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PPR Hot And Cold Water Supply Pipe


Fabrication materials:

PPR is a random copolymer polypropylene synthesized by (PP and PE) gas phase method. Its structural feature is that PE molecules are linked in PP molecules irregularly, with molecular weights ranging from 300000 to 800000. The pipes produced with PPR raw materials, also known as random copolymerized polypropylene pipes, are plastic pipe products developed and applied in the late 1980s and early 1990s. It has already occupied a place in the plastic pipe market and is recognized as a green product due to its excellent performance and wide application fields. However, during the market operation in recent years, the above examples of PPR plastic pipe quality problems found many problems in the PPR pipe market, which to a large extent restricted the benign development of PPR pipe.

Product disadvantages:

The main defects of PPR water pipe are: high temperature resistance, slightly poor pressure resistance, and long-term working temperature cannot exceed 70 ℃; The length of each section is limited, and bending construction is not allowed. If the pipeline is laid for a long distance or there are many corners, a large number of joints will be used in the construction; The pipe is cheap but the price of accessories is relatively high. However, from the perspective of comprehensive performance, PPR pipe is a pipe with high cost performance ratio, so it has become the preferred material for domestic water pipe reconstruction.

Compared with other kinds of pipes, galvanized iron pipes were banned by the Ministry of Construction in 2000 due to their many shortcomings; Although the aluminum plastic pipe has good high temperature resistance and is convenient for construction, when it is used as a hot water pipe, the pipe wall will be dislocated due to long-term thermal expansion and cold contraction, resulting in leakage; Copper pipes are durable and environmentally friendly, but they are not widely used due to their high price and high construction requirements.

PPR water pipe is made of three type polypropylene

PPR water pipe is a kind of polymer material pipe.

PPR is short for Polypropylene Random in English. It is commonly known as type III polypropylene. PPR pipe is a new generation of UPVC water supply pipe, aluminum plastic pipe, PE pipe, PE-X pipe and PE-RT pipe. Because it uses random copolymerization technology, the strength and high temperature resistance of polypropylene are well guaranteed, thus becoming the main force of water pipe materials.

Product advantages:

1. Health and environmental protection. Polypropylene is an environment-friendly material, which can be used as drinking water delivery.

2. The joint is connected by hot melt, and it is one piece, 100% leak free. Other materials are connected by wire mouth, which has poor impermeability, and also avoids the toxicity of glue bonding.

3. The conveying resistance is small.

4. The price is moderate.

5. It has a long service life and can be used for 50 years when it is produced and used according to the national standard GB/T18742.

PPR is the abbreviation of type III polypropylene. It adopts hot fusion welding, has special welding and cutting tools, and has high reliability. The price is also very economical. The thermal insulation performance is also very good, and the pipe wall is also very smooth! The general price is 4-8 yuan per meter (4 tubes). Joints of internal and external wires are not included.

PPR pipe is officially called random copolymer polypropylene pipe, which is one of the most widely used water supply pipes in home decoration projects.

Sichuan Tongyou Trading Co., Ltd. was established on December 15, 2014. Its registered office is located at No. A1-A4, Building 10, No. 333, North Section of Xihanggang Avenue, Dongsheng Street, Shuangliu District, Chengdu (self-declaration). The legal representative is Song Hongmei. The business scope includes licensed projects: various engineering construction activities (projects subject to approval in accordance with the law, business activities can only be carried out after the approval of the relevant departments, and the specific business projects are subject to the approval documents or licenses of the relevant departments) General projects: sales of building decoration materials ;Sales of building materials; Retail of hardware products; Retail of clothing and apparel; Retail of shoes and hats; And product sales (except for items that must be approved according to law, business activities are carried out independently according to the business license).


Hui Liu


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