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Refractory Materials For Optical Glass Furnaces

Optical glass has many special properties such as high degree of transparency, specific optical constants, no bubbles, no stripes and no stones. The refractory selection is important for improving the service life of optical glass furnaces, ensuring the glass quality, reducing energy consumption and improving the melting rate. Optical glass has high requirement for refractory materials such as low impurity content, good corrosion resistance to molten glass, deformation temperature under load at high temperature and good thermal stability. Refractory materials for optical glass furnaces include fused cast refractories, sintered refractories, monolithic refractories and insulation materials, such as fused cast AZS, corundum brick, corundum mullite brick, mullite insulation brick, hig... Read more

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