1. Caag Dabiici ah (NR)
Tilmaamaha Waxqabadka
barti: Kordhinta xajinta ilaa 1000%, oo leh adkeysi aad u fiican (dib u soo kabashada> 70%).
Xoogga Makaanikada: Awoodda xajintu waxay u dhaxaysaa 20-30 MPa, iska caabin jeexjeex ah 50-60 kN/m.
Kala duwanaanta heerkulka: -5 darajo ilaa 80 darajo (xadka heerkulka adeega).
Iska caabinta Kiimikada: U nugul saliidda, ozone, iyo acids/salsyada xooggan.
Codsiyada caadiga ah
Taayirada sambabada ah (la xisaabtamaysa 70% isticmaalka NR adduunka oo dhan), go'doominta gariirka, iyo suumanka qaada ee meelaha aan{1} saliidda ahayn.
2. Nitrile Butadiene Rubber (NBR)
Tilmaamaha Waxqabadka
Iska caabinta Saliiddaheerka bararka<10% in ASTM #3 oil at 70°C for 70h.
Guryaha Makaanikada: Xoog xajin 15-25 MPa, oo leh caabbinta abrasion wanaagsan.
Kala duwanaanta heerkulka: -20 darajo ilaa 100 darajo (waqti gaaban ilaa 120 darajo).
Xaddid: Iska caabbinta ozone liidata iyo dabacsanaanta heerkulka hooseeya -
Codsiyada caadiga ah
Xirmooyinka matoorada baabuurta, tuubooyinka shidaalka, iyo gaasaska ku jira qalabka batroolka.
3. Rubber Silikoon (VMQ)
Tilmaamaha Waxqabadka
Heerkulka Xad-dhaafka ah: -60 darajo ilaa 250 darajo (adeeg joogto ah), oo leh xasilloonida kulaylka ilaa 300 darajo.
La jaanqaadka noole: USP Class VI oo loo shahaado codsiyada caafimaadka.
Xaddid: Awood jeexjeexeed hoose<10 kN/m) and poor oil resistance.
Codsiyada caadiga ah
Kateetarka caafimaadka, shaabadihii hawada hawada, iyo gaasasyada heerkulka sare ee wax soo saarka semiconductor.
4. Chloroprene Rubber (CR)
Tilmaamaha Waxqabadka
Iska caabinta Cimilada: Ozone resistance class A (ASTM D1149), UV stability >5 sano oo dibadda ah.
Kala duwanaanta heerkulka: -30°C to 100°C, with flame-retardant properties (oxygen index >38).
Xoogga Makaanikada: Xoog xajin 25-35 MPa, iska caabin ilmada 30-40 kN/m.
Codsiyada caadiga ah
Xargaha xargaha iyo xargaha, xuubka saqafka, iyo tuubooyinka dabka.
5. Fluoroelastomer (FKM)
Tilmaamaha Waxqabadka
Iska caabinta Kiimikada: U adkaysta H₂SO₄ (98%), NaOH (50%), iyo shidaalka duulista.
Kala duwanaanta heerkulka: -20 darajo ilaa 260 darajo , oo leh xasilooni muddo gaaban ilaa 300 darajo .
Guryaha Makaanikada: Xoog xajin 15-20 MPa, dhigay cadaadis<20% at 200°C for 70h.
Codsiyada caadiga ah
Waxa lagu xidhaa reactors kiimikaad, qaybaha mishiinada hawada hawada, iyo qalabka saliida godka hoostiisa ku jira.
Tilmaamaha Xulashada Qalabka
| Shuruudaha Waxqabadka | Nooca cinjirka ee lagu taliyay |
|---|---|
| Laastiig sare / caabbinta xidhashada | Caag Dabiici ah (NR) |
| Iska caabin saliid/warbaahineed | Nitrile Butadiene Rubber (NBR) |
| U dulqaadashada heerkulka aadka u daran | Rubber Silikoon (VMQ) |
| Cimilada bannaanka | Rubber Chloroprene (CR) |
| Deegaan kiimiko ah oo adag | Fluoroelastomer (FKM) |
Falanqayntan isbarbardhigga ahi waxay hoosta ka xariiqaysaa muhiimada ay leedahay in la is waafajiyo waxyaabaha caagga ah iyo baahida hawleed. Injineerada iyo saynisyahannada agabka ayaa ka faa'iidaysan kara qaabkan si ay u wanaajiyaan isku halaynta qaybaha iyo kharashyada meertada nolosha ee qaybaha warshadaha kala duwan.
