| 简介 |
An ultraviolet ray and infrared ray-absorbing glass composition includes the following basic glass components (weight ratio) : 60% to 75% of SiO2, 8% to 20 % of Na2O, 3% to 12% of CaO, 0.1% to 5% of Al2O3, 2% to 5% of MgO, 0.02% to 7% of K2O, 0.1% to 5% of BaO, 0.01% to 0.4% of SO3 and the following ultraviolet ray and infrared ray-absorbing glass main body coloring and coordinating part : 0.22% to 1.35% of Fe2O3, 0.001% to 0.8% of ZrO2+HfO2, 0% to 0.5% of Cl, 0% to 2% of B2O3, 0.01% to 0.8% of TiO2, 0.001% to 0.06% of CuO, 0% to 2.0% of Br, 0% to 0.02% of MnO, 0% to 2.0% of F, 0.001% to 0.5% of SrO, and 0.005% to 2.2% of CeO2. The reduction oxidation ratio of Fe2O3 in the glass composition is 0.4 to 0.8. A certain amount of rare metals and rare earth metal compounds are added to the glass composition, which breaks through various limitations of existing insulating glass, reasonably controls the Chemical Oxygen Demand (COD) in raw materials, controls reduction oxidation ratios, effectively blocking ultraviolet rays, infrared ray and sunlight total energy while improving the transmittance of visible light to obtain insulating glass capable of intensively absorbing ultraviolet rays and near infrared rays. |
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