| 摘要 |
PURPOSE: A silver graph packing sheet including a glacial acetic acid coating layer is provided to offer the powerful antibiotic effect to electrolessly plated silver, and to secure the freshness of food inside the sheet. CONSTITUTION: A silver graph packing sheet including a glacial acetic acid coating layer includes a polyethylene sheet layer or an aluminum foil sheet layer, a sodium sulfide layer, a silver coating layer, and the glacial acetic acid coating layer. The sodium sulfide layer dips the polyethylene sheet layer or the aluminum foil sheet layer into a tank. The silver coating layer is formed by dipping the sheet into a tank containing a silver solution and drying the sheet.
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