Silica-based sand mixed with clay, oil, etc., to improve its cohesive strength, used in moulding.
- Bentonite
- Calcined bauxite
- Chrome ore & sand
- Flouspar
- Manganese ore
- Dead burnt magnesite ( DBM )
- Olivine sand
- Perlite ore ( unexpended )
- Rutile
- Zircon sand & Flour