Ho emisa ho tlotsa oli hore e se ke ea tsoa le lintho tse tsoang kantle ho naha hore li se ke tsa kena, sekoaelo sa annular se entsoeng ka karolo e le 'ngoe kapa ho feta se tlameletsoe ka lesale le le leng kapa se hlatsoang sa bere ebe se ikopanya le reng e' ngoe kapa washer, ho theha lekhalo le lenyenyane le tsejoang e le labyrinth. Mehele ea rabara e nang le sefapano se chitja e etsa lesale la ho tiisa. E tsejoa e le selikalikoe sa ho tiisa se bōpehileng joaloka O ka lebaka la karolo ea eona ea sefapano se sebopeho sa O.

1. Lesale la ho tiisa rabara ea NBR nitrile

Metsi, peterole, mafura a silicone, oli ea silicone, oli e tlotsang e thehiloeng ho diester, oli ea hydraulic e thehiloeng ho petroleum, le mecha e meng ea litaba kaofela e ka sebelisoa le eona. Hajoale, ke rabara e theko e tlase haholo ebile e sebelisoa hangata. Ha e khothalletsoe ho sebelisoa le lihlapolli tsa polar tse kang chloroform, nitrohydrocarbons, ketones, ozone, le MEK. Mocheso o tloaelehileng oa ho sebetsa ke -40 ho isa ho 120 ° C.

2. HNBR hydrogenated nitrile ho tiisa reng ea rabara

E na le khanyetso e ntle khahlanong le ozone, khanya ea letsatsi le boemo ba leholimo, 'me e hanyetsana haholo le ho bola, ho taboha le ho senyeha ha khatello. Ho tšoarella ho hoholo ha ho bapisoa le rabara ea nitrile. E loketse ho hloekisa lienjineri tsa koloi le lisebelisoa tse ling. Ha e khothalletsoe ho sebelisa sena ka litharollo tse nkhang hamonate, joala kapa li-esters. Mocheso o tloaelehileng oa ho sebetsa ke -40 ho isa ho 150 ° C.

3. Lesale la ho tiisa rabara ea silicone ea SIL

Ho hanyetsa mocheso, serame, ozone le botsofali ba sepakapaka ho na le eona. e na le litšobotsi tse ntle tsa insulating. Ha e hanyetsane le oli, 'me matla a eona a tsitsitseng a tlase ho feta a rabara e tloaelehileng. E loketse ho sebelisoa le licheso tsa metsi tsa motlakase, li-aene tsa motlakase, lionto tsa microwave, le lisebelisoa tse ling tsa ntlo. E boetse e loketse lintho tse fapa-fapaneng, liliba tse joalo tsa ho noa le li-kettles, tse kopanang le letlalo la motho. Ha e khothalletsoe ho sebelisa sodium hydroxide, oli, concentrated acids, kapa li-solvents tse ngata haholo. Mocheso oa mocheso bakeng sa ts'ebetso e tloaelehileng ke -55 ~ 250 ° C.

4. Lesale la tiiso ea rabara ea VITON ea fluorine

Boemo ba eona ba leholimo bo ikhethang, ozone, le khanyetso ea lik'hemik'hale li tsamaellana le khanyetso ea eona e phahameng ea mocheso; leha ho le joalo, khanyetso ea eona e batang e tlase. Bongata ba oli le li-solvents, haholo-holo li-acids, li-aliphatic le li-hydrocarbon tse nkhang hamonate, hammoho le oli ea meroho le ea liphoofolo, ha li e ame. E loketse lisebelisoa tsa mafura, lisebelisoa tsa lik'hemik'hale, le litlhoko tsa ho tiisa enjene ea disele. Ha ho khothalletsoe ho sebelisa li-ketones, li-ester tse boima ba limolek'hule tse tlase, le metsoako e nang le nitrate. -20 ho ea ho 250 ° C ke mocheso o tloaelehileng oa ho sebetsa.

5. Lesale la ho tiisa rabara la FLS fluorosilicone

Ts'ebetso ea eona e kopanya litšoaneleho tse ntle ka ho fetisisa tsa silicone le rabara ea fluorine. E boetse e hanyetsana haholo le lihlapolli, oli ea mafura, mocheso o phahameng le o tlase, le oli. e khona ho mamella khoholeho ea lik'hemik'hale tse kenyelletsang oksijene, lihlapolli tse nang le li-hydrocarbon tse nkhang hamonate, le metsoako e nang le chlorine. -50 ~ 200 °C ke mocheso o tloaelehileng oa ho sebetsa.

