Xirmooyinka isku dhafan: Guryaha faahfaahsan, Faa'iidooyinka, iyo Codsiyada

1. Isku dhafka FKM (FKM)

Guryaha:

• Iska caabin heerkul aad u daran (-20°C ilaa +250°C).

• Iska caabin aan caadi ahayn ee saliidaha, shidaalka, dareerayaasha, asiidhka, iyo saldhigyada.

• Awood adag oo adag (10-20 MPa), cadaadis hooseeya (<15% at 150 ° C / 70h).

• Dab-demiska (UL94 V-0) iyo ozone u adkaysta.

Faa'iidooyinka

• Horay loogu daray dawooyinka (tusaale, bisphenol AF, peroxide)

• Waxay ku haysaa xasilloonida cabbirka deegaanka kiimikada gardarada leh.

• Darajooyin u hoggaansan FDA oo diyaar u ah xiriirka cuntada/caafimaadka.

Codsiyada:

• Aerospace: Nidaamka shidaalka O-rings, shaabadihii mishiinka, iyo diaphragms.

• Gawaarida: gaasaska Turbocharger, xirmooyinka gudbinta, iyo cirbadaha shidaalka.

• Kiimiko: Dahaarka bamka, kuraasta waalka, iyo shirarka tuubada.

2. HNBR Compound (HNBR)

Guryaha:

• Iska caabbinta kulaylka ilaa +150C (ku-meel-gaadh ah +175°C).

• Iska caabbinta sare ee saliidaha, aminnada, iyo dareerayaasha hawo-biyoodka.

• Xoog adkaysi sare (15-35 MPa) iyo iska caabin daal.

• U adkaysiga hoose ee gaasaska.

Faa'iidooyinka

• Pre-vulcanized si loo dhimo wakhtiga habaynta.

• Waxay ilaalisaa dabacsanaanta iyadoo ay sii dheeraato la kulanka warbaahinta adag.

• Waxaa laga heli karaa peroxide-ama darajooyinka baaruudku lagu daaweeyay.

Codsiyada:

• Saliidda & Gaaska: Xirmooyinka qodista, xirmooyinka matoorka dhoobada, iyo qaybaha ceelasha.

• Gawaadhida: Suunka wakhtiga, nidaamka duritaanka shidaalka, iyo tuubooyinka turbocharger.

• Warshadaha: Xirmooyinka dhululubada Haydarooliga iyo qaybaha sanduuqyada gear.

3. NBR Compound (NBR)

Guryaha:

• Iska caabin saliid dhexdhexaad ah (ka fiican EPDM, in ka yar HNBR).

• Heerkulka: -40°C ilaa +120°C.

• Iska caabbinta abrasion sare (ASTM D5963: 100-200 mm³ khasaare).

• Adkeysi wanaagsan iyo cadaadis ayaa dhigay caabbinta.

Faa'iidooyinka

• Kharash wax ku ool ah oo leh qaabayn heersare ah.

• Waxyaabaha acrylonitrile ee la beddeli karo (18-50%) ee caabbinta saliidda ee ku habboon.

Codsiyada:

• Gawaarida: Tuubooyinka shidaalka, O-rings, iyo shaabadihii gudbinta.

• Warshadaha: Suunka wareejinta, rollers-ka daabacaadda, iyo shaabadihii Haydarooliga.

• Macaamilka: galoofyada caaga ah iyo qalabka ciyaaraha.

4. Isku-dhafka EPDM (Ethylene Propylene Diene Monomer)

Guryaha:

• Iska caabbinta hawada sare ee ozone/cimilada (5,000+ saacadood ee tijaabada QUV).

• Heerkulka: -50°C ilaa +150°C.

• Awood sare oo koronto ah (20-30 kV/mm) iyo biyo la'aan.

• Dareemidda gaaska hooseeya.

Faa'iidooyinka

• Horay loogu habeeyey antioksidanter-yada iyo xasiliyayaasha UV.

• Gariir heersare ah oo qoyan (cunsurka khasaaraha: 0.1-0.3).

Codsiyada:

• Gawaadhida: Albaabada albaabka, tuubooyinka hiitarka, iyo korka mishiinka.

• Dhisidda: Xuubabka saqafka, maraqa balliga, iyo gaasaska daaqadaha.

• Koronto: Xargaha xargaha iyo suumanka gudbinta korontada.

5. MPU Compound (MPU)

Guryaha:

• Xoog xajin sare (20-60 MPa) iyo barti (ilaa 800% elongation).

• Iska caabbinta naaxinta gaarka ah (ASTM D5963: 20-50 mm³ khasaare).

• Heerkulka kala duwan: -40°C ilaa +100°C (ilaa +120°C oo leh qaboojiyaha kulaylka).

• U adkaysta dareerayaasha iyo hydrolysis.

Faa'iidooyinka

• Adag la beddeli karo (Shop A 50-95).

• Lagu heli karo kabka, milla, ama buundooyinka heerkulbeegga.

Codsiyada:

• Warshadaha: Taayirrada, rollers, iyo suumanka wax qaada.

• Gawaadhida: Bushings-ka-joojinta, shoogga nuuga, iyo kabaha wadajirka ah ee CV.

• Caafimaadka: Kateetarka, laabta lafaha, iyo kuwa saabuunta.

6. ACM Compound (ACM)

Guryaha:

• Iska caabbinta kulaylka joogtada ah ilaa +150C (ku-meel-gaadh ah +175°C).

• Iska caabin heer sare ah oo dareere gudbinta tooska ah (ATF), saliidaha, iyo kulaylka.

• ozone dhexdhexaad ah iyo caabbinta cimilada.

• Xoog xajin: 7-15 MPa.

Faa'iidooyinka

• Horay loogu daray amine ama peroxide curatives si dhakhso ah loo daweeyo.

• Waxay ilaalisaa xasilloonida cabbirka ee deegaanka ATF.

Codsiyada:

• Gawaadhida: Xirmooyinka gudbinta, O-rings, iyo diaphragms bamka.

• Qaybaha nidaamka isteerinka awoodda.

• Warshadaha: Bambooyinka xirmooyinka warbaahinta saliidda ku saleysan.

7. Isku dhafka AEM (AEM)

Guryaha:

• Heerkulka ballaaran (-40 ° C ilaa +150 ° C).

• Iska caabinta saliidaha, glycols, iyo cimilada.

• Xoog adkaysi sare (10-20 MPa) iyo cadaadis dhigay iska caabin.

• U adkaysiga hoose ee gaasaska.

Faa'iidooyinka

• Waxay dheelitirtaa caabbinta kulaylka iyo dabacsanaanta.

• U adkaysta hydrolysis iyo gabowga.

• Waxaa laga heli karaa peroxide-ama darajooyinka baaruudku lagu daaweeyay.

Codsiyada:

• Gawaarida: Tuubooyinka shucaaca, qaybaha nidaamka qaboojiyaha, iyo tuubooyinka hawada qaada.

• Warshadaha: Suumanka wareejinta ee maaraynta kiimikaad iyo bamka diaphragms

• HVAC: gaasaska tuubada iyo go'doominta gariirka.