Potterycrafts High Alkaline Ferro Frit

This frit is intended for use as a lime and borate source in partially fritted glazes. This frit does not contain any alumina but its high calcium content makes it ideal for developing chrome-tin pinks and maroon colours and stains.

Technical Information:

• Linear Thermal Expansion: 9.6x10-6/°C.
• Firing Range: 980 - 1000°C
• SiO2: 46.5%
• B2O3: 23.1%
• Na2O: 10.3%
• CaO: 20.1%