Rail pads yog ib qho tseem ceeb ntawm txoj kev tsheb ciav hlau uas ua lub luag haujlwm tseem ceeb hauv kev ua kom muaj kev nyab xeeb thiab ua haujlwm zoo ntawm cov tsheb ciav hlau. Rail ncoo yog ib txheej resilient uas zaum ntawm txoj kev tsheb ciav hlau thiab txoj hlua khi, ua cov khoom siv cushioning uas absorbs lub zog dynamic tsim los ntawm cov tsheb ciav hlau. Lub luag haujlwm tseem ceeb ntawm rail pads yog los txo cov kev cuam tshuam thiab kev vibration los ntawm cov tsheb ciav hlau hla, yog li tiv thaiv kev puas tsuaj rau cov tsheb ciav hlau thiab cov khoom nyob ib puag ncig.
Cov khoom siv twg yog qhov zoo tshaj plaws corrosion resistant rau railroad pads?
Rau kev tiv thaiv corrosion zoo tshaj hauv kev tsheb ciav hlau, HDPE (High-Density Polyethylene) ua tau zoo vim nws cov tshuaj tiv thaiv kab mob, UV ruaj khov, thiab tsis tshua muaj dej nqus, zoo tagnrho rau cov xwm txheej hnyav xws li cov tshuaj ntsev los yog cov av ntub dej, txawm tias cov ntaub qhwv (rubber / HDPE) muaj qhov sib npaug ntawm kev tiv thaiv corrosion thiab cov roj hmab tshwj xeeb, tab sis zoo li kev vibrations. tab sis xav tau kev tiv thaiv UV / kev laus.
Cov kev xaiv zoo tshaj plaws rau Corrosion Resistance:
HDPE (High -Density Polyethylene):
Vim li cas nws thiaj zoo: Cov tshuaj tiv thaiv zoo heev, UV rays, thiab noo noo, tiv thaiv xeb thiab cov khoom degradation.
Qhov zoo tshaj plaws rau: Cov kab tsheb thauj khoom hnyav, thaj chaw muaj kev lag luam (mines, thaj chaw ntug dej hiav txwv) qhov chaw ua haujlwm tiv thaiv ib puag ncig yog qhov tseem ceeb.
| HDPE Rail Pad | |||
| Technical Parameter | Chav tsev | Kev Xav Tau | Tus nqi |
| Qhov ntom | g/cm3 | 0.95-0.98 | 0.95 |
| Tensile zog | Mpa | Ntau dua lossis sib npaug rau 19 | 19 |
| Elongation | % | >80 | 150 |
| Melting Point | degree | 170-190 | 190 |
| Rwb thaiv tsev Resistance | Ω | Loj dua los yog sib npaug rau 1 × 1010 | 3.5 ×1010 |
| Hardness | A | Ntau dua lossis sib npaug li 98 | 98(A) |
Composite Pads (Rubber-Plastic/Fiber Reinforced):
Vim li cas lawv thiaj zoo: Muab cov ntaub ntawv zoo li roj hmab rau damping nrog HDPE los yog fibers rau lub zog thiab zoo heev corrosion kuj tiv thaiv cov tshuaj thiab dej ntsev.
Qhov zoo tshaj plaws rau: sib xyaw- cov kab tsheb khiav los yog ib puag ncig hnyav uas xav tau kev poob siab thiab kev tiv thaiv corrosion.
Lwm yam khoom siv & kev txiav txim siab:
Roj Hmab: Zoo damping tab sis tsis zoo aging / UV tsis kam, yuav tsum tau tshwj xeeb blends los yog UV inhibitors rau lub neej ntev nyob rau hauv cov chaw raug.
| Rubber Rail Pad | ||
| Technical Parameter | Chav tsev | Tus nqi |
| Kev nruj | KN | 90-130 |
| Hardness Ntug A | degree | 72-80 degree |
| Electronic Resistance | Ω | Ntau dua lossis sib npaug rau 106 |
| Tensile zog ua ntej kev laus | Mpa | Ntau dua lossis sib npaug rau 12.5 |
| Elongation ua ntej kev laus | % | Ntau dua lossis sib npaug li 250 |
EVA (Ethylene-Vinyl Acetate): Muaj kev sib xyaw ua ke ntawm qhov nruab nrab damping thiab kev laus ua haujlwm zoo, tsim nyog rau kev siv dav dav, tab sis tsis yog sab saum toj rau huab cua corrosion.
| EVA: Polyethylene 80%, Vinyl Acetate 20%. | |||
| Technical Parameter | Chav tsev | Kev Xav Tau | Tus nqi |
| Qhov ntom | g/cm3 | 0.95-0.98 | 0.95 |
| Tensile zog | Mpa | Ntau dua lossis sib npaug li 15 | 16 |
| Elongation | % | >500 | 550 |
| Melting Point | degree | 170-190 | 170 |
| Rwb thaiv tsev Resistance | Ω | Loj dua los yog sib npaug rau 1 × 1010 | 5.0 ×1010 |
| Hardness | A | Ntau dua lossis sib npaug li 90 | 92(A) |
Qhov zoo ntawm kev siv roj hmab, eva, thiab kev zoo siab los tsim cov rail elastic pads
Roj Hmab, EVA (Ethylene Vinyl Acetate), thiab HDPE (High-Density Polyethylene, feem ntau siv ib sab) muab qhov zoo sib xws rau cov tsheb ciav hlau, muab cov khoom zoo heevshock absorption, vibration dampening, suab nrov txo, tiv thaiv rails / pw tsaug zog los ntawm kev hnav, ua kom muaj hluav taws xob rwb thaiv tsev, thiab txhim kho lub neej khiav, nrogRoj hmabexcelling nyob rau hauv hnyav loads / durability,EVAhauv elasticity / tsheb thauj mus los hauv nroog, thiabHDPEnyob rau hauv cov tshuaj tiv thaiv / lub teeb yuag, tag nrho ua rau muaj kev nyab xeeb dua, ntsiag to, thiab qis dua -txoj kev tsheb ciav hlau.
| Raw Khoom | Rubber, EVA, TPEE, HDPE |
| Txuj | UIC, AREMA, TB/T2626-95 |
| Daim ntawv thov | 43kg / m, 50kg / m, 60kg / m, 75kg / m, 115RE, UIC54, UIC60, S49 |
| Qauv nab npawb | 43-7-7, 43-10-7, 50-7-9, 50-10-9, 60-10-17, 60-12-17 |
| Ua haujlwm kub | -50 ~ 70 degrees |
| Daim ntawv pov thawj | MSDS, ROHS, REACH |
| Sau ntawv | Lawv yuav tsum tau muab khaws cia rau hauv qhov chaw huv, qhov cua. Tsis txhob nyob hauv tshav ntuj ncaj qha, thiab kom deb ntawm qhov chaw tshav kub thiab tshuaj reagent. Tsis txhob kov cov roj, cov kuab tshuaj organic, thiab lwm yam tshuaj. Txwv tsis pub raug. |
Raws li ib tug kws rail fastener chaw tsim tshuaj paus,GNEE RAILtuaj yeem tsim ntau hom roj hmab rail pads nrog cov ntaub ntawv sib txawv, xws li roj hmab ntuj, EVA, HDPE thiab lwm yam. Nyob rau hauv railway fastening system, roj hmab rail pads feem ntau ntsia nruab nrab ntawm txoj kev tsheb ciav hlau thiab cov pob zeb railway sleepers.