The allure of blue in ceramics and glass has captivated artisans and consumers for centuries. Among the pigments that achieve this coveted hue, Cobalt Blue Pigment (CAS 1345-16-0) holds a special place due to its exceptional durability, color intensity, and remarkable stability, particularly at high temperatures. At NINGBO INNO PHARMCHEM CO.,LTD, we appreciate the heritage and ongoing relevance of this pigment in creating both functional and artistic ceramic and glass products.

Historically, cobalt compounds have been used to impart a rich blue color to porcelain and glass, a tradition that continues today with modern Cobalt Blue Pigments, often known as Pigment Blue 28. Its defining characteristic for ceramic and glass applications is its ability to withstand the high firing temperatures inherent in these processes. Unlike many other pigments, Cobalt Blue maintains its brilliant hue without significant degradation or alteration, ensuring that the intended color is achieved consistently.

In ceramics, Cobalt Blue Pigment is used both in glazes and for under-glaze decoration. Its excellent weather resistance and resistance to acids and alkalis are particularly beneficial for architectural ceramics and decorative tiles that may be exposed to various environmental factors. The pigment’s non-toxic nature is also a crucial consideration for tableware and kitchenware, providing peace of mind for consumers. Its good covering power and ease of dispersion facilitate smooth application and uniform color distribution on ceramic surfaces.

For glass coloring, Cobalt Blue Pigment offers a beautiful and stable blue tint. Whether it’s for decorative glassware, stained glass windows, or specialized technical glass, the pigment’s resistance to heat and chemical attack ensures the longevity of the color. The historical pigment known as 'smalt,' a powdered blue glass, showcases the early use of cobalt for tinting glass, a practice that has evolved with modern pigment technology.

Beyond its aesthetic contributions, Cobalt Blue Pigment's unique properties, such as its infrared reflection capabilities, can also be leveraged in specific glass applications, perhaps for energy-efficient windows or specialized coatings. The pigment's reliability in surviving the intense heat of firing cycles without fading or changing shade makes it an indispensable component for artisans and manufacturers who demand predictable and lasting color results.

In essence, Cobalt Blue Pigment’s enduring appeal in ceramics and glass stems from its perfect blend of historical significance and modern performance. Its vibrant color, coupled with exceptional heat stability, weather resistance, and non-toxic characteristics, makes it a superior choice for creating timeless and beautiful ceramic and glass items that stand the test of time.