Ceramic and graphite materials are used in various equipment of the glass industry, when melting or forming glass.

The glass industry is usually divided into:

• optical and special glassware;
• packaging production (bottles, cans, etc.);
• manufacture of sheet glass.

The following requirements are imposed on ceramic and graphite products for the glass industry:

• corrosion resistance;
• mechanical strength;
• wear resistance;
• no introduction of impurities into the material being processed;
• resistance to heat shock (heat resistance);
• fire resistance;
• stability of shape and preservation of strength to the maximum operating temperature;
• non-wetting of glass melts;
• low coefficient of thermal expansion.

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