共立マテリアル List of Products and Services

We are an authorized distributor of DALIAN ZHENGXING ABRASIVE (ZX) based in Dalian, Liaoning Province, China. ZX is responsible for the entire manufacturing process from raw material selection to packaging and shipping, possessing high technical capabilities and quality control standards. ■ Our Strengths - Kyoritsu Material functions as a manufacturer as well as a distributor. We can conduct composition analysis (XRF, ICP), physical property measurements (particle size measurement, specific surface area measurement), and particle observation using EDS-SEM, in addition to analyzing raw material manufacturers. - Using analysis data, we can also propose grinding and classification solutions tailored to our customers' inquiries and needs. - We respond to customer needs by customizing to meet requirements for particle size and composition (purity). - We are actively engaged in development and have recently succeeded in developing D50:0.5μ products for fine ceramics. ■ Products We Handle - B4C 325F * For refractory materials - B4C #8000 * For fine ceramics - B4C F1200 * For polishing * For more details, please refer to the PDF document or feel free to contact us!

• Aggregates and crushed stone

We handle aluminum hydroxide sourced directly from PT Indonesia Chemical Alumina (ICA) in Indonesia, where we visit the local site. 〇 The raw material bauxite is of Indonesian origin. The red mud generated during the manufacturing process is returned to the mine, ensuring that there is no ocean dumping and that it is a sustainable raw material that considers the global environment. ■ Applications - Water treatment agents (such as sulfate bands) - Non-combustible materials - Glass - Frit materials, etc. ■ Products handled - Aluminum hydroxide calcined products, aggregates of about 50μm - Aluminum hydroxide ground products, powder of about 15μm - Aluminum hydroxide high whiteness products, etc. * For more details, please refer to the PDF document or feel free to contact us!

• Aggregates and crushed stone

Our company handles aluminum hydroxide procured directly from PT Indonesia Chemical Alumina (ICA) in Indonesia, where we have supplied over 3,000 tons annually. 〇 The raw material bauxite is of Indonesian origin. The red mud generated during the manufacturing process is returned to the mine, ensuring that there is no ocean dumping, which makes it a sustainable raw material that considers the global environment. ■ Applications - Clinker suppression in biomass combustion - Refractories (refractory bricks, fillers) - Toughened glass ■ Our Strengths - We are a distributor with manufacturing capabilities! In addition to manufacturer analysis values, we can perform composition analysis (XRF, ICP), physical property measurements (particle size measurement, specific surface area measurement), and particle observation using EDS-SEM. - We also accept proposals for grinding and classification tailored to your needs. ■ Products Handled - Calcined alumina, sintered product, aggregates of approximately 50 μm - Calcined alumina, ground product, powder of approximately 4 μm *For more details, please refer to the PDF document or feel free to contact us!

• Aggregates and crushed stone

We handle "domestically manufactured" and "high cordierite ratio" cordierite. ■ Our Strengths - Kyoritsu Material conducts chemical analysis, particle size measurement, and quality control as a raw material manufacturer. - We also provide thermal analysis using TMA and TG-DTA. - Manufactured domestically, we accept consultations for customization such as fine particle size and classification of coarse particles. ■ Products Offered - RC-1 - HG-1 We provide proposals tailored to your applications. ■ Applications - Refractory substrates - Honeycombs - Automotive - Semiconductor manufacturing equipment - Low thermal expansion fillers - Ceramics, fine ceramics - Raw materials for LTCC Cordierite/Cordierite/Cordierite/Made in Japan *For more details, please refer to the related links or feel free to contact us!

• Aggregates and crushed stone

Silicon nitride, which is attracting attention as a heat dissipation material for bearings and substrates. Among them, our company handles products manufactured using the rare "combustion synthesis method" in the industry. It excels in "wear resistance," "electro-corrosion resistance," and "thermal conductivity," and its high purity and reasonable price are appealing. ■ Applications - Can also be considered as a heat dissipation filler. ■ Types Available - Two types: α type and β type. ■ Product Names - CUP CX-R08S, among others. We also provide various analyses and technical support, so please feel free to contact us for more details! Related Silicon nitride / Silicon nitride powder / Ceramic balls / Fine ceramics / Fillers Protective tubes / Insulation tubes / Power devices / Silicon nitride / Si3N4 / Electric vehicles / EV, etc.

