Kugira ngo amavuta atwikiriwe n'ibicuruzwa biva mu mazi bihagarike kuva mu mazi no kwinjira mu bintu biva mu mazi, igipfukisho cy'inyuma gikozwe mu gice kimwe cyangwa byinshi gihambirwa ku mpeta imwe cyangwa ku gikoresho cyo kumesa imyenda hanyuma kigafata indi mpeta cyangwa ku gikoresho cyo kumesa imyenda, bigatuma habaho icyuho gito kizwi nka labyrinth. Impeta za rubber zifite igice cy'uruziga zigize impeta yo kumisha. Izwi nka impeta yo kumisha ifite ishusho ya O kubera igice cyayo cy'inyuma gifite ishusho ya O.

1. Impeta yo gufunga ya nitrile ya NBR

Amazi, lisansi, amavuta ya silikoni, amavuta ya silikoni, amavuta yo kwisiga ashingiye kuri diester, amavuta ya hydraulic ashingiye kuri peteroli, n'ibindi bikoresho byose bishobora gukoreshwa hamwe nayo. Ubu, ni yo ipfundikiye ihendutse kandi ikoreshwa cyane. Ntibyemewe gukoreshwa hamwe n'ibintu bisukura ikirere nka chloroform, nitrohydrocarbons, ketones, ozone, na MEK. Ubushyuhe busanzwe bwo gukoreshwa ni -40 kugeza 120 °C.

2. Impeta yo gufunga ya HNBR hidrojeni ya nitrile

Ifite ubushobozi bwo kurwanya ozone, izuba, n'ikirere, kandi irwanya cyane ingese, gucika kw'izuba no gucika kw'ingufu. Iraramba cyane ugereranije na nitrile rubber. Ni nziza cyane mu gusukura moteri z'imodoka n'ibindi bikoresho. Ntibikwiye gukoreshwa hamwe n'ibinyabutabire bihumura neza, alkoholi, cyangwa esters. Ubushyuhe busanzwe bwo gukoreshwa ni -40 kugeza 150 °C.

3. Impeta yo gufunga ya silikoni ya SIL

Irwanya ubushyuhe, ubukonje, ozone, no gusaza mu kirere cyane. Ifite ubushobozi bwiza bwo kwirinda ubushyuhe. Ntirwanya amavuta, kandi imbaraga zayo zo gukurura ni nkeya ugereranyije n'iza kabutike isanzwe. Ni nziza cyane gukoreshwa hamwe n'ibikoresho bishyushya amazi bikoresha amashanyarazi, ibyuma bikoresha amashanyarazi, amafuru ya mikoroonde, n'ibindi bikoresho byo mu rugo. Irakwiriye kandi ku bintu bitandukanye, nk'amasoko yo kunywa n'amasafuriya, bihura n'uruhu rw'umuntu. Ntibikwiye gukoresha sodiyumu hidroksidi, amavuta, aside ivanze, cyangwa ibindi bintu byinshi bivanze. Ubushyuhe busanzwe ni -55 ~ 250 °C.

4. Impeta yo gufunga ya VITON fluorine rubber

Ihindagurika ryayo ry’ikirere, ozone, n’imiti bihura n’ihangana ryayo ry’ubushyuhe bwinshi; icyakora, ihangana ryayo ry’ubukonje ni rito cyane. Amavuta menshi n’ibintu biyungurura, cyane cyane aside, alifatique na hydrocarbones zihumura neza, kimwe n’amavuta y’ibimera n’inyamaswa, ntabwo bigira ingaruka kuri yo. Ni byiza cyane ku buryo bwa lisansi, ibikoresho bya shimi, no gufunga moteri za mazutu. Ntibyemewe gukoresha hamwe na ketones, esters nke z’uburemere, n’ibivanze birimo nitrates. -20 kugeza 250 °C ni cyo gipimo gisanzwe cy’ubushyuhe.

5. Impeta yo gufunga ya FLS fluorosilicone

Imikorere yayo ihuza imiterere myiza ya silicone na fluorine rubber. Irwanya cyane ibintu bisukura, amavuta ya lisansi, ubushyuhe bwinshi n'ubuke, hamwe n'amavuta. Ishobora kwihanganira kwangirika kw'ibinyabutabire birimo ogisijeni, ibintu bisukura birimo hydrocarbons zihumura neza, n'ibintu bisukura birimo chlorine. -50~ 200 °C ni cyo gipimo cy'ubushyuhe gisanzwe gikoreshwa.

