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Home / R&R Academy / Defect Analysis / Positive Metal Defects / Over Etching
Over Etching
![over-etching.jpg](https://static.wixstatic.com/media/cc5f22_218e5f6e2e9a492bb586264741b04267~mv2.jpg/v1/fill/w_296,h_296,al_c,q_80,usm_0.66_1.00_0.01,enc_auto/over-etching.jpg)
Over etching presents as a relatively smooth surface (like a fine sandpaper) that appears on the surface of the casting.
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The causes of this defect are evident in the other portion of the process. To cure these causes, R&R recommends taking the following actions.
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