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Химические вещества и материалы /  Химические вещества / 
Информация о производителе
Компания:
Qingdao Yunpeng Carbon Trade Co., Ltd.
 
Адрес:
North of Shenyang Road, Shuiji Street Office, Laixi, Shandong, China (Mainland) Zip: 266600
 
Телефон:
+86-532-87412318

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Product Name: Carbon/GraphiteModel Number: YPJ-111Place of Origin: ChinaThere are three processes that can be employed to manufacture carbon and graphitemachinery, including mechanical forming, press-shaping, and casting forming. Inthe category of mechanical forming, there are the permeable graphite and impregnatedimpermeable graphite; the press shaping can be separated into compressionmolding and extrusion forming; and the casting forming can be processed under atmospheric pressure and compression. Carbon and graphite have unique physical andchemical characteristics.The mechanical accessories that are made of carbon and graphite feature good thermal performance, small coefficient of linear expansion at (0.5-7) x 10-61/°C,high-temperature resistance, and good thermal conduction. The carbon or graphiteaccessory presents doubled mechanical strength under 2,500°C, and is respectivelytwo and fours times stronger in thermal conduction than steel and stainlesssteel. It shows stable chemical properties in most conditions expect for thestrong acids and corrosive alkalis, and will not be affected by oxidation of airat and below 400°C. The product density can reach to 1.98g/cm2,and the max compression strength is 200MPa. Low porosity, and the impermeablegraphite takes up to 0.7%. The electric resistance can be as low as 6μm. Furthermore,the carbon and graphite will be impermeable after being impregnated. Thatis the impermeable graphite. Different injections will generate different chemicaland physical properties. For example, carbon and graphite accessories thatare impregnated with PF resins are suitable to use under the conditions below 130°C,and compatible with most mediums expect the strong acid and corrosivealkalis; the carbon and graphite accessories that are impregnated with furan resincan be used under the conditions below 200°C, and able to resist the corrosionof slightly strong alkalis like sodium hydroxide; sodium-silicate impregnatedcarbon and graphite accessories has higher oxidation and temperature resistantcapability, whose normal operation temperature can reach to 400°C. And thePTFE impregnated accessories are able to resist the corrosion and oxidation bystrong acids, alkalis, and oxidants. Because of the disinfiltrating characteristic,this PTFE impregnated carbon and graphite becomes the best anti-corrosion lining.The graphite products including various graphite electrodes, carbon/graphite bearings,graphite bumps, graphite seals (piston ring, stator ring), vacuum bump blade,board of electric scooter, graphite dies, casting dies, metallurgical die andguide plate of high-energy fuel cell. It can be manufactured upon the drawingsprovided by or requirements by customers.Application scope:Permeable carbon and graphite are used to produce the chemical electrodes, boardsof electric scooter, electric die, metallurgical dies, guide rails, rolls, heater,graphite single crystal furnace, graphite crucible, precision-casting graphitemould for military use, and nozzle core of petrol drill head. The resin-impregnatedimpermeable graphite can be used in the chemical exchangers, anti-corrosiveequipments, pipelines, pump valve, oil pump, and anti-corrosion lining. The resin-metal-impregnated carbon is widely applied as the bearings to paper-making,lumbering, textiles, foods, pharmaceutics, and other grease-free locations. Metal-impregnated electro-graphite is used to make the piston rings of gas compressor,dosage pump, vacuum pump and blades of dispensing pump.Packing:Products are packed in wooden and iron case, if they are large; and carton, if theyare small
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Истиранию Доказательство из графита
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