Dy-Mark Flawcheck - Crack Detection System

Dy-Mark Flawcheck - Crack Detection System

• Dy-Mark Flawcheck is a four-part visible inspection process that conforms to ASME ASTM E165 and AS 2062 Type 2 Method C.
• Flawcheck is ideal for detecting cracks and flaws in metal castings that are not visible to naked eye.
• The flawcheck system is a method of non-destructive testing which will detect flaws on metal surfaces.

Consumer Safety Warning

• Step 1, (Preclean), contains Methylene Chloride which is suspected of causing cance.
• Use personal protective equipement as required.
• Use in a well-ventilated area.
• Do not eat, drink or smoke when using this product.

About Flawcheck 4-Step System

Step 1 - Preclean (Grey)

• It is essential to ensure that the part/area to be tested a clean, dry and free from all surfaces contamination (e.g. grease, oil, rust and paint).
• Surface contaminants can cover a flaw, inhibiting the entrance of the dye.
• Spray the area to be inspected and wipe throughly with cloth.
• Allow clean surface to dry.

Step 2 - Penetrant (Red)

• Spray penetranr dye over the area that is to be inspected.
• Allow penetrant to dwell for 10 minutes.
• Dwell time should be extended in extremly cold conditions.

Step 3 - Remover (Blue)

• Allow excess Penetrant to drain.
• Wipe over inspected surface with a dry cloth.
• Then spray remover on another cloth and wipe surface to remove excess penetrant.
• Allow surface to dry before Developer.

Step 4 - Developer (White)

• Spray a light coat of the Developer over the area to be inspected, avoiding a heavy film.
• Leave Developer to dry and inspect parts of flaws after 2 -3 minutes.
• If very fine flaws are suspected, the parts should re-inspected after 20 minutes.