1.Heavy Duty EPDM Roj Hmab O-Rings Khoom Taw Qhia
Hnyav plaub ntug EPDM O-Ntiv nplhaib yog tsim los ntawm siab- zoo EPDM roj hmab, tsim los rau huab cua tsis kam, dej thiab chav raug, thiab kev siv sab nraum zoov. Piv rau NBR (Nitrile), EPDM yog qhov zoo tagnrho rau cov dej -raws li cov kua dej, huab cua, thiab qhov chaw ib puag ncig. UV thiab ozone resistant, nrog rau lub neej ntawm 15-20 xyoo.
2.Key Advantages
EPDM Roj Hmab yog dab tsi:
EPDM (Ethylene Propylene Diene Monomer) yog cov roj hmab hluavtaws paub txog nws qhov kev tiv thaiv ib puag ncig zoo, ua rau nws tsim nyog rau sab nraum zoov thiab siab -moisture applications.
Superior Weather Resistance:
- Ua kom yooj yim thiab sealing kev ua haujlwm sab nraum zoov
- Kuaj 2000 teev QUV raug tsis tawg (ASTM D1149)
Zoo heev Dej & Chav Ua Haujlwm:
- Haum rau cov dej kub, chav dej, thiab cov khoom siv kho dej
- Tsis o lossis degrade nyob rau hauv kev sib cuag dej tas li
- Kev nqus dej<1% after 7 days immersion (ASTM D471)
Chemical Resistance:
- Resistant rau dilute mus rau nruab nrab acids thiab alkalis, ketones, alcohols, thiab polar solvents
- Tau tshaj phosphate ester hydraulic kua thiab nres kua (DOT 3/4)
- Tsis sib xws nrog roj av, roj av, diesel, ntxhia roj, lossis roj
Kev kub siab dav:
- Tsawg kub: tseem hloov tau mus rau -40 degree
- Kub kub: nruam 120 degree, sib quas ntus 150 degree
- Chav: haum rau 130 degree
Lub neej ua haujlwm ntev:
- Sab nraum zoov cov ntsaws ruaj ruaj: 15-20 xyoo
- Cov tshuab dej kub: 10-15 xyoo
- HVAC systems: 12-18 xyoo
3.Technical Specifications
Standard Material Properties:
| Khoom | Test Standard | Tus nqi |
|---|---|---|
| Hardness | ASTM D 2240 Cov Lus Qhia | 60, 70, 80, 90 Ntug A |
| Tensile zog | ASTM D412 | Ntau dua lossis sib npaug li 8.0 MPa |
| Elongation ntawm Break | ASTM D412 | Ntau dua lossis sib npaug li 350% |
| Compression teeb (70h @ 100 degree) | ASTM D 395 Cov Lus Qhia | Tsawg dua lossis sib npaug li 30% |
| Qhov ntom | ASTM D 792 Cov Lus Qhia Tshwj Xeeb | 1.15 ± 0.05g / cm³ |
| Kev nqus dej (7 hnub) | ASTM D 471 Cov Lus Qhia Tshwj Xeeb | <1% |
| Tear Strength | ASTM D624, ASTM D624 | Ntau tshaj lossis sib npaug li 20 kN / m |
| Qhov kub thiab txias | - | -40℃rau 150 degree |
Hardness Selection Guide Qhia:
- 60A (Soft): Tsawg-siab sealing, qis- qhov kub thiab txias ib puag ncig, lub qhov rooj / qhov rai ntsaws ruaj ruaj, qis- cov kav dej siab
- 70A (Standard): General -lub hom phiaj sealing, dej kho, HVAC, tsheb txias tshuab
- 80A (Kev ruaj khov): Siab siab, qhov chaw ua haujlwm abrasive, nquag sib dhos / disassembly, twj tso kua mis, hydraulic kheej kheej
- 90A (Kev ruaj khov): Siab- cov ntawv thov siab, hnyav- siv lub luag haujlwm, yuav tsum muaj kev txhim kho meej
4. Muaj Qhov Loj
- Inner Diameter (ID): 0.2mm txog 1500mm
- Hla ntu (CS): 0.2mm rau kev cai avaliable
- Txuj Loj: AS568, ISO 3601, JIS B2401, BS1806, DIN 3771
- Custom Size: Txhua qhov loj me, MOQ 1 pcs
- Kev kam rau siab: AS568 Chav Kawm 2A (tus qauv), Chav Kawm 1A (precision)
5.Application Industries
Automotive Kev Lag Luam
Cua txias system seals, windshield washer systems, qhov rooj / qhov rai weatherstripping, nres systems, HVAC
HVAC & tub yees
Cua txias, chillers, twj tso kua mis, dej- cov khoom cua txias
Kev kho dej & kav dej
Cov ntxaij lim dej, RO systems, cov cua kub cua sov, dej hauv nroog, pas dej ua ke thiab cov khoom siv spa
Kev Tsim Kho & Lub Tsev
Roofing seals, qhov rais / qhov rooj gaskets, facade sealing, hnub ci thermal systems
Khoom noj & dej haus
Brewery, khoom noj siv mis, dej haus dispensing, steam sterilization, dej kub sanitization
Lub zog tauj dua tshiab
Lub hnub ci thermal collectors, cov twj tso cua sov, biomass boilers, geothermal systems, dej kub cia tank
6.Common Failure Scenarios & Solutions
- O-Nplhaib tawg lossis tawg → hloov ntawm NBR mus rau EPDM
- O-Nplhaib o lossis mos → siv NBR/FKM rau kev siv roj
- Flattened O-Nplhaib → ntsuas kub, tsis txhob overtightening
- Tawm tom qab kev teeb tsa → txheeb xyuas qhov loj thiab qhov zawj installation
7. Cov ntawv pov thawj zoo
- FDA CFR 21.177.2600 (Kev Tiv Thaiv Khoom Noj)
- NSF / ANSI 61 (Cov Dej Haus)
- WRAS (UK Kev Cai Dej Dej)
- REACH / RoHS (EU tshuaj lom neeg kev nyab xeeb)
- ISO 9001: 2015 (Kev Tswj Xyuas Zoo)
8. Kev Tswj Xyuas Txheej Txheem Zoo
- Cov Khoom Muag Khoom Muag: Hardness, tensile lub zog, ntom ntom, kos duab pom
- Hauv -Txoj Kev Tswjhwm Zoo: Thawj tsab xov xwm tshuaj xyuas, ntsuas qhov ntsuas, tshuaj xyuas saum npoo
- Kev Ntsuas Cov Khoom Kawg: 100% kev kuaj pom pom, qauv compression teeb, kev ntsuas siab foob
- Traceability & Documentation: Cim batch tooj, ntaub ntawv pov thawj, xeem daim ntawv qhia, packing list
9. Kev them nyiaj yug Engineering
Peb cov kws tshaj lij muaj 30+ xyoo ntawm kev paub txog kev sib khi. Muab koj cov kev mob rau daim ntawv thov (cov kua dej, qhov kub thiab txias, siab, kev txav) rau kev ua haujlwm hnyav EPDM O-Rings cov lus pom zoo thiab cov lus ceev ceev.
10. Hu rau US
Xiamen Best Seal Imp thiab Exp Co., Ltd
Tel: +86-592-5782315
Mob: +8618950159396
Email: yunying2@bestsealhk.com
Ntxiv: Unit 522-525, Gaodian Road 6#, Huli District, Xiamen, Suav teb
Cim npe nrov: hnyav luag hauj lwm epdm roj hmab o-rings, Tuam Tshoj hnyav luag hauj lwm epdm roj hmab o-rings lwm tus neeg, manufacturers, hoobkas
