UHMWPE (UHMW-PE in English stands for ultra-high molecular weight polyethylene pipe) is ethylene, butadiene monomer in the catalyst, the polymerization average molecular weight greater than 150 million engineering thermoplastics.
Excellent overall performance of the material, wear resistance, low temperature, corrosion resistance, self lubrication, shock resistance in the highest value for all plastic, wear resistance than PTFE, nylon, steel and other materials, can be long - 169 to +80 ℃ to work under conditions, known as the "amazing" engineering plastics, high molecular weight polyethylene plastic (UHMW --- PE) pipe technology in China is maturing more and more projects using This pipeline has become a new type of affordable high performance engineering thermoplastics, which focused almost entirely on the merits of various plastics, impact resistant, self lubricating, corrosion resistant, health non-toxic, non-adhesive, non- water absorption ability, it is an ideal pipe, can be widely used in mining (ore, pulp, tailings discharge pipe) metallurgy, electric power, petroleum, textile, paper, food, chemical, mechanical, electrical and other industries.
Features:
1, high wear resistance of UHMWPE minimum coefficient of friction, combined with ultra-high molecular chain of a particularly long, so the wear resistance of ultra high molecular weight polyethylene pipe when the ratio of paste in the delivery of various steel pipes, stainless steel pipe 4-7 times higher. Beijing Metallurgical Design Research Institute "into the plastic tube wear test report" pointed out: the following four channels of different materials, in the same diameter, flow rate, test materials, the concentration of test under the conditions, the results are as follows: glass fiber reinforced polymer average annual wear acrylic tube thickness 11. 5424mm / year; engineering grade polypropylene tube (PP) 13. 5828mm / year; high molecular weight polyethylene pipe (UHMW-PE) 5. 0104mm / year; steel (A3) 36. 2424mm / year; test The results show that ultra-high molecular weight polyethylene (UHMW-PE) wear resistance of steel pipe (A3) of seven times.
2. Super high tensile strength and impact resistance of UHMWPE PE80 pipeline is 2. 5 times the tensile strength, PEl00 2 times, while its resistance to environmental stress cracking capacity is 1 P cited 00 times more, fatigue resistance is PEl00 30 times. Therefore, UHMWPE bearing capacity of the pipeline capacity and resistance to environmental damage is far more than ordinary polyethylene pipe. UHMWPE impact and absorb impact energy ranks first in plastic, both strong external shock, or internal pressure fluctuations are difficult to crack. The impact strength of nylon 66 of 10 times, 20 times polyvinyl chloride, polyethylene of four times. Especially in the low-temperature environment, but to a higher value of impact strength. UHMWPE flexibility for the transportation system that provides a safe and reliable protection.
3, UHMWPE pipe corrosion resistance with excellent chemical resistance, in addition to strong oxidizing acid, the concentration in a certain range of temperature and the capability of various corrosive media (acid, alkali, salt) and organic media (except for naphthalene solvent ), which at 20 ℃ and 80 ℃ for 80 kinds of organic solvent impregnated 30d, look no anomaly, and other physical properties are almost unchanged
4, does not scale self-lubricating UHMW polyethylene and non-adhesion , the minimum coefficient of friction. Special process of production of pipe wall corrosion, wear, do not scale, so the flow resistance is small, the long term to maintain the flow rate and flow unabated. Reduce its diameter tube design than 15. 4%. This feature of the power plant system for fly ash of great significance. Crude oil, mud, etc. are also very applicable pipeline.
5, liquid high molecular weight polyethylene pipes are self-lubricating and non-adhesion, low coefficient of friction. Special process of production of pipe wall corrosion, wear, do not scale, so the flow resistance is small, the long term to maintain the flow rate and flow unabated. So the design of its internal diameter than steel is decreased by 1 5% -20%.
6, low temperature resistance to low temperature performance, its impact resistance, wear resistance at minus 269 degrees Celsius when the basically unchanged. Is the only near absolute zero temperature as a work of engineering plastics. Meanwhile, the optimum temperature of the product width, long at -269 ℃ to 80 ℃ temperature work.
7, flame retardant fire environment for special industries, adding flame retardant modification, special machining process, to overcome the high molecular weight polyethylene itself combustible, flame retardant properties.
8, mute and super high molecular weight polyethylene plastics impact energy absorption for the highest value, silencer is good, so in the course of transmission reduces the maximum liquid flow noise.
9. Health, non-toxic, non-mildew, do not breed bacteria, health targets set in line with national standards, be exposed to food and medicines. ;
10. Light weight, easy to install pipeline unit tube length accounts for only one-sixth the weight of steel to make loading and unloading, transportation, installation more convenient.
This product is flexible, can adapt to a variety of geological conditions, can be laid directly bending; with flange connection, without liner, connecting reliable, fast and convenient, no corrosion, saving labor and time, give full expression to use ultra-high molecular weight polyethylene ethylene pipeline "energy saving, environmental protection, economy, efficiency" advantage.