Superthin float glass
A float glass and glass technology, applied in the field of ultra-thin float glass, can solve the problems of difficulty in drawing, change in glass properties, and inability to meet the high quality of ultra-thin glass products, reducing micro-bubbles and thin glass yields Improved, stable glass quality
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Embodiment 1
[0040] The composition and weight percentage of the glass are: SiO 2 71.5%, Fe 2 o 3 0.05%, Al 2 o 3 1.60%, CaO7.75%, MgO4.50%, K 2 O 1.2%, Na 2 O 13.40% ultra-thin glass component calculation, according to which the ultra-thin glass produced should have the following properties: the glass clarification temperature logη10 2 1459.5°C; operating temperature logη10 3.5 1115.0℃; softening point logη10 7.6 729.9℃; Tg transition temperature logη10 13 It is 546.7°C.
Embodiment 2
[0042] The composition and weight percentage of the glass are: SiO 2 71.5%, Fe 2 o 3 0.09%, Al 2 o 3 2.0%, CaO8.2%, MgO5.0%, K 2 O 0.81%, Na 2 O 12.4% ultra-thin glass component calculation, according to which the ultra-thin glass produced should have the following properties: the glass clarification temperature logη10 2 1457.5°C; operating temperature logη10 3.5 1119.0℃; softening point logη10 7.6 729.4°C; Tg transition temperature logη10 13 It is 546.7°C.
Embodiment 3
[0044] The composition and weight percentage of the glass are: SiO 2 72.5%, Fe 2 o 3 0.07%, Al 2 o 3 2.5%, CaO6.5%, MgO4.3%, K 2 O 1.5%, Na 2 O 12.63% ultra-thin glass component calculation, according to which the ultra-thin glass produced should have the following properties: the glass clarification temperature logη10 2 1450.2°C; operating temperature logη10 3.5 1107.0℃; softening point logη10 7.6 726.6℃; Tg transition temperature logη10 13 It is 546.4°C.
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