Extracted from mines in Phu Tho and Lao Cai provinces, feldspar are mined and processed manually, classified, then grinded to suitable size as required. Feldspar is an important ingredient in the production process of glass, granite tiles, insulating porcelain, etc. Through deep processing technology of high-grade quality, feldspar is used as raw material for production of ceramic’s clay bodies and glazes making – an indispensable part of Vietnamese art culture that is highly appreciated worldwide.

    Specifications for reference*:

    SiO2: 69.22% | TiO2 < 0.34%

    Al2O3: 15.56% | K2O < 1.36%

    Fe2O3 <0.52% | Na2O ≥ 7.27%

    * The specifications is used in the production of granite and ceramic tiles

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