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    Leather Mechanical Properties Determine Leather Technology And Quality.

    2013/3/29 10:23:00 15

    Leather IndustryLeather MachineryLeather Technology

    < p > leather industry covers the main industries such as leather making, < a href= "http://www.91se91.com/news/" > shoemaking, /a, leather, leather, fur and its products, as well as leather chemicals, leather hardware, leather machinery, accessories and other supporting industries.

    The relationship between upstream and downstream is high, and driven by market, the product is evergreen, which integrates foreign exchange, enriching people and employment.

    < /p > < p >.


    < /p > < p > China < a href= "http://www.91se91.com/news/index_c.asp > > leather industry < /a >, after adjusting and optimizing the structure, a series of specialized and specialized markets of leather production have been formed in the whole country, which play a pivotal role in promoting the local economy and have a clear division of specialization and characteristics.

    Their formation has laid the foundation for the development of China's leather industry.

    < /p > < p >.


    < /p > < p > in the increasingly competitive market environment, it is not easy for China's leather industry to achieve such a result. It also proves the vitality and strength of China's leather industry.

    The market potential of leather and its products is very large. The global leather demand is about 100 million square meters, equivalent to 300 million cowhide (standard leather) output. China's leather output is equivalent to nearly 70 million sheets of standard leather, accounting for 23.33% of the world's leather output.

    However, enterprises in China's leather shoes industry and related industries should also face up to the fact that at present, there are many shortcomings in China. Although China is a large leather producing country in the world, it is not a leather power country. It is still in a weak position in terms of quality and value. It needs to be honed and improved in the environment of this market.

    < /p > < p > leather printing equipment < /p >


    < p > leather comes from animals, which determines the irregularity of leather.

    In addition, the price of leather is too high to waste, so it is decided that leather printing equipment can not copy the textile printing equipment.

    At present, the printing equipment in leather industry is divided into direct printing equipment, pfer printing equipment and some auxiliary equipment.

    Direct printing equipment: the first choice, of course, is manual lifting. It has the advantages of fast changing pattern, wide adaptability and convenient color register.

    However, the biggest problem of hand lifting plates used for leather printing is the large amount of waste caused by irregularity of leather. The professional term is called paste edge, and the scissors are used to repair them. Therefore, manual lifting boards do not use much in leather printing.

    < /p >


    < p > the most common type of leather printing is the roller printing machine. The special roller printing machine developed by South Korea has excellent printing effect. It can print any fine pattern, and the utilization rate of leather can be maximized without any waste.

    In addition, there are also plastic dropping machines and embossing machines.

    Transfer printing equipment: pfer printing requires a printing machine and heat pfer printing machine. At present, film is used instead of paper in foreign countries, so a film printer can also be used.

    The heat pfer printing machine is different from the textile. It requires high pressure and normal working pressure is 20~30kg/cm2, generally using oil pressure.

    The temperature requirement is not high, the highest is 120 degrees, and the ordinary 80 degrees is enough.

    Auxiliary equipment: auxiliary equipment is the key equipment of leather printing plant. It is related to product category and market share.

    < /p >


    < p > < a href= "http://www.91se91.com" > leather printing process < /a > /p >


    < p > first, dye printing, of course. The biggest advantage of dye printing is that the handle is not affected.

    However, leather can not be steamed at high temperature, so the technology can not copy the textiles.

    There are a series of dyes abroad, mainly 1:2 type metal complex dyes. The printed leather is not steamed, and it can be dried. However, the price of these dyes is high, and their strength is only 30% to 50% of ordinary dyes.

    A series of dyes were selected from textile printing dyestuffs. Their fastness is the same as that of imported ones. They are brightly coloured and have high strength. They only have a slight fastness to light fastness. They can be dried on the leather and can not be steamed or washed.

    < /p >


    < p > followed by pigment printing, which is the largest type of printing in leather printing.

    Because pigment printing can express gold and silver, with hot film, the product is more and more varied, which can maximize the expression of leather noble, gorgeous features.

    Wear resistant electrode.

    Transfer printing: pfer printing is the most suitable printing method for leather. It is divided into two ways: dry process and wet process.

    Dry pfer is mostly made of hot sol, which is printed on the release paper or BOPP film and pferred to leather under hot pressing condition.

    Wet pfer is to spray a special solution on the leather.

    Then the dye on the pfer paper is dissolved and the solution is fixed on the leather by hot pressing.

    Leather pfer printing is the most high-grade printing method on leather. The fineness and visual effect of flower pattern are not comparable with other methods.

    At present, there are factories abroad specializing in the production of such pfer paper, the price is 40~50 yuan / M.

    < /p >

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    Read the next article

    Recent International Leather Industry News Inventory Summary

    I recently summarized the international leather industry information, hoping to provide you with some help. The main information is: the export of clothing and leather goods in Italy reaches US $60 billion, but because the European economic situation is not ideal and Italy consumers cut spending, the whole industry's revenue has decreased by about 3.5%, and Ethiopia has made 80 million dollars in leather products export for 8 months.

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