are most often used to detect cracks and voids open to the surface of nonporous metallic materials. The sensitivity rating of penetrants allow them to be used on casting and machined surfaces by using lower sensitivity level 12 on castings and level...
are most often used to detect cracks and voids open to the surface of nonporous metallic materials. The sensitivity rating of penetrants allow them to be used on casting and machined surfaces by using lower sensitivity level 12 on castings and level...
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