Urbanization brings to the plastic pipe industry in our country a golden opportunity for development. "Must be adjusted to upgrade, to pipeline service life of 50 years of international standards, ensuring the safety of gas and water." Secretary general of the China plastics processing industry association of professional committee of the plastic pipe zhan-jie wang said.
Our country is the largest country in the world plastic pipe production, are. 2011 the annual output of 10 million tons, up 19% from 2010. Among them, the PVC (polyvinyl chloride) pipe (50%), PE (polyethylene) (30%), PP (polypropylene) tube accounted for 10%.
Because of the excellent features and laid the characteristics of convenient, plastic pipe are soaring, more than 30% market share in the pipes. Among them, PE pipe is mainly used for gas, municipal water supply, agricultural irrigation and drainage tube, etc.
Although the application of plastic pipe has is very wide, but there are significant "sick" industry.
A productivity rush is a few years ago, the domestic plastic pipe production enterprises more than 3000, and most of the small and medium size, total capacity of up to 20 million tons/year.
Second, pipeline in a cluttered market, some enterprises in the pursuit of profit, adopt low price strategy, even as raw material of the recycled material, adopting "white and black" backward process production of low-grade products. The so-called "white and black", refers to the white material in PE china-canada low-cost carbon black masterbatch directly processed into the pipe.
For this process, the Shanghai chemical building materials association secretary-general Shao Cangwei said: "do often make carbon black particles distribution uneven, the carbon black content is insufficient, thus reduce the intensity of pipe, the pipe pressure, stress cracking performance, health, safety, etc., are a serious hidden trouble, amounted to less than 50 years of life. At the same time, the process of raw material is easy to fake, a lot of difficulty to the administrative department for industry and commerce law enforcement."
Three is the high quality product market share is low, less true to mix ingredients in the production of pipe products, appear even the gas industry is not willing to purchase domestic mix ingredients in the production of gas pipe, and at a higher price to buy imported products.
Zhan-jie wang introduces, in the next few years, the plastic pipe production in China will maintain a 10% growth rate, by 2015 the total output will be more than 13.2 million tons, the plastic pipe in the pipe market share of more than 50%. "To promote the healthy growth of industry, business and quality inspection and relevant government departments, associations and enterprises should cooperate closely, mutual play industry adjustment upgrade of" combination ".
Upstream raw materials enterprises should take the initiative and pipeline production enterprises, as well as end users such as city gas company, municipal and other cooperation, to provide technical solutions. Shanghai petrochemical plastic see said hsu-huei sun manager, Shanghai petrochemical is the earliest introduction of the Nordic chemical 250000 tons/year full density of bimodal polyethylene technology manufacturing PE mix ingredients, including YGH041T black pipe material in 2005 by the Swedish national testing and verification the PE100 level institute of international certification, the company is to study the practice of multinational companies, for customers, clients and customers, provide excellent service and technical support.
In order to ensure the security of the industry, gas industry led by five gas company set up the "+" the G5 group, adhere to high standards purchasing a famous brand of PE pipe. Zhan-jie wang said, pipe industry should do a good job in cooperating with China petrochemical, China petroleum and other PE raw materials companies, as well as the plastic pipe industry leading enterprises, fully capable of producing the international level of PE pipe pressure.
