PROFILING THE BENEFITS OF NEPHELINE IN IMPROVING MATT GLAZES
Nepheline syenite plays an important role in matt glaze production. Using high-quality materials such as Nepheline can help to significantly improve the functional and aesthetic properties of [...]
INCREASING THE AVAILABILITY OF BALL CLAYS
In 2020, Sibelco completed the acquisition of two producers of high quality clay in the Donbass region of Ukraine. The acquisition will enable Sibelco to provide [...]
THE EFFECT OF SHRINKAGE ON CERAMIC MANUFACTURE
Shrinkage of a ceramic article can occur during drying and firing – careful monitoring and management is critical, since not only can shrinkage affect the size [...]
THE IMPACT OF CARBON IN CERAMICS MANUFACTURE
In mineralogical studies of plastic or ‘ball clays’, carbon is typically listed as a ‘minor constituent’. But this undervalues the impact of carbonaceous matter – particularly [...]
WHY IS IT SO IMPORTANT TO MEASURE THERMAL EXPANSION?
Any ceramics manufacturer who has experienced crazing of their glazes will be familiar with the issue of thermal expansion. Crazing is caused by the different contractions [...]
UNDERSTANDING THE IMPACT OF SOLUBLE SALTS
Understanding the impact of soluble salts Naturally occurring soluble salts are found in several ceramics raw materials, including plastic clays, kaolin and feldspars. But it’s the [...]
