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专利、报告等 Glass container and preparation method thereof
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Glass container and preparation method thereof Abstract The present invention relates to a sodium-calcium glass container and the production method thereof. The composition of sodium-calcium glass includes: 64% - 75% SiO2 10% - 18% Na2O 5% 15% CaO - a UV absorber comprising 0.01% 0.5% V2O5; - a decolouring system comprising the following optical absorbers: a. at least one of: 0.01% 0.3% of Er2O3 and 0.0001% 0.0005% of Se in the metallic state; and b. 0.00005 % 0.0005 of Co3O4, the aforesaid percentages being percentages by weight referred to the weight of the glass. In one embodiment, the glass composition also comprises Bi2O3 to inhibit the solarisation reaction of the glass following the prolonged exposure to UV rays. |
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(2025-6-4)
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