6. EPDM EPDM ho tiisa lesale la rabara

E hanana le metsi, ha e na lik'hemik'hale, ha e na ozone, 'me e hanela boemo ba leholimo. E sebetsa hantle bakeng sa lits'ebetso tsa ho koala tse kenyelletsang joala le li-ketone hammoho le mouoane oa metsi o nang le mocheso o phahameng. Mocheso o tloaelehileng oa ho sebetsa ke -55 ho isa ho 150 ° C.

7. Lesale la tiiso la CR neoprene

Haholo-holo e khona ho mamella boemo ba leholimo le khanya ea letsatsi. E hanana le li-acid tse hlapollotsoeng le mafura a silicone a mafura, 'me ha e tšabe lihatsetsi tse kang dichlorodifluoromethane le ammonia. Ka lehlakoreng le leng, e atoloha haholo ka oli ea diminerale e nang le lintlha tse tlase tsa aniline. Lithempereichara tse tlase li etsa hore kristale le ho thatafala ho be bonolo. E loketse mefuta e fapaneng ea maemo a sepakapaka, letsatsi, le ozone hammoho le letoto la likhokahano tsa ho tiisa lik'hemik'hale le lelakabe. Sebelisa ka li-acid tse matla, nitrohydrocarbons, ester, metsoako ea ketone, le chloroform ha e eletsoa. Mocheso o tloaelehileng oa ho sebetsa ke -55 ho isa ho 120 ° C.

8. IIR butyl ho tiisa reng ea rabara

E sebetsa hantle haholo mabapi le ho tiea ha moea, ho hanyetsa mocheso, ho hanyetsa UV, ho hanyetsa ozone, le ho pata; Ho feta moo, e khona ho mamella ho pepeseha ha lintho tse oxidizable le oli ea liphoofolo le ea meroho 'me e na le khanyetso e ntle ho li-solvents tsa polar tse kenyelletsang joala, ketone le ester. E loketse lisebelisoa tsa vacuum kapa lik'hemik'hale tse hanyetsanang le lik'hemik'hale. Ha e khothalletsoe ho e sebelisa ka parafine, li-hydrocarbon tse nkhang hamonate, kapa litlhare tsa petroleum. -50 ho ea ho 110 °C ke mocheso o tloaelehileng oa ho sebetsa.

9. ACM acrylic rabara ho tiisa lesale

Ho hanyetsa ha eona boemo ba leholimo, ho hanyetsa oli, le sekhahla sa compression deformation kaofela li batla li le ka tlase ho karolelano, leha ho le joalo matla a eona a mochini, ho hanyetsa metsi, le ho hanyetsa mocheso o phahameng kaofela li ntle haholo. Ka tloaelo e fumanoa tsamaisong ea matla le li-gearbox tsa likoloi. Ha e khothalletsoe ho sebelisoa ka brake fluid, metsi a chesang kapa phosphate esters. Mocheso o tloaelehileng oa ho sebetsa ke -25 ho isa ho 170 ° C.

10. Lesale la ho tiisa rabara ea tlhaho ea NR

Thepa ea rabara e matla khahlanong le ho taboha, ho lelefatsa, ho senyeha le ho otloloha. Leha ho le joalo, e tsofala ka potlako moeeng, e khomarela ha e futhumala, e atoloha habonolo, e qhibiliha ka oli ea diminerale kapa peterole, 'me e mamella acid e bonolo empa e se alkali e matla. E loketse tšebeliso ea lino tse nang le li-ion tsa hydroxyl, ethanol joalo le mokelikeli oa brake oa koloi. -20 ho ea ho 100 °C ke mocheso o tloaelehileng oa ho sebetsa.

11. Lesale la ho tiisa rabara ea PU polyurethane

Rabara ea polyurethane e na le litšobotsi tse ntle tsa mochini; e feta liraba tse ling mabapi le ho hanyetsa ho apara le ho hanyetsa khatello e phahameng. Ho hanyetsa ha eona botsofaling, ozone, le oli ka ho tšoanang ke ho babatsehang; empa, ka mocheso o phahameng, e ka hlaseloa habonolo ke hydrolysis. Hangata e sebelisoa bakeng sa ho tiisa likhokahano tse ka mamellang ho roala le khatello e phahameng. Mocheso o tloaelehileng oa ho sebetsa ke -45 ho isa ho 90 °C.