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- Новости От Haomei (270)
Бумага из алюминиевой фольги в больших рулонах has grade of 8011, 3003, 1235, 1050, и т.п., и нравы O, H18, H22, H24, и т.д. Основные характеристики: 80-1500 мм шириной и 6-200 микроны толщиной. Это водонепроницаемый, маслостойкий, светонепроницаемый, теплопроводящий, теплоизоляционный, и т.п., он пригоден для вторичной переработки и экологически безопасен. Благодаря уникальной комплексной производительности, aluminum foil jumbo roll is widely used in food packaging, медицинская упаковка, авиация, электроника, машины, building decoration and other fields.
Aluminum foil paper in jumbo roll puts forward more stringent requirements on the hydrogen content, non-metallic inclusion content and grain size of the cast slab. The grain size of the cast-rolled plate is one level. In order to ensure that the metal achieves high purity, the online refining and degassing and filtering devices are usually added in the casting process to purify the melt, and the addition of modifiers is implemented for melt modification treatment, so that the material structure is uniform and the grains are refined. Поверхность рулон алюминиевой фольги should be clean and flat, and no defects such as corrosion, щели, holes, brown oil spots, и т.д. that affect the use are allowed, and no bright spots that affect the use are allowed. The end surface of the aluminum foil roll should be clean and tidy, and there should be no serious burrs, split layers, стрелки, башни, bumps and other defects that affect use.
Поверхность бумага из алюминиевой фольги в больших рулонах is allowed to have pinholes that are visible to light, but in any area of 4mm x 4mm or any area of 1mm x 16mm, the number of pinholes should not exceed 8, and the size of pinholes should not exceed 0.3mm and needles smaller than 0.02mm holes are not counted.