Enamel is produced out of silica sand with a SiO2 content > 99.4 mass-%. After it has been washed and dried, it will be grinded iron-free and separated with an air separator.
Chemical characteristic values:
|SiO2||> 99,4 mass - %|
|Al2O3||0,15 mass - %|
|Fe2O3||0,03 mass - %|
|TiO2||0,03 mass - %|
- see product page: Silica flour