Haɗaɗɗen Rubbers: Cikakkun Abubuwan Kaya, Fa'idodi, da Aikace-aikace

1. Haɗin FKM (FKM)

Kaddarori:

• Matsanancin zafin jiki (-20 ° C zuwa + 250 ° C).

• Musamman juriya ga mai, mai, kaushi, acid, da tushe.

• Ƙarfin ƙarfi mai ƙarfi (10-20 MPa), ƙananan matsa lamba (<15% a 150 ° C / 70h).

• Retardant na harshen wuta (UL94 V-0 rating) da kuma mai jurewar ozone.

Amfani:

• An riga an haɗa shi da magunguna (misali, bisphenol AF, peroxide) don ingantaccen vulcanization.

• Yana riƙe da kwanciyar hankali a cikin mahallin sinadarai masu tayar da hankali.

• Makin da aka yarda da FDA akwai don hulɗar abinci/maganin likita.

Aikace-aikace:

• Aerospace: O-zoben man fetur, hatimin injin, da diaphragms.

• Automotive: Turbocharger gaskets, watsa hatimi, da kuma man injectors.

• Chemical: Rubutun famfo, kujerun bawul, da taron tiyo.

2. Haɗin HNBR (HNBR)

Kaddarori:

• Juriya mai zafi har zuwa + 150 ° C (na ɗan lokaci + 175 ° C).

• Babban juriya ga mai, amines, da ruwayen ruwa.

• Ƙarfin ƙarfi mai ƙarfi (15-35 MPa) da juriya na gajiya.

• Low permeability zuwa gases.

Amfani:

• Pre-vulcanized don rage lokacin sarrafawa.

• Yana kiyaye elasticity a ƙarƙashin tsayin daka don matsananci kafofin watsa labarai.

• Akwai a cikin peroxide- ko sulfur-warkar maki.

Aikace-aikace:

• Oil & Gas: Fakitin hakowa, hatimin famfo laka, da abubuwan haɗin rijiyar.

• Motoci: bel na lokaci, tsarin allurar mai, da hoses na turbocharger.

• Masana'antu: Hatimin silinda na ruwa da abubuwan haɗin gearbox.

3. Haɗin NBR (NBR)

Kaddarori:

• Matsakaicin juriyar mai (mafi kyau fiye da EPDM, ƙasa da HNBR).

• Yanayin zafin jiki: -40°C zuwa +120°C.

• Babban juriya na abrasion (ASTM D5963: 100-200 mm³ hasara).

• Kyakkyawan juriya da matsawa saita juriya.

Amfani:

• Cost-tasiri tare da kyakkyawan moldability.

• Abun acrylonitrile na musamman (18-50%) don juriyar mai da aka keɓance.

Aikace-aikace:

• Mota: Tushen mai, O-ring, da hatimin watsawa.

• Masana'antu: Mai ɗaukar bel, rollers bugu, da hatimin ruwa.

• Mabukaci: Latex safar hannu da kayan wasanni.

4. Haɗin EPDM (Ethylene Propylene Diene Monomer)

Kaddarori:

• Fitaccen juriya na ozone/ yanayi (sa'o'i 5,000+ a gwajin QUV).

• Yanayin zafin jiki: -50°C zuwa +150°C.

• Babban ƙarfin dielectric (20-30 kV / mm) da rashin ƙarfi na ruwa.

• Rashin ƙarancin iskar gas.

Amfani:

• An riga an tsara shi tare da antioxidants da masu daidaita UV.

• Kyakkyawan damping vibration (rashin hasara: 0.1-0.3).

Aikace-aikace:

• Motoci: Hatimin ƙofa, bututun radiyo, da injin hawa.

• Gina: Rufin rufin rufin rufin, layukan kandami, da gaskets na taga.

• Lantarki: Cable insulation da ikon watsa bel.

5. MPU Compound (MPU)

Kaddarori:

• Ƙarfin ƙarfi mai ƙarfi (20-60 MPa) da elasticity (har zuwa 800% elongation).

• Juriya na musamman (ASTM D5963: 20-50 mm³ hasara).

• Yanayin zafin jiki: -40 ° C zuwa + 100 ° C (har zuwa +120 ° C tare da masu daidaita zafi).

• Mai jure wa kaushi da hydrolysis.

Amfani:

• Taurin da za a iya daidaita shi (Shore A 50-95).

• Akwai a simintin gyare-gyare, millable, ko makin thermoplastic.

Aikace-aikace:

• Masana'antu: Dabarun, rollers, da bel na jigilar kaya.

• Mota: Dakatarwa bushings, shock absorbers, da CV hadin gwiwa takalma.

• Likita: Catheters, takalmin gyaran kafa na kasusuwa, da kuma kayan aikin prosthetics.

6. ACM Compound (ACM)

Kaddarori:

• Ci gaba da juriya na zafi har zuwa +150 ° C (tsawon lokaci + 175 ° C).

• Kyakkyawan juriya ga ruwan watsawa ta atomatik (ATF), mai, da zafi.

• Matsakaicin ozone da juriya na yanayi.

• Ƙarfin juzu'i: 7-15 MPa.

Amfani:

• An riga an haɗa shi da amine ko peroxide curatives don saurin warkewa.

• Yana riƙe da kwanciyar hankali a cikin mahallin ATF.

Aikace-aikace:

• Mota: Hatimin watsawa, O-zobba, da diaphragms na famfo.

• Abubuwan tsarin tuƙi na wutar lantarki.

• Masana'antu: Rubutun famfo don kafofin watsa labarai na tushen mai.

7. AEM Compound (AEM)

Kaddarori:

• Faɗin zafin jiki (-40 ° C zuwa + 150 ° C).

• Juriya ga mai, glycols, da yanayin yanayi.

• Ƙarfin ƙarfi mai ƙarfi (10-20 MPa) da matsawa saita juriya.

• Low permeability zuwa gases.

Amfani:

• Daidaita juriyar zafi da sassauci.

• Juriya ga hydrolysis da tsufa.

• Akwai a cikin peroxide- ko sulfur-warkar maki.

Aikace-aikace:

• Motoci: hoses na radiyo, kayan aikin sanyaya tsarin, da bututun shan iska.

• Masana'antu: Conveyor bel don sarrafa sinadarai da famfo diaphragms.

• HVAC: Gaskets ducts da masu keɓewar girgiza.