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BuKePrinting >> process >> 步殼印刷​馬口罐內塗裝工藝

步殼印刷​馬口罐內塗裝工藝

From:Buke printing factory of China | Author:China Bukeprinting factorybook0755 | Published time: 2021-09-04 | 452 Views | Share:
內塗料應具有耐腐蝕性，良好的附著性、柔韌性，無毒無味。塗層必須能經受高頻電阻焊接時的加熱及罐裝後的高溫、高壓、蒸煮而不喪失其性能。

                            步殼印刷馬口罐內塗裝工藝


用馬口鐵製作的罐頭容器，通常需要在其內錶面除印某種塗料，其目的是防止頭內裝的與罐壁相互間的化學作用和微量有害物質對內裝物造成污染，


保護內裝物的新鮮度以及原有的風殊，使罐頭食品能在長時間內儲罐、運輸和銷售，且不影響其食用價值。


罐頭容器內錶面塗布塗料，是在馬口鐵裁切成罐身還料之前、用滾塗機在馬口鐵錶面上塗而成的，滾塗機可通過本身的加料裝置獨立地進行塗布作業，


也可以同金屬印測機相配成印塗作業線。塗印後的馬口鐵在循環運行的鏈條帶動下通過烘房高溫固化。


一股分為預熱、恆溫烘烤及冷卻三部分、整個烘烤時間需要10-15mm此後用自動式卸板機卸下鐵皮，塗層經檢驗、理化測試合格後轉入印刷制罐工序


內塗料應具有耐腐蝕性，良好的附著性、柔韌性，無毒無味。塗層必須能經受高頻電阻焊接時的加熱及罐裝後的高溫、高壓、蒸煮而不喪失其性能。


此外，還必須根據罐頭內容物來選擇塗料的種類和確定塗層的塗印厚度。


步殼印刷馬口罐內塗裝工藝

步殼印刷馬口罐內塗裝工藝


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