Iji kwụsị mmanu mmanu ka ọ ghara ịpụta na ihe ndị si mba ọzọ ịbanye na ya, a na-etinye mkpuchi anular nke otu ma ọ bụ karịa ihe ndị dị n'otu mgbanaka ma ọ bụ ihe nkedo nke bearing na kọntaktị ọzọ mgbanaka ma ọ bụ washer ọzọ, na-emepụta obere oghere a maara dị ka labyrinth. Mgbanaka rọba nwere akụkụ obe okirikiri mebere mgbanaka akara. A maara ya dị ka mgbanaka akara akara nke O n'ihi akụkụ obe nwere ụdị O.

1. NBR nitrile roba akara mgbanaka

Enwere ike iji mmiri, mmanụ ụgbọala, griiz silicone, mmanụ silicone, mmanụ lubricating nke sitere na diester, mmanụ hydraulic mmanụ, na mgbasa ozi ndị ọzọ nwere ike iji ya. Ugbu a, ọ bụ akara rọba kacha dị ọnụ ala yana nke a na-ejikarị eme ihe. A naghị atụ aro ka iji ihe mgbaze pola dị ka chloroform, nitrohydrocarbons, ketones, ozone, na MEK. Ọkọlọtọ okpomọkụ nso maka ọrụ bụ -40 ka 120 Celsius C.

2. HNBR hydrogenated nitrile roba akara mgbanaka

Ọ nwere ezigbo nguzogide ozone, anwụ na ihu igwe, ọ na-eguzogidekwa corrosion, rips, na nrụrụ mkpakọ. Ogologo ogologo oge ka ukwuu ma e jiri ya tụnyere rọba nitrile. Ezigbo maka ihicha engines ụgbọ ala na ngwa ndị ọzọ. A naghị atụ aro ka iji nke a na ngwọta aromatic, alcohols, ma ọ bụ esters. Ọkọlọtọ okpomọkụ nso maka ọrụ bụ -40 ka 150 Celsius C.

3. SIL silicone roba akara mgbanaka

Ọ bụ ya nwere nguzogide oke okpomọkụ, oyi, ozone, na ikuku ikuku. nwere ezigbo mkpuchi mkpuchi. Ọ naghị eguzogide mmanụ, ike nkwụsị ya dịkwa ala karịa nke rọba mgbe niile. Ọ dị mma maka iji igwe ọkụ eletrik, igwe eletrik, oven microwave, na akụrụngwa ụlọ ndị ọzọ. Ọ dịkwa mma maka ihe dị iche iche, dị ka ebe a na-aṅụ ihe ọṅụṅụ na kettles, na-abanye na akpụkpọ ahụ mmadụ. A naghị atụ aro ka ị were sodium hydroxide, mmanụ, acid gbanyere mkpọrọgwụ, ma ọ bụ ihe mgbaze kachasị. Ọnọdụ okpomọkụ maka ọrụ nkịtị bụ -55 ~ 250 Celsius.

4. VITON fluorine roba akara mgbanaka

Ọnọdụ ihu igwe ya pụrụiche, ozone, na nguzogide kemịkalụ dabara na nguzogide ya dị elu dị elu; ka o sina dị, nguzogide oyi ya bụ subpar. Ọtụtụ mmanụ na ihe mgbaze, karịsịa acids, aliphatic na aromatic hydrocarbons, yana akwụkwọ nri na mmanụ anụmanụ, anaghị emetụta ya. Kwesịrị ekwesị maka sistemu mmanụ ọkụ, akụrụngwa kemịkalụ, yana ihe mkpuchi mmanụ dizel chọrọ. A naghị atụ aro iji ketones, esters dị arọ molekụla dị ala, yana ngwakọta nwere nitrates. -20 ruo 250 Celsius C bụ ụdị okpomọkụ na-arụ ọrụ.

5. FLS fluorosilicon roba akara mgbanaka

Ọrụ ya na-ejikọta àgwà kacha mma nke silicone na fluorine roba. Ọ na-eguzogidekwa ihe mgbaze, mmanụ mmanụ, elu na obere okpomọkụ, na mmanụ. ike iguzogide mbibi nke kemịkalụ gụnyere oxygen, ihe mgbaze nwere hydrocarbons aromatic, na ihe mgbaze nwere chlorine. -50 ~ 200 Celsius C bụ ụdị okpomọkụ na-arụ ọrụ.

