Khoom Description
| Khoom siv | HNBR |
| Ntsiab lus | HNBR 70 Shore A Ntsuab Roj Hmab O-Rings |
| Hardness | 70-90 Ib |
| Keeb kwm | Xiamen, Suav |
| Elongation | 300-500% |
| Volume resistivity | 10-1014Ω·m |
| kua muag zog | 20-40kN/m |
Dab tsi yogHWV 70Ntug ANtsuab Roj Hmab O-Rings
HNBR 70 Shore A Green Rubber O-rings yog ib hom roj hmab O-ring ua los ntawm HNBR (Hydrogenated Nitrile Butadiene Rubber) cov khoom. O-ring foob no muaj qhov nyuaj ntawm 70 Shore A, tus qauv ntsuas ntsuas siv los txiav txim siab qhov tawv ntawm cov khoom. Lawv feem ntau siv rau hauv daim ntawv thov kev sib khi zoo li qub thiab tsis muaj zog, xws li sealing kua lossis gases. Cov yam ntxwv ntawm HNBR Roj Hmab O-rings ua rau lawv haum rau ntau daim ntawv thov sealing uas yuav tsum tau ua kom muaj zog thiab kev ntseeg siab.
Hydrogenated Nitrile Roj Hmab (HNBR)
Hydrogenated Nitrile (HNBR) yog ib qho hluavtaws polymer uas tau txais los ntawm saturating ob daim ntawv cog lus hauv nitrile's butadiene ntu nrog hydrogen, thiab nws tseem hu ua HSN (Highly Saturated Nitrile). Cov txheej txheem hydrogenation tshwj xeeb no txo qis ntau ntawm ob daim ntawv cog lus hauv cov saw tseem ceeb ntawm NBR polymer, yog li HNBR muaj cov cua sov zoo dua, ozone, tshuaj lom neeg tsis kam, thiab cov yam ntxwv ntawm cov txheej txheem Nitrile.
Cov ntsiab lus ntawm Acrylonitrile
Zoo ib yam li NBR, muaj ntau theem ntawm Acrylonitrile (ACN) cov ntsiab lus hauv HNBR polymers sib txawv. Cov ntsiab lus ACN tuaj yeem sib txawv ntawm 17% mus rau 49%. Cov ntsiab lus ACN qis dua muab cov khoom zoo dua qhov kub thiab txias tab sis cov roj tsis zoo thiab cov roj nplua nyeem polar. Cov ntsiab lus ACN siab dua muab cov khoom tsis zoo rau qhov kub thiab txias tab sis txhim kho cov roj thiab cov roj nplua nyeem tsis zoo. Standard HNBRs feem ntau muaj 36% ACN cov ntsiab lus.
Lwm yam kev hloov pauv
• HNBRs feem ntau yog lubricated sab hauv los txhim kho yooj yim ntawm installation los yog txo kev sib txhuam rau dynamic daim ntaub ntawv.
• HNBRs tuaj yeem tsim nrog tsuas yog "dawb daim ntawv teev npe" cov khoom xyaw raws li tau teev tseg hauv 21.CFR 177.2600 siv rau hauv cov ntawv thov uas cov elastomer yuav tiv nrog zaub mov lossis dej haus.
• HNBRs feem ntau yog siv nyob rau hauv automotive cua txias system qhov twg R134a refrigerant gas los yog tshiab refrigerant rau ib puag ncig tiv thaiv xws li R401a, R404a, R410a, R507 thiab R744 yog siv.
• HNBRs kuj tseem siv tau rau hauv lub tshuab tsav tsheb vim tias lawv cov kev puas tsuaj zoo heev.
• Hauv cov dej tob tob, nws yuav tsum muaj cov khoom siv tiv thaiv tshav kub, roj crude, hydrogen sulfide, chav dej, tawg decompression, thiab lwm yam. Cov tshuaj tshwj xeeb ntawm HNBR tuaj yeem muaj rau daim ntawv thov no.
| Cov ntaub ntawv dav dav | |
| ASTM D 1418 Daim Ntawv Pov Thawj | HNBR |
| ISO / DIN 1629 Kev Tsim Kho | HNBR or NBM |
| ASTM D2000 / SAE J 200 Codes | CH, DF, DH |
| Txheem Xim (s) | Dub, Ntsuab |
| Hardness Range | 50 txog 90 Shore A |
| Tus nqi txheeb ze | Siab |
| Kev Pabcuam Kub | |
| Standard Low Temperature | -40 degree / -40 degree F |
| Txheem Kub Kub | 150 degree / 302 degree F |
| Tshwj xeeb Compound Tsawg Kub | -55C / -67 degree F |
| Tshwj xeeb Compound Kub Kub | 165 degree / 330 degree F |
Qhov zoo ntawm HNBR 70 Shore A Green Rubber O-Rings
- Thaum tshav kub kub tsis kam: HNBR muaj kev tiv thaiv kub zoo heev thiab tuaj yeem tswj nws lub cev thiab cov khoom siv kho mob hauv qhov chaw kub kub. Qhov no ua rau HNBR 70 Shore A Roj Hmab O-rings haum rau cov ntawv thov kev sib khi siab.
- Roj tsis kam: HNBR muaj cov roj zoo heev thiab tuaj yeem tiv thaiv kev yaig ntawm ntau yam roj nplua nyeem, roj, thiab cov tshuaj ua kua. Qhov no ua rau HNBR Green Roj Hmab O-rings zoo heev hauv cov ntawv thov suav nrog kua sealing.
