METHOD FOR REGENERATION TREATMENT OF WEATHERED GLASS CONTAINER
PROBLEM TO BE SOLVED: To easily perform a regeneration treatment at a low cost without spoiling the appearance of a container, and without draining water, and in addition, facilitate a coating treatment in the next process. SOLUTION: In the regeneration treatment, a fluorine compound is placed in a...
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Sprache: | eng |
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Zusammenfassung: | PROBLEM TO BE SOLVED: To easily perform a regeneration treatment at a low cost without spoiling the appearance of a container, and without draining water, and in addition, facilitate a coating treatment in the next process. SOLUTION: In the regeneration treatment, a fluorine compound is placed in a glass container, and the fluorine compound is made to react with the internal surface of the glass container at 500 deg.C-750 deg.C. The fluorine compound may be filled in the glass container before heating of the glass container, or may be filled during the heating or after the heating. Thereby a flake suppressing effect and a cloudness dissolving effect equivalent to a conventional method can be obtained at a low cost, and there is no problem in the appearance of the container and in the draining of water, and in addition, a coating treatment can be easily performed in the next process. |
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