6. EPDM EPDM roba akara mgbanaka

Ọ na-eguzogide mmiri, kemịkalụ na-eguzogide, ozone na-eguzogide, na ihu igwe na-eguzogide. Ọ na-arụ ọrụ nke ọma maka akara ngwa ndị metụtara mmanya na ketones yana vepo mmiri na-ekpo ọkụ. Ọkọlọtọ okpomọkụ nso maka ọrụ bụ -55 ka 150 Celsius.

7. CR neoprene akara mgbanaka

Ọ na-anabatakarị ihu igwe na ìhè anyanwụ. Ọ na-eguzogide ọgwụ ndị diluted acid na silicone griiz lubricants, ọ dịghịkwa atụ egwu refrigerants dị ka dichlorodifluoromethane na amonia. N'aka nke ọzọ, ọ budata gbasaa na ịnweta mmanụ na ala aniline isi. Obere okpomọkụ na-eme ka kristal na-eme ka ike sie ike. Ọ dabara adaba maka ọnọdụ ikuku, anyanwụ, na ozone ekpughere yana maka njikọ dị iche iche nke kemịkalụ na ọkụ na-eguzogide ọkụ. A naghị atụ aro iji acids siri ike, nitrohydrocarbons, esters, ogige ketone na chloroform. Ọkọlọtọ okpomọkụ nso maka ọrụ bụ -55 ka 120 Celsius C.

8. IIR butyl roba akara mgbanaka

Ọ na-arụ ọrụ nke ọma n'ihe gbasara njigide ikuku, nguzogide okpomọkụ, nguzogide UV, nguzogide ozone, na mkpuchi; Ọzọkwa, ọ nwere ike iguzogide ikpughe ihe ndị nwere ike oxidizable na mmanụ anụmanụ na akwụkwọ nri ma nwee ezigbo nguzogide polar ihe mgbaze gụnyere alcohols, ketones, na esters. Kwesịrị ekwesị maka ikuku ma ọ bụ akụrụngwa na-eguzogide ọgwụ. A naghị atụ aro iji kerosene, aromatic hydrocarbons, ma ọ bụ ihe mgbaze mmanụ ala. -50 ruo 110 Celsius C bụ ụdị okpomọkụ na-arụ ọrụ.

9. ACM acrylic roba akara mgbanaka

Mgbochi ihu igwe ya, nguzogide mmanụ, na nrụrụ mkpakọ niile dị n'okpuru nkezi, n'agbanyeghị ike ọrụ ya, nguzogide mmiri, na nguzogide okpomọkụ dị elu niile dị mma. A na-ahụkarị ya n'usoro ịkwọ ụgbọ ala na igbe igbe. A naghị atụ aro ka iji mmiri breeki, mmiri ọkụ ma ọ bụ phosphate esters mee ihe. Ọkọlọtọ okpomọkụ nso maka ọrụ bụ -25 ka 170 Celsius C.

10. NR eke roba akara mgbanaka

Ngwongwo rọba siri ike megide ịdọka, elongation, eyi, na ngbanwe. Otú ọ dị, ọ na-eto ngwa ngwa na ikuku, na-arapara mgbe ọ na-ekpo ọkụ, gbasaa ngwa ngwa, gbazee na mmanụ ịnweta mmanụ ma ọ bụ mmanụ ụgbọala, ma na-eguzogide acid dị nro ma ọ bụghị alkali siri ike. Kwesịrị ekwesị maka ojiji na mmiri mmiri nwere ion hydroxyl, ethanol dị otú ahụ na mmiri breeki ụgbọ ala. -20 ruo 100 Celsius C bụ ụdị okpomọkụ na-arụ ọrụ.

11. PU polyurethane roba akara mgbanaka

Polyurethane rọba nwere ezigbo ihe eji arụ ọrụ; ọ na-eme ka rubbers ndị ọzọ dị elu n'ihe banyere nkwụsị iyi na oke nrụgide. Nguzogide ya na ịka nká, ozone, na mmanụ dịkwa mma nke ukwuu; ma, na oke okpomọkụ, ọ na-adaba na hydrolysis. A na-ejikarị eme ihe maka njikọ akara nke nwere ike iguzogide eyi akwa na nrụgide dị elu. Ọkọlọtọ okpomọkụ nso maka ọrụ bụ -45 ka 90 Celsius C.