Spalling on Edges
Spalling on edges presents as rough filling in the corners. This defect indicates that there was a poor bond between the first coats and the backup shell in these corners; causing primary coats to pop off (areas of primary coats popping off of edges).
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 shell portion of the process. To cure these causes, R&R recommends taking the following actions.