Page 21 - Liquid Penetration Inspection

Diploma in Mechanical Engineering (Material)

LIQUID PENETRATION INSPECTION

www.pis.edu.my

Penetrants

2. Visible (Type II)

Type II visible penetrant employs a penetrant that

is usually red in color and produces vivid red

indications in contrast to the light background of

the applied developer under visible light. The

visible penetrant indications must be viewed under

adequate white light.

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