6. Impeta yo gufunga EPDM EPDM ya rubber

Irwanya amazi, irwanya imiti, irwanya ozone, kandi irwanya ikirere. Ikora neza mu gufunga ikoreshwa ry’ibinyobwa birimo alcool na ketone ndetse n’umwuka w’amazi ushyushye cyane. Ubushyuhe busanzwe bwo gukoreshwa ni -55 kugeza 150 °C.

7. Impeta yo gufunga ya CR neoprene

Irahangana cyane n'ikirere n'izuba. Irwanya aside yakuwemo n'amavuta ya silikoni, kandi ntitinya ibintu bikonjesha nka dichlorodifluoromethane na ammonia. Ku rundi ruhande, ikwirakwira cyane mu mavuta y'ubutare afite ingingo nke za aniline. Ubushyuhe buke butuma crystallization no gukomera byoroha. Ikwiriye ahantu hatandukanye mu kirere, imirasire y'izuba, na ozone ndetse no mu buryo butandukanye bwo gufunga imiti n'umuriro. Ikoreshwa hamwe na aside ikomeye, nitrohydrocarbons, esters, ketone compounds, na chloroform ntibyemewe. Ubushyuhe busanzwe bwo gukoreshwa ni -55 kugeza 120 °C.

8. Impeta yo gufunga ya IIR butyl rubber

Ikora neza cyane mu bijyanye no gukomera k'umwuka, kwihanganira ubushyuhe, kurwanya imirasire ya UV, kurwanya ozone, no gukingira; byongeye kandi, ishobora kwihanganira ibintu bishobora gukururwa n'amavuta y'inyamaswa n'ibimera kandi irwanya neza ibintu bisukura birimo alcool, ketones, na esters. Ikwiriye ibikoresho birwanya isuku cyangwa imiti. Ntibikwiye kuyikoresha hamwe na peteroli, hydrocarbons zihumura neza, cyangwa lisansi. -50 kugeza 110 °C ni cyo gipimo gisanzwe cy'ubushyuhe.

9. Impeta yo gufunga ya ACM acrylic rubber

Ubudahangarwa bwayo n'ikirere, kudahangarwa n'amavuta, ndetse n'umuvuduko wayo wo guhindagurika kw'ikirere byose biri munsi gato y'ikigereranyo, icyakora imbaraga zayo za mekanike, kudahangarwa n'amazi, ndetse no kudahangarwa n'ubushyuhe bwinshi byose ni byiza cyane. Ikunze kuboneka mu buryo bw'ingufu zo kuyobora imodoka no mu masanduku y'imodoka. Ntibyemewe gukoreshwa hamwe n'amazi ya feri, amazi ashyushye, cyangwa fosifeti. Ubushyuhe busanzwe bwo gukoreshwa ni -25 kugeza 170 °C.

10. Impeta yo gufunga rubber karemano ya NR

Ibikoresho bya rubber birakomeye ntibicika, ngo bibe birebire, bishire, kandi ntibigire ubushyuhe. Ariko, birasaza vuba mu kirere, bigumana iyo bishyushye, bikura vuba, bishonga mu mavuta ya mineral cyangwa lisansi, kandi bihangana na aside yoroshye ariko ntabwo ari alkali ikomeye. Bikwiriye gukoreshwa mu bintu birimo iyoni za hydroxyl, nka ethanol na feri y'imodoka. -20 kugeza 100 °C ni cyo gipimo gisanzwe cy'ubushyuhe.

11. Impeta yo gufunga ya PU polyurethane rubber

Rubber ya polyurethane ifite imiterere myiza cyane ya mekanike; irusha izindi rubber mu bijyanye no kudasaza no kudasaza. Irwanya gusaza, ozone, n'amavuta nayo ni meza cyane; ariko, iyo ubushyuhe bwinshi, ishobora kwangirika. Ikunze gukoreshwa mu gufunga imiyoboro ishobora kwihanganira kwasaza no kudasaza. Ubushyuhe busanzwe bwo gukoreshwa ni -45 kugeza 90 °C.