土橋鉱山 List of Products and Services

Tobashi Mining Co., Ltd. conducts "underground mining" by extending tunnels deep underground to extract the desired ore, providing high-quality and stable natural raw materials. Our "silica" has characteristics suitable for pesticide carriers, such as being easy to grind and having a white color. Currently, we are the only company that can produce a relatively substantial amount of silica in the Miishi area. [Features] - Main use is as a pesticide carrier - The advantage of using silica as a core material is that it can be applied without affecting farmland, aside from the efficacy of the pesticide - Easy to grind, white in color, and suitable for pesticide carriers - We are currently the only company that can produce a relatively substantial amount of silica in the Miishi area *For more details, please refer to the PDF document or feel free to contact us.

• Organic Natural Materials

Tobashi Mining Co., Ltd. conducts "underground mining," extending tunnels deep underground to extract the desired ore, providing high-quality and stable natural raw materials. "Wax stone (pyrophyllite)" is utilized in the production of firebricks, taking advantage of its high refractoriness, and remains a key industry in Bizen City. It is shipped as materials for blast furnaces and various furnace materials in steelworks and refineries, as well as for incinerators and heat-resistant components. As one of the few domestic suppliers of wax stone for refractory applications, our company continues to supply it. [Features] - The production of firebricks utilizing the high refractoriness of wax stone remains a key industry in Bizen City. - Shipped as materials for blast furnaces and various furnace materials in steelworks and refineries, as well as for incinerators and heat-resistant components. - The majority of wax stone currently used in Bizen City is raw material imported from overseas. - The use of domestic wax stone has significantly decreased. - Many of our wax stones are shipped as raw materials for wax stone clay. *For more details, please refer to the PDF document or feel free to contact us.

• Organic Natural Materials

Tobashi Mining Co., Ltd. conducts "underground mining" by extending tunnels deep underground to extract the desired ore, providing high-quality and stable natural raw materials. "Pottery stone (sericite type)" is shipped as a raw material for tableware and ceramics. It is the most produced item from our mine and represents our company. When shipped from our mine, it is crushed to a size of -10mm and classified as -10mm under size. It is shipped in bulk in large dump trucks or packed in big bags. [Features] - Positioned as one of the important raw materials that determine product quality. - Our pottery stone also becomes a ceramic raw material through water washing. - When preparing water-washed ceramic raw materials, we request production from nearby grinding companies. - Tobashi pottery stone contains low iron and includes titanium. - By maintaining a rich ore volume and high quality, we will continue to contribute as a supporting presence in the ceramics industry. *For more details, please refer to the PDF document or feel free to contact us.

• Organic Natural Materials

The ores mined at the Tohbashiyama Mine are three types: ceramic stone (sericite), wax stone (pyrophyllite), and silica (silica sand). This document includes examples of product analysis values and their main applications. In addition to the listed products, we also ship various grades and particle sizes tailored to meet user needs. [Contents] ■ Ceramic Stone / Wax Stone / Silica - Grade - Example analysis values (%) - Particle size at shipment - Features and main applications *For more details, please refer to the PDF document or feel free to contact us.

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Tobashi Mining Co., Ltd. conducts "underground mining," extending tunnels deep underground to extract the desired ore. While striving for safety underground, we ensure thorough quality control at each stage, enabling us to provide users with high-quality and stable natural raw materials. Among our wax stones, the sericite-based ceramic stone has the highest shipment volume and is used as a key raw material for sanitary ceramics such as toilets and sinks, as well as for pottery and tableware. 【Products】 ■ Mining and sales of ceramic stones, wax stones, silica stones, fire clay, and sericite. *For more details, please download the PDF or feel free to contact us.

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