Structural
Wax separates from glass on cool
Similar to wet spots but more pronounced. The wax pulled cleanly off the wall during cure. Often a vessel-prep problem.
Written by Maya Holloway
Likely causes
- Vessel cold at pour.
- Residue or dust inside vessel.
- Pour temperature mismatched to wax.
How to diagnose
- Inspect vessel before pouring.
- Confirm vessel was warmed and clean.
What to change next batch
- 01
Pre-warm vessels and clean with isopropyl alcohol.
- 02
Pour at lower end of wax range to slow the cool.
Related symptoms
- Wet spots between wax and glass
Poor adhesion, the wax pulled away from the wall.