Chemical Properties of PTFE
2022-08-05 15:35:20
PTFE hose has the characteristics of acid and alkali resistance and resistance to various organic solvents. It is almost insoluble in all solvents and can protect parts from being corroded by any chemicals; PTFE hose has excellent non-flammability, and the oxygen limit index is 90. Below, the incineration grade is V-0... It solves the disadvantage that the steel-lined PTFE pipes and fittings cannot be used under negative pressure in the past, and has been widely used in many high-temperature and high-negative pressure systems such as distillation.
The super wear-resistant sandblasting pipe jointly developed by Litong and Qingdao University adopts the latest polymer materials, which solves the problems of easy wear, loss resistance and aging of the rubber tube. It can be used under harsh conditions, and its wear resistance is several times higher than that of ordinary concrete conveying pipes in practical applications. Ultra-high molecular weight polyethylene and UPE are more resistant to high saturation in wear resistance and acid and alkali resistance. , more reliable.
The integrity of the hose can tell if a hose needs to be replaced: one way to identify a hose is to squeeze it. The sandblasting hose should be squeezed every 20 cm in length, a suitable hose is difficult to squeeze, if the hose is pressed down when squeezed, it indicates that the inner wall is corroded due to the flow of abrasive and should be replaced. If only one spot is dented, and it's near one of the ends, you can cut off the worn part and attach the fitting to the end.
Petrochemical hose LT401L PTFE low pressure multifunctional industrial hose is widely used in chemical industry, steel construction, food and medicine industry and other fields. This product is suitable for high temperature working environment of 220 degrees Celsius. Strong corrosion resistance and fluidity, the reinforcing layer is reinforced with synthetic fibers and spiral steel wires, and the outer layer is made of EPDM rubber, which has excellent aging resistance and chemical resistance.
Nowadays, the amount of oil exploitation is in short supply, and it is necessary to use high-quality and wear-resistant oil hoses; Litong Technology, with its self-developed high-end scientific and technological achievements - LT301F super wear-resistant hydraulic & acid fracturing hose, has become the focus of the exhibition. The oil drilling equipment hose manufacturer. LT301F has become one of the few ultra-high pressure acidizing fracturing hoses specially developed for the efficient and safe exploitation of deep oil and gas resources in the world. Concrete conveying hose is used for concrete conveying in construction machinery, such as concrete conveying hose, pump truck, mortar sprayer and other construction machinery, its super wear-resistant performance makes its service life several times longer than ordinary concrete conveying pipes . This product protects against acids in concrete.
The pipe body is made of UPE and SBR & NR synthetic rubber. The UPE material of the ordinary pipe adopts the domestic average molecular weight, and the UPE material used for the pipe body is imported from Germany, and the molecular density is about 5 million higher than the molecular weight of the domestic UPE material. Therefore, it has great chemical stability and ultra-high wear resistance.
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