2021-11-12 15:29| 發(fā)布者: steelfu4mo| 查看: 1409| 評論: 0 |原作者: 佛山萬慶物資
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對于覆膜鐵來說,膜的研制是其核心技術(shù)。用于覆膜鐵制造的高分子薄膜既需要具有熱塑性貼合能力,又要與不同罐裝內(nèi)容物的理化性能兼容,以確保其對鍍鉻基板和內(nèi)容物的良好阻遏;同時,在罐裝各種內(nèi)容物的貨架期內(nèi)須保持所包裝食品的風(fēng)味;此外,在食品高溫蒸煮菌過程中不變色和脫落,以保持高的濕潤密閉性,并在制罐成型過程中,能經(jīng)受高溫、高摩擦力和彎曲等復(fù)合力的作用,具有較好的附著力。
For the coated iron, the development of the film is its core technology.The polymer films for iron coating need to be thermoplastic and compatible with the physical and chemical properties of different canned contents to ensure a good suppression of the chrome substrate and contents; during the shelf period of the canned contents; and to maintain high adhesion of high temperature, high friction and bending.