PVC Pipe

PVC Pipe

PVC is widely used in the construction industry.

PVC is widely used in the construction industry, such as: PVC conduit pipe, PVC water supply pipe, drainage pipe etc.

PVC is widely used in the construction industry, such as: PVC conduit pipe, PVC water supply pipe, drainage pipe etc.

 

PVC pipe (PVC-U pipe) UPVC pipe is the first plastic pipe developed and applied, which is extruded by hot pressing method after PVC resin is combined with stabilizer and lubricant. PVC-U pipe has strong corrosion resistance, easy adhesion, low price and hard texture. However, due to the leakage of PVC-U monomer and additives, it is only suitable for the water supply system with the delivery temperature not exceeding 45 . Plastic pipes are used for drainage, waste water, chemicals, heating and cooling liquid, food, ultra pure liquid, mud, gas, compressed air and vacuum system applications.

 

As one of the products of the development of science and technology, PVC pipe can be seen in daily life. In Europe, the growth rate of plastic pipes was 8% from 1980 to 1990, and the output reached 3.5 million tons in 2001, of which PVC pipes accounted for 60%. In 1985, the output of plastic pipes in the United States was 1.6 million tons, while in 1999, the output was about 3.6 million tons, of which PVC pipes accounted for 78%. China's first UPVC flared pipe was born in Shenyang plastic factory in 1983. Since then, China has the production capacity of PVC pipe and drainage pipe. The late 1990s is a period of rapid development of PVC pipes in mainland China. During this period, some factories with annual production capacity of more than 50000 tons have been built and put into operation, and more than 30 PVC pipe factories with production capacity of more than 10000 tons have been built. The annual production capacity of plastic pipes is 2 million tons.

Developing trend

PVC pipe with its light weight, corrosion resistance, high compressive strength, safe and convenient characteristics has been praised by the engineering community. In recent years, with the rapid development of domestic economy, PVC pipes in China have developed rapidly.

Industry analysts pointed out that: supported by PVC complete supporting industry chain and domestic raw materials, PVC pipe production accounted for 55% of the total in 2010. In recent years, PVC pipe market is affected by various factors and its market share is declining. However, there are three main reasons for the decline of PVC pipe market share:

First, the PVC pipe market is impacted by PE, PPR and other plastic pipes, and has been seized a certain market share;

Second, the prohibition of lead containing stabilizers in PVC pipes in contact with food products has a certain negative impact on the development of PVC pipes;

Third, at present, the development of PVC pipeline is in a high-speed development period, and the industry capacity continues to expand. 


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