Seramiksir Black Primer 175 AST 278
Seramiksir Black Primer 175 AST 278

Seramiksir Black Engobe AST 278 - 175 g

Black AST 278 is an engobe that covers the natural color of white and red clay bodies, giving the surface an intense black, matte, opaque, and modern appearance. It can be applied to leather-hard or completely dry, unfired clay. It creates a smoother surface suitable for decoration and provides a distinctive matte finish on its own. Transparent or colored glaze can be applied after bisque firing to produce glossier results with greater visual depth.

Food Safety: Before using this product on food-contact pieces, it is recommended to test the glaze under your own application and firing conditions.

Technical Data and Application

Thermal Properties

  • Firing Temperature: 1000°C - 1200°C
  • Temperature Range: Low-Fire and Mid-Fire

Product Information

  • Form: Ready-to-use engobe
  • Finish: Opaque, fully matte, and intense black surface
  • Visual Sample: Uniform, deep black base over an unfired clay surface

Application Information

  • Method: Brush or dipping
  • Consistency Adjustment: Adjust carefully according to the application method
  • Preparation: Apply to leather-hard or dry, unfired clay and allow it to dry completely before firing

Color Pairing Suggestions

The bold, modern appearance of Black AST 278 can be paired with the following colors:

Matte Black and Anthracite Tones
White Contrasts
Gray and Smoke Transitions
Cream and Ivory
Terracotta Contrasts

Application Notes

  • Brush Application: Apply in even, consecutive coats for localized decorations, patterns, or full-surface coverage.
  • Number of Coats: As the application thickness increases, the coverage and opacity of the black color may become stronger. Avoid excessively thick applications.
  • Clay Body Selection: Suitable for use with white and red clay bodies. The color of the clay body may affect the final black tone.
  • Dipping and Pouring: Dipping produces a more uniform, smooth surface without brush marks.
  • Mixing: Mix the product thoroughly before and during application to ensure an even distribution of the engobe components.
  • Storage: Store at room temperature in tightly sealed packaging, away from direct sunlight.
Important Recommendation: The appearance of the engobe may vary depending on application thickness, clay body, and firing schedule. Testing on a test tile before the main application is recommended, particularly for vertical forms, to evaluate application behavior and the final surface result.
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