High quality PE pipe as the most suitable water supply pipe materials

High quality PE pipe as the most suitable water supply pipe materials

Plastic pipe in our country develops very fast, the quality is improving. At present, has been initially formed to polyvinyl chloride (PVC -u) pipe, polyethylene (PE) and polypropylene (pp-r) pipe plastic pipe industry. Including polyethylene (PE) pipe due to its unique advantages is widely used in building water supply, drainage, construction of buried pipes, building heating, pipelines, electrical and telecommunications protection tube for casing, pipe used in industry, agriculture, etc. Its main application in the urban water supply, urban gas supply and farmland irrigation.

Lives in yucheng ShaJi Mr Zhang says, ShaJi water plant to build, and let the masses to use clean and convenient tap water. The good news was welcomed by the masses, the installation is also very enthusiastically. But because the rumors pipe quality has a problem, make a lot of mass and suspicious, even give up the installation plan.

"Is the main tap water pipe, the installation we found the water pipe is black, instead of the white line." Mr Zhang says, then some people say that black pipe is not up to standard, has been eliminated, now use national standard pipe are white.

In order to understand the matter, the reporter interviewed yucheng county water authority. A staff of the name, according to the bureau office ShaJi currently used in water construction is black PE pipes, is a national standard pipe, sanitation, etc full compliance with the requirements of the drinking water pipe.

"ShaJi tap water pipe in the design, it is the PE pipe, the pipe flexibility is good, still very heat resistant, not easy to vehicles, such as rolling damage." The bureau office workers that ShaJi in construction of tap water in both main residents of pipes in the home, are chosen PE pipe, its color is black indeed, but all of them are conform to the hygienic requirements of gb pipe material, "the price of high quality PE pipe is no better than white PPR pipe cheap".

The reporter understands, PE is polyethylene plastic, the most basic kind of plastic, such as plastic bags, plastic wrap is PE, HDPE is a kind of high crystallinity, nonpolar thermoplastic resin. Square one HDPE appearance has milk-white, in a small cross section in a certain degree of translucent. PE has excellent characteristics of life and industrial chemicals. Water supply pipe is one of the traditional steel pipe of a PE, the replacement of the polyvinyl chloride (PVC) drinking water pipe.

Feed pipe must absorb a certain amount of pressure, usually to choose large molecular weight, good mechanical properties of PE resin, such as HDPE resin. LDPE resin of low tensile strength, compression is poor, poor rigidity, dimensional stability is poor, when forming and connection problems, is not suitable as the pressure in the feed water pipe material. But due to its high health indicators, especially PE HDPE resin has become in the production of drinking water pipe commonly used materials. HDPE melt viscosity of the resin is small, good liquidity, easy processing, so the choice of the melt index range is wide.

Nanometer antibacterial PE pipe is added in the pipe lining plastic nanoscale bacteria masterbatch, by a total of extrusion has antibacterial, self-cleaning health role of pipes. Mainly used in urban water supply pipe network, irrigation water diversion project and the agriculture irrigation engineering. Due to pipe connection using hot melt, fused connection mode, to realize the integration of the interface and pipe, and can effectively resist the internal pressure of the impact of stress and axial stress. And don't add heavy metal salt stabilizers in the process of production, material non-toxic, scaling, bacterium, to avoid the secondary pollution of drinking water.