A formula of environment-friendly tft-lcd substrate glass
An environmentally friendly, substrate technology, applied in the field of alkaline earth boron aluminum glass component design, can solve the problems of low effectiveness, toxicity, low temperature of clarified gas, etc.
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[0020] A formula for environment-friendly TFT-LCD substrate glass, the key is: the composition of each component in the glass substrate includes: 55-63% SiO 2 , 7~13% B 2 o 3 , 12-21% Al 2 o 3 , 3-8% CaO, 0-8% SrO, 0-10% BaO, 0.7-4.0% ZnO, 0.1-1.0% SnO.
[0021] Among the above components, SiO 2 with B 2 o 3 The mass and accounted for 62 to 76% of the total mass.
[0022] Among the above components, B 2 o 3 with A1 2 o 3 The mass and accounted for 19 to 34% of the total mass.
[0023] Among the above components, the mass sum of RO and ZnO accounts for 3.7-30% of the total mass, and the above RO represents any one of Ca, Sr, Ba, or any two or more oxides. mix.
[0024] The SiO 2 Preferably 57-61%.
[0025] The ZnO is preferably 0.8-3%.
[0026] Described BaO is preferably 2-6%.
[0027] When the present invention is implemented, the raw materials including the corresponding oxide mass percentage components of the above-mentioned glass substrates are uniformly s...
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