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轮胎注塑模具外文文献理工.doc

发布:2018-04-29约1.44万字共8页下载文档
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Developing Trend for Plastic and Plastic Mold 1 Plastic industry Since the reform and open policy,the plastic processing industry in our country has developed rapidly in the speed of 10% annual average,it is 3 to 5 percentage points high- -er compared to the speeding up average of GDP.At present,our country has marched into the world plastic great nation ranks,the annual output of plastic products has been the second of the world,and has formed the class complete industry system. Along with the unceasing expanding of the application area for plastic products,the production of plastic products in the world in the future 10 years will increase in the spee- -d of 3% per year,the total capacity of plastic products in the world in 2010 will be up to 186 million tons. The greater demand for plastic products in our country will be kept on,the production of plastic products will increase in the speed of 10% per year.And it is estimated that,the total capacity of plastic product in our country will approach to 40 million tons in 2010. The development key of plastic industry in the future in our country is in the aspect of plastic product in industry,traffic and engineering,the packing plastic products,building plastic products,agricultural plastic products and the water saving plastic pro- -ducts etc. 1.1 Plastic products in industry,traffic and engineering Engineering plastic is the category that developed quickest in the plastic industry at present.Along with the fast development of the economy in our country,its application scope and quantity has increased unceasingly. The products in this scope include the plas- -tics used in traffic and carrying trade as well as the engineering plastics used in electron- -ic,electrical appliance and information industry etc.In 2005,the total demand of engi- -neering plastic products in our country was approximately 4.5 million tons;in 2010,the demand of plastic only for automobile will be up to 1 million tons。 1.2 Plastic products in
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