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| Update Time：2010.09.25 Views： | |||
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PP-R (Poly Propylene Random) or random copolymer polypropylene, commonly used in today's developed a new type of pipe material, it is used in hot and cold water supply project in homogeneous welding technology, comprehensive technical performance and economic indicators are far superior to other similar products, in particular its performance excellence in health, from production to use to the whole process of waste recycling can achieve very high health and environmental protection requirements. Products are heat, pressure, thermal insulation, long life and economic advantages, will gradually replace the existing water mains and other classes to become leading products. Water is an indispensable part of life in ingredients, while the water contains many different types of chemicals, minerals and impurities, and metal wall will have exposure to the chemical reaction, so that there wall caused by oxidation and loss of secondary pollution. The PP-R pipe materials is the use of environmentally friendly recyclable polypropylene material to strengthen, it will not release heavy metals or other substances injurious to health; wall without fouling, hygienic and health standards, PP-R pipe is most suitable for drinking water and food, health and environmental water industry. Features: Non-toxic, no rust, never scaling, does not breed bacteria, flow speed. Using homogeneous melt connection, pipe, tube completely melt into one, really put an end to the run, run, drip, leak. Thermal energy: thermal conductivity is only one-eighth of the metal tube, pipe insulation for hot water energy with excellent results. Reported if the water temperature 50 ° C, 2 hours per day, annual gas savings of 400 yuan. Light weight, high strength: weight is only one-eighth of the metal tube, resistant to pressure test strength of more than 5MPA, toughness, impact resistance. Products inside and outside wall smooth, flowing water resistance, low noise. Heat capacity of high: low thermal conductivity, can withstand hot water and high pressure, in the provision of long-term continuous working pressure, water can be piped to a 95 ° C. Products of high flexibility, not afraid of cold temperatures, very acceptable expansion. Beautiful appearance, delicate process. Long life: So far, PP-R pipe is the longest service life of the pipe. Recyclability: the production, construction, use the process without any pollution to the environment, is the green environmental protection product. Scope Hot and cold water piping systems - residential areas, hospitals, schools, food plants, indoor water and tap water pipeline installation. Clean water, pure water pipe. Hot water circulation system. Beverage delivery systems. Used for treatment of industrial and agricultural production pipeline. Recognition Production of PP-R pipe qualified raw materials and extrusion equipment must have strict requirements. PP can produce hot and cold water pipes, there are three special ingredients: 1, adding a certain amount of homopolymer PP toughening additive made by mixing granulation, this material termed PP-H. 2, the use of PP and PE block copolymer, this material termed PP-B. 3, the use of advanced technology gas copolymer, PE in the molecular chain of PP random, uniformly aggregated, this material termed PP-R. For the production of PP-R plastic pipe extruder screw barrel to use sophisticated computer models to determine the precise calculation of the pressure distribution of the paragraphs, melting rate, it has good low temperature plasticizing capacity. Ordinary single-screw extruder can not be used to produce PP-R pipe. Currently on the market 70-80% of PP-R pipes are not real PP-R pipe. To help shape and feel of the user from the initial identification of the authenticity of PP-R pipes and fittings. Refer to the following identification: (1) Product Name: PP-R product name should be "hot and cold water pipes with a polypropylene or" PP-R cold and hot water pipe "where the ultra-fine particles labeled polypropylene tube (PP-R) or PP-R cold water pipe, PP-R hot water pipes, PP-E tubes, etc., are the informal name of the pseudo-PP-R pipe. (2) Product testing unit is a non-professional units, test items content and PP-R pipe does not match the criteria listed in the content, products, departments or product promotion department recommended on the product standard PP-R PP-R do not know or no standards for the department The certificates are issued by the pseudo-PP-R. (3) the density of pseudo-PP-R PP-R slightly larger than that. (4) PP-R pipe is white or other colors matt matt, pseudo-PP-R pipe or color bright and shiny bright. (5) PP-R pipe completely opaque, pseudo-PP-R pipe slightly translucent or semi-translucent. (6) PP-R pipe soft touch, pseudo-PP-R pipe, smooth feel. (7) PP-R pipe landing sound more boring, pseudo-PP-R pipe landing sound more crisp. PP-R pipe really should meet the standard ISO / DIS 15874.2-1999 <<Plastics piping systems for hot and cold water - PP second part of the pipe>> tube should meet the standard ISO / DIS 15874.2-1999 <<hot and cold water Plastics piping systems - PP III in charge of parts>>; pseudo-PP-R pipes and fittings of the property is not through the above criteria. Should be noted that pseudo-life of PP-R pipe is only 1-5 years, while the real life of PP-R pipes are more than 50 years. |
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