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The rapid development of plastic pipe industry has hidden worries
The rapid development of plastic pipe industry has hidden worries
According to the China Plastics Processing Industry Association, the annual growth rate of China's plastic pipes has reached 15%, ranking first in the world. This kind of development speed is gratifying, indicating a huge market capacity and the prosperity of the entire industry, but it is not difficult to see that behind this rapid development, there are various hidden worries: the cake is huge, and enterprises no matter how big or small they want to get a share Thousands of companies appeared overnight, making money in enclosures, and quickly occupying various regional markets through various means. In order to further compete for market space, distributors began to squeeze each other and turn to As manufacturers lose profit margins step by step, competition has gradually shifted to low-level competition dominated by price competition. Some blindly lowering prices eventually led to vicious competition. Some follow-ups were unable to profit from the scale effect due to their small scale, so they started Using shoddy materials to make a fuss about raw materials, fake and inferior products emerged at the historic moment, which seriously affected the normal development of the plastic pipe market, and the market order fell into a chaotic situation. Industry professionals felt huge market pressure from it to regulate and rectify the market. The call for order is getting louder.
As the plastic pipe industry is still an emerging industry in China, compared with other industries, the brand awareness of the plastic pipe industry is relatively indifferent, the marketing network construction is relatively lagging, and the low technical entry barriers and capital entry barriers make the scale of enterprises generally small , Single marketing methods, high marketing costs, lack of publicity planning, almost no investigation, research and response methods for the target market and market segments, swarming, and focusing on technology content, product quality less consideration, when competition is increasing When it is fierce, many companies are caught in the embarrassing dilemma of channel conflicts, rising costs, declining revenues, continuous customer complaints, and a substantial decrease in satisfaction.
Most of my country’s plastic pipe industry’s production and even exports are low-end products, with low added value. The product process and technical content are far behind similar imported products. Exports are also limited to a few underdeveloped regions, and there is no high-end product. Innovation and breakthrough. Although the development of plastic pipes in my country in the past two years has been unstoppable, there are few high value-added plastic pipe products. At present, domestic plastic water pipes and pipe fittings are mostly general-purpose products, and there are few pipes and pipe fittings with high requirements and high value-added content. This greatly limits its application in the market, and the application of plastic pipes in the high-end field is only in its infancy.
The reason for this situation is that, on the one hand, due to the low level of overall equipment and relatively backward process technology, although the pace of technological transformation has been accelerated, a large number of advanced equipment has been imported from abroad, and the variety and quality of domestic plastic processing machinery have improved significantly, As far as the industry is concerned, there are still problems of low equipment level and relatively backward technology. On the other hand, China has spent billions of dollars in the past ten years to purchase and introduce foreign technology and equipment, which has greatly improved the benefits and product quality, but so far it has relied on its own strength to research successful processing technology or develop There are few plastic pipes, and there is always a clear gap with developed countries. This is closely related to the lack of investment in science and technology in the entire industry, and the research and development costs are far below 4% of the company’s sales revenue. The lack of innovation keeps our products at a low level. In the end market, because of small interests, each other competed for market space, and finally formed a situation of vicious competition.
To solve the dilemma faced by the plastic pipe industry, and to make this industry continue to develop rapidly along a standardized and orderly road, on the one hand, it is necessary to strengthen the standardization and rectification of market order, and on the other hand, it requires industry enterprises to embark on technological innovation as soon as possible. The road to substantial improvement with quality first. The standardization of market order depends on the relevant policies and regulations of government departments, but it also depends on the coordination and organization of the industry itself. Only by strengthening industry self-discipline can a good competitive relationship be formed, and the survival of the fittest in the industry can gradually be realized. Under the current conditions Re-integration and effective allocation of various resources, gradually forming a certain industrial scale through mergers, alliances, etc., manufacturers and distributors gradually form a good and stable cooperative relationship in this integration process, and properly handle them through specialized division of labor A series of issues related to the vital interests of consumers, such as pre-sales, in-sales, and after-sales services in the tertiary market, will lead the market to a path of healthy development. At the same time, the entire industry should strengthen the production technology of supporting pipe fittings, special resin production technology, work hard on additives and raw materials, make a fuss on detection and control technology, and strive to develop high-end products through independent technological innovation, process innovation, equipment improvement and independent design , Launching a batch of new products, new technologies and new equipment with independent intellectual property rights, dare to challenge Korean and European technologies, so that our rapid development can be fundamentally guaranteed, and China's plastic pipe industry can enter the fast lane of healthy development.
