| Study on Properties of Different Brands of Low Temperature Resistant Fluororubber |
| Received:June 21, 2021 Revised:June 21, 2021 |
| DOI：10.12136/j.issn.1000-890X.2022.08.0586 |
| Key Words: fluororubber；microstructure；thermal stability；low temperature resistance |
| Author Name | Affiliation | E-mail | | PANG Jianguang* | Xi’an Aerospace Propulsion Institute | 1710370807@qq.com | | YIN Hao | Qingdao University of Science and Technology | | | LI Dan | Xi’an Aerospace Propulsion Institute | |
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| Abstract: |
| The microstructure of 4 brands（CG-FLT，VitonTM GLT-600S，Tecnoflon? PL855 and Tecnoflon? VPL85540） of low temperature resistant fluororubber（FKM）and their compound properties were analyzed.The results showed that CG-FLT，GLT-600S and PL855 were all metafluoroethers FKM with similar structures，and VPL85540 contained perfluoromethoxy methylene vinyl ether besides.The thermal stability of 4 brands of FKM from high to low was VPL85540，GLT-600S，PL855，CG-FLT.The molecular weight of 4 brands of FKM from large to small was PL855，VPL85540，GLT-600S，CG-FLT.VPL85540 and its compound had the best low temperature resistance. |
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