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Toughened glass is the indispensable material of industry of building materials nowadays, toughened glass serves as a kind of safety glass, in recent years came to swift and violent development.at present, china's annual output of tempered glass is about 500 million m2, and the annualenergy consumption is about 2.6 billion kwh. Such a huge output andenergy consumption seriously consumes china's resources, but also seriously endangers the environment we live in.