- Tshuaj tiv thaiv: HNBR muaj kev tiv thaiv zoo rau ntau yam tshuaj, suav nrog acids, bases, thiab cov kuab tshuaj. Qhov no ua rau HNBR Roj Hmab O-rings haum rau ib puag ncig uas yuav tsum tau tiv thaiv tshuaj tua kab mob.
- High Hardness: Lub hardness ntawm HNBR 70 Shore A txhais tau hais tias qhov O-ring foob no muaj qee yam nruj thiab compression tsis kam. Nws muab kev ruaj ntseg foob thiab tswj cov duab thiab elasticity nyob rau hauv siab.
- Lub Zog Mechanical Siab: HNBR 70 Shore A O-rings muaj lub zog txhua yam thiab tuaj yeem tiv taus qhov siab thiab kev sib txhuam.
- Ib puag ncig tus phooj ywg: HNBR yog cov khoom siv zoo ib puag ncig uas ua tau raws li ib puag ncig thiab kev noj qab haus huv cov qauv. Nws tsis muaj cov tshuaj phem xws li halogen, sulfur, thiab txhuas thiab muaj kev nyab xeeb rau kev siv.
daim ntawv thov
HNBR 70 Shore A Green Rubber O-Rings tau dav siv hauv kev sib khi daim ntaub ntawv hauv ntau lub lag luam thiab thaj chaw, suav nrog tab sis tsis txwv rau cov hauv qab no:
1. Kev lag luam tsheb: HNBR O-hom sealing rings feem ntau yog siv rau hauv kev sib khi daim ntaub ntawv nyob rau hauv lub tsheb cav, roj systems, cua txias, thiab kis tau tus mob systems. Vim nws zoo heev kub thiab roj kuj, nws muab txhim khu kev qha sealing nyob rau hauv high-temperature thiab roj ib puag ncig.
2. Aerospace kev lag luam: Kev lag luam aerospace muaj kev xav tau siab heev rau cov ntsaws ruaj ruaj. HNBR O-rings yog siv dav hauv kev sib khi daim ntaub ntawv ntawm cov khoom tseem ceeb xws li aerospace cav, hydraulic systems, thiab roj systems. Nws tiv taus qhov kub thiab txias, roj, thiab tshuaj lom neeg tso cai rau nws los tuav lub foob nyob rau hauv ib puag ncig huab.
3. Kev lag luam roj thiab nkev roj: HNBR O-hom sealing rings feem ntau yog siv rau hauv cov roj thiab cov pa roj extraction, kev thauj mus los, thiab cov khoom siv ua haujlwm. Lawv tuaj yeem tiv taus qhov kub thiab txias, kub siab, thiab ntau yam tshuaj lom neeg, kom ntseeg tau tias kev sib khi ntawm cov kav dej thiab cov li qub.
4. Kev lag luam tshuaj: Vim lawv cov tshuaj tiv thaiv zoo heev, HNBR O-rings tau siv dav hauv cov khoom siv tshuaj, cov tso tsheb hlau luam, thiab cov kav dej. Lawv tiv taus acids, alkalis, kuab tshuaj, thiab lwm yam tshuaj corrosive.
5. Metallurgical kev lag luam: HNBR O-hom sealing rings muaj cov ntaub ntawv tseem ceeb hauv cov khoom siv metallurgical, cov cua kub kub, thiab cov khoom siv casting. Lawv tuaj yeem tiv taus qhov kub thiab txias thiab hlau corrosion, tswj cov khoom sib khi ntawm cov khoom siv.
Ntxiv rau cov kev lag luam saum toj no, HNBR 70 Shore A Green Rubber O-rings kuj tuaj yeem siv rau kev sib khi cov kev xav tau hauv kev ua zaub mov, khoom siv kho mob, khoom siv hluav taws xob, thiab kev siv dav hauv kev lag luam.
| Original Properties | Specification | Kev Xeem | Txoj Kev Xeem |
| Hardness ntug | 70+/-5 | 71.5 | D2240 |
| Tensile zog, Mpa, MIN | Ntau dua lossis sib npaug li 14 | 18.5 | D412 |
| Qhov kawg Elongation,% MIN | Ntau dua lossis sib npaug li 250 | 429 | D297 |
| Thaum tshav kub kub Resistance 70H.AT 100 degree | 1.245 | D573 | |
| Hloov hauv hardness, cov ntsiab lus | +/-15 | 2 | |
| Hloov hauv tensile zog% | +/-30 | 3.65 | |
| Hloov hauv qhov kawg elongation, max% | -50 | -5.7 | |
| Compression teeb, max%, 22H ntawm 100 degree | Tsawg dua los yog sib npaug li 25 | 10 | D395 |
| Fluid Resistance No.1 IOK 70H ntawm 100 degree | D471 | ||
| Hloov hauv hardness, cov ntsiab lus | -5 rau +10 | 4 | |
| Hloov hauv Tensile zog, MAX% | Ntau dua lossis sib npaug rau -25 | -2.1 | |
| Hloov hauv qhov kawg elongation max% | Ntau dua lossis sib npaug rau -45 | -4.7 | |
| Hloov hauv ntim | -10rau+5 | -5.2 | |
| Resistance rau ozone (C12) | YOG | YOG |
Cim npe nrov: hnbr 70 ntug ib ntsuab roj hmab o-rings, Tuam Tshoj hnbr 70 ntug ib ntsuab roj hmab o-rings manufacturers, lwm tus neeg, Hoobkas
