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One. air conditioning foil
Air conditioning foil is a special material for manufacturing heat exchanger fins for air conditioners. The air conditioning foil used in the early stage is plain foil. In order to improve the surface properties of plain foil, the hydrophilic foil was formed by coating anticorrosive inorganic coating and hydrophilic organic coating before forming. At present, hydrophilic foil accounts for 1% of the total air conditioning foil, and its application proportion will be further improved. There is also a hydrophobic foil, so that the fin surface has hydrophobic function, to avoid condensate adhesion. Because the skills of water-repellent foil to improve defrosting performance need further study, there is little production in practice at present.
Two Cigarette Packaging Foil
China is the largest cigarette producer and spender in the world. At present, there are 146 large cigarette factories in China. The total annual output of cigarettes is 34 million boxes. Cigarette foil is basically used for packaging. Among them, 30% choose spray-plated foil, 70% choose calendered aluminium foil. The consumption of calendered aluminium foil is 35,000 tons. The demand for cigarette foil has slowed down dramatically due to the impact of cigarette smoke. It is estimated that it will be slightly increased in recent years. China's cigarette packaging foil accounts for 70% of the total double zero foil. At present, two or three domestic companies can produce high quality cigarette foil with appropriate skill level and world level, but the overall quality of domestic cigarette foil is far from the world level.
Three. Foil for decoration
The decoration foil is the decoration material used by the way of aluminium-plastic composite. It uses the characteristics of aluminium foil with good coloring and high light-heat reflectivity. Primarily for construction, private decoration and some gift box packaging. The use of decoration foil in China's construction industry began in the 1990s. It has spread rapidly from Shanghai, Beijing, Guangzhou and other central cities to all parts of the country. In recent years, the demand has increased dramatically. It is usually used as decoration materials for the interior walls of buildings and indoor furniture. It is also widely used in the facade and interior decoration of commercial institutions.
Four, cable foil
Cable foil is an aluminium # plastic composite foil, which is made of aluminium foil with sealing and shielding properties. It is coated with plastic film on one or both sides and used as a shield for cables. Cable foil needs less oil, no holes, high mechanical properties, low overall quality, but very strict length. At present, the domestic leading cold rolling mill, all-round rolling mill and aluminium foil roughing mill can be produced, but the mall growth is poor, domestic annual demand is 25,000 tons.