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Home / R&R Academy / Defect Analysis / Negative Metal Defects / Blowholes or Gas
Blowholes or Gas
Blowholes or gas present as a small or large number of spherical cavities, superficial or in depth. This defect indicates that either air was entrapped at casting or that gas separated from the metal at solidification.
Technical Support
Struggling with a specific casting defect or just need general technical support?
Email our technical team at: Technical@ransom-randolph.com.
The causes of this defect are evident in the metal and other portions of the process. To cure these causes, R&R recommends taking the following actions.
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