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  • Product Name: 1980 - 1990 the growth rate of the plastic tube is how much

Pipe production line as one of the scientific and technological development of the product in their daily lives, upvc pipe that caught the attention of availability. In Europe, 1980 - 1990, the growth rate of the plastic tube for 8% of 2001 annual production of 3.5 million tons, of which 60% PVC pipe. The American plastic tube production to 1.6 million tons in 1985, annual output of about 3.6 million tons in 1999, which, PVC pipe (78%).

The first root UPVV flared tubing is born in 1983, Since then, the Chinese mainland has a PVC to the production capacity of the drains. The late 1990s is a period of rapid development of the Chinese mainland upvc pipes. During gradually put into operation in the factory of more than 50,000 tons annual production capacity of more than 30 million tons more than the scale of production upvc pipes factory. At present, the annual production capacity of 200 million tons in the plastic pipe. Currently, UPVC pipe has been widely applied to high-rise buildings, but did not pay sufficient attention to the fire safety problems, the fire special inspection nor the UPVC pipe installation advice.

Norms were not due to the existing high-rise building fire safety design specifications "GB50045-95, construction of drainage with a hard PVC pipe" GB/T5836.1-92 and construction of drainage hard PVC piping engineering technical specifications "CJJ-96 how to use UPVC pipe to be clearly defined, so that the issue "out of nowhere".