In the near future, the domestic market’s demand for plastic pipes may continue to grow at a rate of more than 20% per year, especially because China continues to accelerate the pace of modern urban construction, strengthen urban sewage treatment, and build water supply and drainage systems and urban building heating systems. The application prospects of water supply and sewage pipes, gas and heating pipes, large-diameter buried pipes, etc. are extremely broad. Therefore, plastic pipe manufacturers must seize the opportunity to continuously explore new application areas and focus on the development of hard polyvinyl chloride (pvc- u), polyethylene (pe), and three-type polypropylene (pp-r), strengthen the production technology of supporting pipe fittings of plastic pipes, special resin material production technology, the detection technology and equipment improvement required for various plastic pipes, so as to truly Promote the sustained and stable development of plastic pipe production in China.
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2020-12-07
Characteristics and connection method of PE gas pipe
1. Features of PE gas pipe
1. Good hygiene performance: no heavy metal salt stabilizer is added during PE pipe processing, the material is non-toxic, no scaling layer, no bacteria breeding, and it solves the secondary pollution of urban drinking water.
2. Corrosion resistance: Except for a few strong oxidants, it can withstand the erosion of a variety of chemical media; no electrochemical corrosion.
3. Long service life: PE pipes can be used safely for more than 50 years under rated temperature and pressure conditions.
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2020-12-07
PE gas pipe hdpe gas pipe
PE gas pipe adopts gas polyethylene pipe with many excellent properties and is used in the field of gas transportation. The corrosion of steel pipes and cast iron pipes and the leakage of joints will be completely solved, thus ensuring the safe operation of the gas pipeline network system. The PE material selected for the PE gas pipe is an inert material, which can withstand the erosion of a variety of chemical media.
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2018-03-22
Ways to reduce the noise of PVC drainage pipes
While adding stabilizers to improve the chemical stability and strength of pvc pipes, the sound insulation performance of the plastic itself has been greatly weakened. Therefore, in the current situation of reliable mechanical performance of pvc drainage pipes, how to solve the problem of sound insulation and noise reduction has become a top priority. The author believes that we can start with the noise source and adopt the following improvement measures to improve its sound insulation performance:
①It is made into double-wall hollow sound-proof PVC drainage pipe
The special equipment for PVC pipe extrusion is modified, an intermediate mold is added between the inner and outer jacket, and the outer mold is modified to increase the intermediate distance to form a hollow cavity between the two walls, so that the plasticity of PVC will not be changed. But it can increase the damping of the pipe along the flow direction, thereby increasing
Strong sound insulation effect.
Using single-wall double-material PVC pipe
On the basis of the original single-wall PVC pipe, a secondary formula is carried out, that is, the porous sound-absorbing material formed by plastic foaming technology is used to increase the wall thickness to achieve the purpose of increasing the damping along the outer wall direction, so as to obtain a good sound insulation effect. A set of equipment needs to be added, thus increasing the manufacturing cost.
Muffled PVC drainage pipe
The PVC pipe is made into a muffled drainage pipe with spiral fins attached to the inner wall. At this time, its outer wall is still a PVC hard plastic pipe (to ensure the required strength of the drainage pipe), but a certain width of flexible and strong soft is attached to the inner wall Plastic spiral belt, which unloads part of the impact pressure of the water flow onto the spiral belt, thereby buffering the pipe wall.
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2018-03-22
What is the difference between PVC water supply pipe and PVC drainage pipe
1. Different purposes: one for water supply and one for drainage. PVC water supply pipes are mainly used for: a. Indoor water supply and reclaimed water systems for civil and industrial buildings; b. Buried water supply systems for residential quarters and factories; c. Urban water supply pipeline systems; d. Water treatment plant water treatment pipeline systems; e. Marine aquaculture; f. Garden irrigation, well sinking and other industrial pipes. PVC drainage pipes are mainly used for building drainage and domestic sewage drainage.
2. Different specifications: PVC water supply pipes have more specifications and models, and PVC drainage pipes have relatively fewer specifications and models, because the drainage system itself does not require too many specifications. Even with the same model (outer diameter), the wall thickness of the water supply pipe and the drain pipe are often different, because the water supply pipe requires pressure, and the drain pipe usually does not need to consider the pressure.
3. The price is different: This will not be explained in detail, and the specific price can be consulted by each manufacturer.
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