Zingaki izinhlobo ze-silicone yegwebu ezikhona? (Hlukanisa ngokwezinto eziyisisekelo)

Aug 09, 2025 Shiya umlayezo

Irabha yegwebu le-Silicone, ngenxa yesakhiwo sayo esixekethile, i-porosity ephezulu, ukuminyana okuphansi nokusebenza okuhle kakhulu kokumuncwa kwamagagasi, isetshenziswa kabanzi emikhakheni efana ne-electronics, ukukhiqizwa kwezimboni, i-aerospace kanye nokwakhiwa.

 

Irabha ye-silicone enegwebu iza ngezinhlobo ezahlukene, ngayinye inezici ezihlukile kanye nezimo zohlelo lokusebenza.

 

Hlukanisa ngezinto eziyisisekelo:

Irabha yemvelo (NR)inokunwebeka okuhle kakhulu, amandla aqinile kanye nokumelana nokugqokwa, futhi ivame ukusetshenziselwa ukumunca ukushaqeka kanye nama-elastic gaskets.

 

Irabha ye-Nitrile butadiene (NBR)iyakwazi ukumelana nowoyela-futhi iyawohloka{1}}, futhi ifanele ukuvalwa nokuvikelwa ezindaweni zikawoyela negesi.

 

I-Ethylene Propylene diene monomer (EPDM)ayizwani nesimo sezulu-iyamelana nokuguga{1}}iyakwazi ukumelana ne-ozone{2}}futhi isetshenziswa kakhulu ekuvaleni nasekwakheni izimoto zangaphandle.

 

I-Silicone (VMQ)imelana kumazinga okushisa aphezulu naphansi ({2}}70℃to 300℃) futhi isetshenziswa ezidingweni zokusebenza okuphezulu kwezimboni ze-aerospace neze-electronics.

 

I-Fluororubber (FKM)imelana nokugqwala kwamakhemikhali namazinga okushisa aphezulu, okuyenza ifanelekele ukuvalwa ezindaweni eziyingozi kakhulu.

 

Irabha ye-polyurethane (PU)inokuqina okuphezulu nokumelana nokugqoka, futhi ivame ukusetshenziswa njengempahla yokumisa.