Plastic Items Plastic is a kind of synthetic polymer material with plasticity. It is with the synthetic rubber, synthetic fibers to form today's daily life indispensable to the three synthetic materials. Specifically, the plastic is a natural or synthetic resin as the main component, adding a variety of additives, in a certain temperature and pressure conditions can be molded into a certain shape, at room temperature to maintain the same shape of the material.
Plastic Items Compared with metal, stone, wood, plastic products with low cost, strong plasticity, etc., widely used in the national economy, the plastics industry in today's world occupies a very important position, over the years the production of plastic products in the world high-speed development The China's plastic products production in the world rankings are always in the forefront, of which a variety of plastic products production has been located in the world's first, China has become the world's largest producer of plastic products. 2001 - 2010 China's annual output growth of plastic products maintained at 15% or more, in 2010 China's total output of plastic products reached 58.3 million tons.
From the demand point of view, China's per capita consumption of plastic compared with the world's developed countries there is a big gap. According to statistics, as a measure of the level of development of a national plastic industry indicators than steel, China is only 30:70, less than the world average of 50:50, much less developed countries such as the United States 70:30 and Germany 63:37. The future With China's modified plastic technological progress and consumption upgrades, China's plastic products need to be expected to maintain more than 10% growth rate.
Plastic products widely used, the huge downstream industry for the development of China's plastic products industry provides a strong support. With the "revitalization of the petrochemical industry planning rules," the introduction of China's plastics industry ushered in a new development opportunities. China's plastic products market demand is mainly concentrated in agricultural plastic products, packaging plastic products, building plastic products, industrial transport and engineering plastics products, and several other aspects.
1. Light weight
Plastic is a lighter material with a relative density distribution between 0.90-2.2. Obviously, can the plastic float on the water? In particular, foam plastic, due to microporous, lighter texture, the relative density of only 0.01. This feature allows the plastic to be used in products that require weight reduction.
2. Excellent chemical stability
The vast majority of plastic on the acid, alkali and other chemical substances have a good anti-corrosion ability. In particular, commonly known as the plastic king of polytetrafluoroethylene (F4), its chemical stability even better than gold, on the "aqua regia" cook for a dozen hours will not deteriorate. Because F4 has excellent chemical stability, is the ideal corrosion-resistant materials. Such as F4 can be used as a corrosive and viscous liquid pipeline material.
3Plastic Items Excellent electrical insulation performance
Ordinary plastic is a bad conductor of electricity, the surface resistance, volume resistance is large, with the number that up to 109 a 1018 ohm. The breakdown voltage is large and the dielectric loss tangent is small. Therefore, the plastic industry in the electronics industry and the machinery industry has a wide range of applications. Such as plastic insulated control cables.
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