• stone

Our company handles various inorganic materials as ceramic raw materials. 1. Please feel free to consult us about the mixing and recipes of kaolinite minerals (clay, kaolin, china clay), which are our strengths, as well as usage methods and risk hedging through BCP. 2. We offer a wide range of raw materials, including "sericite," "silimanite," "silica stone," and "fluorite." We also provide contract processing for grinding, firing, and classification of ceramic raw materials. 3. We can remove coarse particles using a wet classification technique called "water washing," developed from our experience with ceramic raw materials. 4. We can accommodate a wide range of thermal treatment for powders at firing temperatures from 200°C to 1,450°C. We can also assist with the prototyping of sintered bodies of oxides such as alumina, cordierite, and zirconia. ■ Products handled: - Sericite, silimanite, silica stone, zirconium-based materials - Boron carbide (B4C), fluorite, cordierite, mullite - Steatite, forsterite, polishing abrasives, glass frit - Contract processing for grinding, firing, and classification (dry sieving, etc.) of ceramic raw materials We also handle other products not listed above. *For more details, please refer to the related links or feel free to contact us!

• others

At Kyoritsu Material, we handle US Borax products such as "Borax and Boric Acid." In addition to its proven versatility in various applications, its high melting performance is expected to contribute to cost and CO2 reduction through low-temperature firing of ceramics! ■ Main Uses of Borax and Boric Acid Glass raw materials (liquid crystal, glazes, frits, etc.), flame retardants (cellulose fibers, etc.), cardboard, flux for steelmaking, fertilizers, wood preservatives, cleaning agents, neutron shielding materials, insecticides, slime, optical glass, and more. ■ Products We Handle - Borax (Boric Acid) … 5-water borax, anhydrous borax, 10-water borax - Boric Acid - Anhydrous Boric Acid (Boron Oxide) - Timbor (Boron-based wood preservative) - Colemannite powder, Ulexite powder *For more details, please refer to the related links or feel free to contact us!

• others

Our company not only engages in purchasing and selling but also owns its own mine in Amakusa City, Kumamoto Prefecture. "Amakusa ceramic stone" is a rare domestic ceramic raw material that can be fired alone to achieve porcelain. Due to its unique stone texture and material feel, we have built a strong track record in the exterior market. ■ Our Strengths Leveraging our strengths as a raw material manufacturer, we deliver materials after conducting high-precision chemical analysis and particle size measurement in-house. ■ Applications - Tableware - Tiles - Sanitary ceramics - Insulator materials, etc. ■ Some Representative Analysis Values (partial) SiO2 (wt%) - Amakusa Grade 3: 77.6 - Amakusa Low Iron Low Firing: 77.3 - Amakusa Low Iron High Firing: 78.0 *For more details, please refer to the related links or feel free to contact us!

• stone

We offer a wide range of overseas products such as "potassium feldspar," "soda feldspar," and "nepheline." These materials can be used for various applications, including tableware, tiles, sanitary ceramics, glass raw materials, grinding stones, and bonding materials for refractory products. ■ Features When firing ceramic products, adding alkaline substances can be expected to lower the melting temperature. "Feldspar" is used as this alkaline source. ■ Our Strengths Leveraging our strengths as a raw material manufacturer, we can conduct chemical analysis and particle size measurement in-house. We deliver high-quality products. ■ Products Offered - Potassium Feldspar - Soda Feldspar - Nepheline - Taisyu Feldspar *For more details, please refer to the related links or feel free to contact us!

• stone

We handle "high-purity silica" manufactured at our partner overseas factories. ■ Our Strengths Kyoritsu Material is a distributor with manufacturing capabilities! Not only do we provide supplier analysis values, but we also leverage our strength as a raw material manufacturer to offer EC measurement, dielectric constant, chemical analysis, and particle size measurement. We respond appropriately to each request! ■ Products Handled: Origin - Australia, India, China - Silica stone - Silica sand - High-purity silica ■ Applications - Glass for LCD panels (TVs, smartphones, tablets) - Tempered glass - Semiconductor encapsulants - Electronic components - Quartz crucibles - Optical lenses *For more details, please refer to the PDF document or feel free to contact us!

• others

Since our establishment over 85 years ago, we have been handling domestic and international "kaolin/clay," including Australian kaolin. Utilizing the "worldwide network" we have cultivated since our founding, we provide raw materials that meet our customers' needs with abundant knowledge and experience. ■ Applications - Used as a "filler" in industries such as biomass, paint, film, and paper. By mixing fillers like kaolin/clay into plastics and resins, various effects can be expected, such as enhancing strength and heat resistance, as well as cost reduction! - Ceramic raw materials... tableware, tiles, sanitary ware - Insulator raw materials ■ Products handled - Kaolin - Calcined kaolin - Ball clay - Frog eye clay - Wood knot clay *For more details, please refer to the PDF document or feel free to contact us!

• Soil improvement material

We have achieved mass production of barium titanate characterized by fine particles and high crystallinity by improving our dispersion, synthesis, and analysis technologies. This has enabled further thinning and increased layering of MLCCs, contributing to miniaturization and high capacity. Our products have a proven track record in a wide range of applications, from automotive and industrial to consumer electronics. 【'BT-HP9DX' Product Line】 ■ Particle Size: 100/150/200/250/300/400 nm *For more details, please feel free to contact us.

• Soil improvement material