
Achieving consistent results with airbrushed porcelain glazes requires precision, practice, and the right techniques. Here are the best methods to ensure flawless finishes every time:
1. Surface Preparation – Ensure the bisque-fired porcelain is clean, smooth, and free of dust. A well-prepared surface prevents uneven glaze absorption.
2. Glaze Consistency – Mix glazes thoroughly and strain them to remove lumps. The ideal viscosity should be similar to heavy cream for smooth application.
3. Airbrush Control – Maintain consistent air pressure (typically 15-30 PSI) and distance (6-12 inches) from the surface. Practice even, overlapping strokes for uniform coverage.
4. Layering Techniques – Apply multiple thin layers rather than one thick coat to prevent drips and achieve depth without cracking. Allow each layer to dry slightly before adding the next.
5. Firing Precision – Follow the recommended firing schedule for your glaze type. Slow heating and cooling cycles reduce defects like pinholes or crawling.
6. Test Tiles – Always test glazes on small tiles before applying them to finished pieces to verify color and texture under firing conditions.
By mastering these techniques, artists can produce professional-quality, consistent airbrushed porcelain glazes with vibrant, durable finishes.