Over Etching

Technical Support

Struggling with a specific casting defect or just need general technical support?

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  • Relatively smooth surface (like a fine sandpaper) that appears on the surface of the casting

Causes of this defect are evident in the other portion of the process; to cure, R&R recommends taking the following actions:


The pattern washing agent is too aggressive, the immersion time is too long, or poor rinsing.

Check on pattern washing practices.