By Frbiz Tian
China plastic pipe industry in recent years, sustained high growth, particularly in construction, public works, agriculture, industry, electricity, telecommunications and other industries to increase market demand, further driving the rapid growth of plastic pipe industry, so “15” period the growth rate stable at a high level. China has become the plastic pipe production and application of power, one of the production increase at the same time, improve product quality, the industry accelerated technological progress, productivity, production, application volume and other economic and technical indicators have reached the highest level of product variety increase, application has been further widened.
Plastic Pipe Industry Status
(1) China has become the production and application of plastic pipe power.
“Plan” before the level of plastic pipe is relatively low, then apply only to drainage, general purpose, production, application volume, variety, size, quality and standards with the developed countries still lags behind. After years of efforts, from the late 80s of the 20th century by a great development, in particular, significantly speeding up the pace in the 21st century, has become productive and application of large countries.
The end of 2005 the industry processing capacity of the various plastic pipe over 4000kt, thousands of various production scale enterprises. Plastic pipe production in 2001 was about 1200kt, is 6 times higher than in 1990. Average annual growth rate of 19%, at the international leading standard.
(2) increase the rate of increase of plastic pipe outlet.
With the increase in yield and quality in recent years, exports showed a growth in export volume and foreign exchange volume increased, see Table.
(3) plastic piping materials, structural varieties more.
After years of efforts, China has established a polyvinyl chloride (PVC) pipe, polyethylene (PE) pipes and polypropylene (PP) tube-based processing and application of plastic pipe industry, from the material points, now PVC-U , PE and PP plastic is still the most common species. PVC pipe, the hard products (PVC-U) as the most, mainly for water supply, drainage and jacket, etc.; PE pipe is mainly used for water supply and gas transportation; PP tubing, PP-R as the main species, which is mainly used in building the cold, the water transport.
Some new material also has a large pipeline of technological progress, plastic and plastic, plastic and metal, plastic and other materials developed rapidly in the composite pipe, cross-linked polyethylene (PE-X), ultra-high molecular weight polyethylene (PE-UHMW), acrylonitrile – butadiene – styrene copolymer (ABS), polybutylene (PB), heat-resistant polyethylene (PE-RT), chlorinated polyvinyl chloride (PVC-C) and modified so material consumption also increased.
(4) The application has been further widened.
In addition to municipal and construction to the drain pipes are still major uses, agricultural (drinking water, irrigation and drainage) pipeline continues to grow, municipal sewage, gas, heating, urban excavation, communications, electricity, mining and other industries scaled further increased.
Plastic pipe has become popular is applied to buildings, drainage, building heating, city gas transport, rural transport methane gas, urban water supply, municipal drainage, sewerage, drinking water in rural transformation, agricultural irrigation and drainage, electricity, communications, industrial and many other fields . Some people praised the city’s vascular plastic pipe, plastic pipe and our lives are inextricably linked.
(5) other related industries.
Product demand growth has also led to processing equipment, resins, additives and other related industries, although some industries and foreign developed countries there are still gaps, but is gradually narrowing. PVC and other resins to further enhance the production capacity, production capacity in 2005 to almost 10000kt, the quality and quantity has been able to include the pipeline, including products to meet the processing requirements. Development of special materials of polyolefin pipe also made substantial progress.
(6) technological progress is accelerating.
“15” plastic pipe industry during the rapid growth of the industry to promote technological progress. In particular the increase in international exchanges, many companies attach great importance to the international forefront of technology, emphasis on new product development and introduction of new technologies and introduction of advanced processing equipment, but also constantly strengthen R & D of new products, some large enterprises have their own with the advanced level of research and development center, the technical strength Youzhuojiangtai, now Guonei plastic pipe industry in Yijingyongyou into more than 300 Invention, Utility patent technology, and some independent Zhishichanquan products internationally leading position, with foreign advanced technology country is gradually narrowing the gap, now from simple products to replace imported into the international export. Variety of plastic pipe, structure, new materials, new technologies, new technology and patents are more and more different types of plastic pipe used in different display their respective advantages.
(7) Standardization of plastic pipe to be strengthened.
In recent years, plastic piping standardization work has been greatly strengthened, the standards set up a relatively perfect system, “15”, the new formulation and revision of national, dozens of industry standards, current state and the light industry, construction, agriculture, communication, etc. the industry standard of 80 or more products, plastic pipe engineering standards and regulations more than 20, most of them equivalent, the same reference to the international and advanced use of national standards, primarily technical projects and targets identified as advanced, and practice has been continuously revised and improved.The problems of plastic pipe industry (1) does not regulate the market and affect the healthy development of industry.
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