A clear explanation of sulfur treatment with proven reliability and performance in safety and quality.
"Sulfur treatment" is a method that has been used in the past to suppress the leaching of alkaline components, suitable for surface treatment of glass containers. By reacting glass with sulfur compounds at high temperatures, alkaline components in the glass surface layer are selectively extracted and removed. This is expected to prevent changes in the internal liquid over time, reduce potency, and suppress the generation of flakes. This document provides a detailed explanation of the mechanisms and various test results, such as the amount of alkaline leaching when treating different types of glass containers, using charts and graphs. [Contents (excerpt)] ■ Effect of sulfur-treated glass containers on reducing alkaline component leaching ■ Mechanism of sulfur treatment ■ Amount of alkaline leaching when treating various glass containers ■ Quantification and confirmation methods for sulfate ions ■ Confirmation of sulfate ions using sulfate testing methods *For more details, please refer to the PDF document or feel free to contact us.
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Since our establishment in 1954, we have contributed to the stability of quality by providing our unique silicone coating technology to meet the high functionality needs of glass containers, particularly in the pharmaceutical industry with ampoules and vials. As a specialized coating company, we perform a wide range of surface treatments for glass, not only silicone coating but also sulfur treatment, PVC coating, fluorine coating, and more, tailored to our customers' requests and challenges.