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Heavy Mineral Concentrates
Industry Uses
Zircon’s Use in Established Industries
(Traditional and Intermediate Uses)
Chemical
Zircon is employed in a wide range of intermediate manufacturing process and end use applications.
Refractories
Zircon is utilised in a wide range of refractory applications including refractory mortar, firebricks, refractory linings as well as fibres, nozzles and grouts.
Glass
Zircon plays an important role in the glass sector, used in the production of X-ray absorbers in cathode ray glass tubes for televisions.
Foundry Sands and Coating
Zircon is widely used in the foundry industry, mostly in the form of sand and flour (miled sand) for casting and refractory applications.
Ceramics
Zircon is predominantly employed as a raw material in the production of ceramic bodies, glazes, enamels, frits and pigments applied to traditional ceramics.
The Role of Zircon in High Tech Industries
(Emerging R&D)
Mineral Sand & Gravel
Silica Stone
Indonesian Law for Rutile and Ilmenite - Recent Changes
The Ministry of Trade of the Republic of Indonesia, under regulation No. 13, has changed Indonesian export law so that ilmenite and rutile can now be exported, treating them as non-metal commodities (similar to zircon).
Under this new regulation, the Provincial Government of Central Kalimantan will issue bi-product Licenses associated with main license for zircon, ilmenite, rutile and river sand.
Under the new regulation:
- Ilmenite can be exported as non-metal with a minimum grade of TiO2 ≥ 45%;
- Rutile can be exported as non-metal with a minimum grade of TiO2 ≥ 90%;
- Zircon ZrSiO4 (ZrO2+HfO2) ≥ 65.5% (premium grade for export); and
- River Sand (there is no SiO2 minimum content or mesh size minimum).