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《Glass & Enamel》 1990-05
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The Melting of Selenium Ruby Glass

Zhang Xiaoyi Wang Yaoqing (Shanghai Coloured Optical Glass Factory)  
The melting test for eliminating bubbles and cords in CdS-CdSe cnt-off glasses is described in this paper. The results show that sufficient melting in glass pot is important, so as to-release gas as much as possible, and appropriately higher refining temperature and longer refining time are effective measures for releasing bubbles from the glasses in which only carbonate is introduced.It is also effective in eliminating cords in short glass by slowing down cooling rate when temperature drops and by ensuring sufficient eoolnig time.
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