Buckling

Technical Support

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

  • Pyramid-like bump or lump (usually with a sharp peak) that appears on the surface of the casting

  • Indicates that the shell shrinks and loses adhesion to the wax pattern and buckles outward during the drying process

  • Especially prevalent on primary coats and flat surfaces; indicating that the primary coat moved away from the wax pattern

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