Limestone, which is attracting attention as an aggregate to suppress the drying shrinkage of concrete, is also used in the iron and steel manufacturing process for pig iron production and in the neutralization treatment of factory wastewater.
Omi Mining Co., Ltd. is a comprehensive lime manufacturer that handles not only quicklime but also slaked lime and talc. Our company has opened the Yataka mining site on Mount Ibuki, where we extract limestone. The limestone from Mount Ibuki mainly consists of amorphous calcite (with a crystal grain size of less than 100 μm), and depending on the mining location, the purity of CaCO₃ is over 95%. In addition to being used as civil engineering and construction materials, it can also be utilized in the steel manufacturing process for pig iron production and in the neutralization treatment of factory wastewater. 【Features】 ■ CaCO₃ purity of over 95% ■ Excellent water absorption rate and stability ■ Suppresses drying shrinkage of concrete *For more details, please refer to the PDF materials or feel free to contact us.
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basic information
【Lineup】 ■ Crushed stone for concrete and industrial limestone ■ Crushed sand for concrete (wet type) ■ Subbase material ■ Crushed stone for roads (single-sized crushed stone) ■ Split granite ■ Cushion sand ■ Other soil and stone *For more details, please refer to the PDF document or feel free to contact us.
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【Applications】 ■ Material for ironmaking ■ Neutralizing agent for drainage ■ Civil engineering and construction materials *For more details, please refer to the PDF document or feel free to contact us.
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Company information
Omi Mining Co., Ltd. is a comprehensive limestone manufacturer that consistently conducts all processes from mining at its own mines to crushing, grinding, classification, calcination, digestion, and shipping in-house. With various limestone products and sepiolite as its pillars, the company develops, manufactures, and sells environmentally friendly products. Leveraging over 70 years of experience since its founding, it will continue to contribute to Japan's environment and industry with high technical capabilities and reliable quality control.
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