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《Glass & Enamel》 1990-04
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Study on High-Duty Silica Bricks

Chen Zuofu Shen Shuhui Tao Yaohong (The Glass & Enamel Research Institute, Ministry of Light Industry P. R. China)  
On condition that the melting index (Al2O3+TiO2+B2O) is0.5%, a kind of high-duty silica brick having refractoriness under Ioad≈1700℃ and true density≈2.33 can be produced successfully by a specific process of batch preparation with different silica sands. This is a superior refractory produced in the country for superstructure of glass tanks. The results of test under the same condition show that its major physical and chemical properties reach the same level of advanced high-duty silica bricks in the world. This domestic high-duty silica brick has been in use in more than ten glass factories and has been well received.
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