AGC Ceramics Co., Ltd.

4-1-23, Shiba, Minato-ku, Mita NN Bldg., 6th Floor, 108-0014 Tokyo
Telephone +81 3 5442-9177
Fax +81 3 5442-9192


Hall map

glasstec 2016 hall map (Hall 13): stand D24

Fairground map

glasstec 2016 fairground map: Hall 13


Noriyuki Takahashi

Lager/Material, Logistik, Transport

Tokyo 4-1-23, Shiba, Minato-ku, Tokyo, Japan




Our range of products

Product categories

  • 01  Glass production/Production Technology
  • 01.02  Auxiliary and operating materials
  • 01.02.01  Refractories

Our products

Product category: Refractories

Refractory Applications Ideas

The following refractory applications ideas is one of the example. We do propose you a suitable material selection based on your respective furnace conditions, glass type, glass color, melting method and so on. Please contact us anytime.

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Product category: Refractories

Glass Engineering Business

We, AGC Ceramics Co., Ltd. has celebrated the 100th anniversary on April 16, 2016 since the establishment of ceramics business.
"TSUNAGU" in Japanese means "relay".
We are intending to hand over the 100 years legacies on to the next generation.

Over 100 years, AGC Ceramics has cultivated technologies including; production/development of ceramics products for glass melting furnaces, evaluation, quality guarantee and also a range of technologies in relation to glass melting furnaces. By integrating these technologies to offer a wide-range of solutions, we aim to minimize the life-cycle cost of glass melting furnaces, and to increase customer satisfaction.
Utilizing our knowledge accumulated over decades using "Global Technology Leadership", AGC Ceramics offers 5 solutions that match each life-stage of glass melting furnaces.

Global technology leadership

1)Knowledge of refractories.
2) Selection and supplying of the most suitable refractory.
3) Knowledge of glass melting technologies.
4) Knowledge and understanding of operation and maintenance of glass melting furnaces.
5) Defect-analyzing technology of glass melting furnaces and knowledge of detecting the emergence of defects.
6) Melting simulation analysis technology within the glass melting furnaces.

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Product category: Refractories

Fused cast refractories

Fused cast refractories are manufactured by electro-fusing and casting process. Carefully selected high-purity raw materials are melted in Heroult type electric arc furnace at 1900 – 2500 ℃ and cooled to solidify after pouring into molds. Fused cast refractories have very high density and strength owing to electro-fusing process compared with ordinary types of refractories such as bonded refractories and stable mineralogical composition contribute to high resistance against corrosion and erosion by molten glass.

ZB-X950 Series ZB-X9510 ZB-X9540
AGC Ceramics has developed unique, first-class zirconia fused cast refractories by utilizing its years of accumulated fused cast refractories technology. ZB-X950 Series achieved highest level of quality without stone and blister defects in the molten glass. Therefore, it is suitable for the parts that come into contact with glass in fine glass melting furnaces. It has a proven performance in melting furnaces of boro-silicate glass, alumino silicate glass, glass ceramics and display glass.

ZB-X950 Series consists of ZB-X9510 for general use and ZB-X9540 with high electrical resistivity. The latter is suitable for electrode blocks that particularly need high electrical resistivity.

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Product category: Refractories

Zirconite (ZB) Series

Zirconite series is high quality Al2O3-ZrO2-SiO2(AZS) fused cast refractories, consisting of crystallized baddeleyite (ZrO2) and corumdum (Al2O3), and matrix glass. The raw materials are carefully selected and fused in Heroult type electric arc furnaces.

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Product category: Refractories

Marsnite (MB) Series

Marsnite (MB) series are alumina fused cast refractories whereby highly pure alumina raw material is melted at over 2000°C and poured into a mold.

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About us

Company details

AGC Ceramics aims to gain customer satisfaction by integrating its 100-years of accumulated technologies related to the manufacturing/development/ evaluation/quality maintenance of ceramics materials for glass melting furnaces and technologies related to glass melting furnaces. This allows us to provide abundant solutions to minimize life-cycle costs of glass melting furnaces.

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Company data

Sales volume

> 100 Mio US $

Export content

max. 25%

Number of employees

> 500



Area of business
  • Glas processing and finishing
  • Measurement, testing, control technology and software
  • Contracting, Consulting, Engineering, Services
Target groups

Manufacturing, Processing and Finishing