ISPE Glossary of Pharmaceutical and Biotechnology Terminology

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Liquid Penetrant Examination (PT)

A method of nondestructive examination that provides for the detection of imperfections open to the surface in ferrous and nonferrous materials that are nonporous. Typical imperfections detectable by this method are cracks, seams, laps, cold shuts, and laminations. Refer to ASME BPVC, Section V (Nondestructive Examination), Article 6, paragraph T-600, for testing an anomaly or an indication.

See also: Magnetic Particle Examination (MT) Radiographic Examination (RT) Ultrasonic Examination (UT)

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