Surface Blemishes and Paint Peeling
Problem Description:Poor adhesion or uneven thickness of the in-mold coating may cause pitting, flow lines or missing parts on the casting surface.
Solution:
- Use special shell mold paint and spray and dry under uniform temperature and drying conditions.
- Stir the paint evenly and filter to avoid coating impurities or bubbles.
- The mold shell coating can be selected from different refractory grade formulas according to the casting material and pouring temperature.

