding surface defects.
Dye Penetrand Testing is a test carried out when you suspect the existence of non visible cracks in a Non Pourous material.
The test is carried out as following:
1)-Peoperly clean up the suspected part.
2)-A special dye of highly visible color is added to the part and let on for 10-20 minutes. Giving it time to seep in any non visible cracks.
3)-The dye is removed thoroughly from the surface.
4)-A developer is added to the surface of the part, drawing out the dye from any small cracks to form very visble indicators of the existence of cracks in the material.
