近几年来，铝箔包装应用范围不断扩大，除药品包装外，食品包装、保健品包装等均有应用，促使我国的铝箔印刷技求不断提高，现在达到铝箔反正面双侧均可印刷。不但能印刷一种颜色的产品，而且还可印成五颜六色文字图案的多色品种，铝箔表面经涂布成为仿金色箔等各种色彩均展现在消费者面前，这样的包装形式让人感到高贵华丽，爱不释手，起到了良好的宣传、保护产品的作用。
in recent years, the application range of aluminum foil packaging has been expanding. in addition to drug packaging, food packaging and health care packaging have been applied to promote the continuous improvement of the printing technology of aluminum foil in our country. now it can be printed on the opposite side of aluminum foil. not only can print a kind of color product, but also can be printed into multicoloured varieties of colorful characters. the surface of aluminum foil is coated into imitation gold foil, and all kinds of colors are displayed in front of the consumer. this form of packaging makes people feel noble and gorgeous, and they have played a good role in publicizing and protecting products.
铝箔是一种高档的包装材料，可以替代大面积的电化铝烫金、烫银，印刷的产品富丽堂皇，不仅提高了包装商品的档次，且提高了包装商品的陈列价值，广泛应用于高档商品的商标和包装。铝箔在食品和医药等包装领域中应用也很广，铝箔与塑科薄膜复合，有效利用了耐高温蒸煮和完全遮光的特性，制成蒸煮袋，可包装烹调过的食品，多层复合薄膜也用于饼干、点心、饮料等小食品包装。
aluminum foil is a kind of high grade packaging material, which can replace large area of electrified aluminum hot metal and hot silver. the printing product is magnificent. it not only improves the grade of packaging goods, but also improves the display value of the packaged goods. it is widely used in the trademark and packaging of high-grade goods. aluminum foil is also widely used in the packaging field of food and medicine. aluminum foil is combined with plastic film. it has effectively used the characteristics of high temperature cooking and complete shading. it can be made into cooking bags, can be packaged in cooked food, and multi-layer composite film is also used for cookies, snacks, drinks and other snacks package.
铝箔的特点是：具有金属光泽、避光性好，对热和光有较高的反射能力，金属光泽和反射能力可以提高印刷色彩的亮度；隔绝性好，保护性强，不透气体和水汽，防止内装物吸潮、气化，不易受细菌及昆虫的侵害；形状稳定性好，不受湿度变化的影响。易于加工，可对铝箔进行印刷、差色、压花、表面涂布、上胶上漆等；不能受力，无封缄性，有针孔和易起皱等现象，所以一般情况下不单独使用，通常与纸、塑料薄膜加工成复合材料，克服了无封缄性的缺点，隔绝性等优点也得到充分的发挥。
the features of aluminum foil are: metal luster, good light avoidance, high reflective ability to heat and light, metal luster and reflection ability can improve the brightness of printing color; good isolation, strong protection, impermeable gas and water vapor, prevent moisture from moisture and vaporization of the interior, not easily encroach on bacteria and insects; shape stability well, it&＃39;s not affected by the change of humidity. it is easy to process, can print aluminum foil, color difference, embossing, surface coating, lacquer and so on. it can not be subjected to force, no seal, pinhole and wrinkle, so it is usually not used alone, usually processed with paper and plastic film as composite material, overcoming the advantages of non sealing, isolation and so on. it has also been fully played.
铝箔生产是指从铝箔毛料开始到加工出素箔的全过程，它是铝板带冷轧工艺的延续。铝箔的坯料有热轧坯和铸轧坯两种，经冷轧成厚度为0．4—0．7mm的铝箔毛料，再经粗轧、中轧和精轧获得不同厚度的铝箔。生产铝箔的具体工艺流程是根据所生产产品的合金种类、成品规格、产品质量要求、产量的多少及生产设备的规格、生产能力等因素来确定的。
the production of aluminum foil refers to the whole process from the beginning of aluminum foil to the processing of plain foil, which is a continuation of the cold rolling process of aluminum strip. there are two kinds of hot - rolled and cast - rolled billets for aluminum foil, which are cold rolled into aluminum foil with thickness of 0.4 - 0.7mm, and then the thickness of aluminum foil with different thickness is obtained by rough rolling, medium rolling and finishing rolling. the specific process of producing aluminum foil is determined by factors such as the type of alloy, the specifications of the finished product, the quality requirements of the product, the quantity of production, the specifications and production capacity of the production equipment.
铝箔印刷可采用凸版印刷、凹版印刷和柔版印刷。凸版印刷适用于小批量印刷，凹版印刷和柔性版印刷适用大批量的卷简纸印刷。印刷过程中要采取以下措施：需要较大的印刷压力。铝箔的阻隔性强，吸收性差，压力使印版和铝箔表面以的面积接触并强迫油墨附着。要求油墨的粘着性强，干燥速度要、快。可采用印铁油墨，树脂型胶印快固着油墨或胶印和塑料墨的混合墨。油墨内一般需加催干剂以提高干燥速度，如凹版印刷必须加装热风干燥装置。选定油墨上机前必须先打小样，检测其色相、干燥性等是否符合要求。
aluminum foil printing can be done in letterpress, gravure and flexography. letterpress printing is suitable for small batch printing. intaglio printing and flexographic printing are suitable for mass volume printing. the following measures should be taken in printing process: greater printing pressure is needed. the aluminum foil has strong barrier property and poor absorbency, which makes the printing plate and aluminum foil contact with the largest area and force the ink to adhere. it requires strong adhesiveness and fast drying speed. ink can be used for printing ink, resin fast printing ink or offset ink and plastic ink. the drying agent is usually required to increase drying speed in the ink, such as hot air drying equipment. it is necessary to sample the ink before selecting the ink, and check whether its hue and dryness meet the requirements.
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历城区国翔商贸中心
张先生
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山东 济南 历城区