Lubricant Additives - Phenolic Antioxidants Series:High Molecular Phenolic Ester Antioxidants sawv cev rausiab - theem kev ua tau zoontawm Sinolook hindered phenol ntau yam - engineered tov rau thawj qhov kev txwv ntawm tsawg-MW phenols (BHT, 2,6-DTBP): volatility. Los ntawm kev sib txuas cov pov thawj hindered-phenol dawb-radical-scavenging pab pawg mus rau siab -molecular-weight ester saw (MW 530–{11}} g/mol), cov koob no ua tiavtxo qis volatility, ntau dua roj solubility, thiab ntev antioxidant persistence nyob rau hauv ntev -drain servicepiv rau BHT (MW 220) lossis 2,6-DTBP (MW 206). Ua kua los yog tsawg-melting daim ntawv; tag nrho sib xws nrog txhua hom roj hauv paus (Group I-V). Zero SAPS (C / H / O nkaus xwb). Cov qib lag luam tseem ceeb:L01-Tib(txog rau Antioxidant 1076, CAS 2082-79-3, MW ~ 531) ·L57 - ib(siab-MW polyol ester, kua) ·HP-136-Type(qis -viscosity variant). Sinolook Phenolic AO series: BHT · 2,6-DTBP Mixture ·High Molecular Phenolic Ester Series (qhov no).
✅ SAPS-Free · High MW (530–{2}} g/mol) · Tsawg Volatility · Ntev -Drain Persistence · Primary AO · Hindered Phenol Ester · Kua / Low- Melt · Txhua Hom Roj Roj · Lubricants · Greases · Aviation · Transformers
High Molecular Phenolic Ester Antioxidants
Siab molecular hnyav phenolic ester hom antioxidants / Polymeric Hindered Phenol Ester AO Series / L01-type · L57-type · HP-136-type / MW 530–1000+ g/mol / SAPS-Free (C/H/O only) / Liquid or Low-Melting /
CAS (Ref): 2082-79-3
MW:530,86 g / mol
Qauv:Octadecyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate - hindered phenol + C18 ester saw
Daim ntawv:Dawb/tawm-dawb waxy khoom lossis kua, MP 49–54 degree
KV @ 40 degree:N / A (waxy khoom, yaj hauv cov roj sov)
★ Qhov txiaj ntsig tseem ceeb:Benchmark qis-volatility phenolic AO; tus qauv ntev -drain engine roj, turbine roj, hluavtaws puag Tshuag stabilization
CAS (Ref):Mixture / tswv
MW:700–{1}} g/mol (siab dua L01)
Daim ntawv:Viscous amber kua, tag nrho cov kua ntawm ambient
KV @ 40 degree:~ 200-800 cSt (siab viscosity kua)
★ Qhov txiaj ntsig tseem ceeb:Ua kua tag nrho - xoom dissolution kauj ruam; siab dua MW=txawm tias qis dua volatility dua L01; zoo tagnrho rau PAO, ester, PAG hluavtaws lubricants; ntxiv lubricity los ntawm ester pawg
MW:484-600 g / mol
Daim ntawv:Tsawg-viscosity amber kua, pourable ntawm ambient
KV @ 40 degree:100-250 hli
★ Qhov txiaj ntsig tseem ceeb:Qhov sib npaug ntawm MW (qis volatility dua BHT) + tsawg viscosity (yooj yim tuav hauv txhua qib); haum rau qis-kub iav roj, hydraulic kua; pom zoo rau txias- huab cua sib xyaw
Dab tsi yog High Molecular Phenolic Ester Antioxidants - & Vim Li Cas Molecular Luj Tseem Ceeb?
High Molecular Phenolic Ester Antioxidantsyog cov lus teb engineering rau qhov kev txwv tseem ceeb ntawm qis -MW cuam tshuam phenols xws li BHT (MW 220) thiab 2,6-DTBP (MW 206):volatility depletion ntawm sustained siab kub. Ob leeg BHT thiab 2,6-DTBP yog cov tshuaj tua kab mob zoo tshaj plaws ntawm qhov kub nruab nrab, tab sis lawv qhov hnyav molecular qis txhais tau hais tias lawv muaj vapor pressures ntawm kev khiav hauj lwm kub ntawm niaj hnub high - lubricants kev ua tau zoo (120-180℃rau ntev -cov roj cav roj; 150-250 degree). Tshaj qhov ncua sij hawm ntws tawm - 15,000 km (tsheb neeg nrog caij), 500 teev (turbine), lossis ntau- xyoo kev pabcuam (cov roj hloov pauv) - ib feem tseem ceeb ntawm BHT / DTBP cov khoom lag luam evaporates los ntawm cov roj, depleting AO cia qhov dej ua ntej lub sijhawm ntws mus txog. RULER (Kev Ntsuas Lub Neej Tseem Ceeb Tseem Ceeb los ntawm Voltammetry) kev ntsuam xyuas ntawm cov roj siv tau lees paub tias BHT feem ntau yog depleted sai dua hnyav phenolic antioxidants ntawm qhov sib npaug ntawm cov nqi pib kho.
High Molecular Phenolic Ester Antioxidants daws qhov no los ntawmcovalently txuas cov active hindered - phenol pab pawg (cov radical-scavenging -OH) mus rau ib tug siab -MW ester saw (C18 alkyl, polyol, los yog lwm yam siab -MW cawv). Cov txiaj ntsig molecule (MW 530–{2}} g/mol) khaws qhov zoo tib yam dawb-radical-scavenging mechanism ntawm BHT (H- atom pub dawb los ntawm sterically hindered phenolic O–H rau ROO•) tab sis muaj ib tug vanishingly cov kev pab cuam evaporative kub ntawm 6 depletion negligible. Kev sib txuas ntawm ester kuj tseem txhim kho kev sib raug zoo nrog cov khoom siv hluavtaws (PAO, ester, PAG), muab kev sib koom ua ke zoo dua thiab kev faib tawm los ntawm cov yeeb yaj kiab roj nplua nyeem, thiab ester pawg nws tus kheej muab kev pab cuam lubricity.
| Qib | MW (g / mol) | Daim ntawv / MP | ★ Volatility ntawm 150 degree | Qhov zoo tshaj plaws daim ntawv thov haum |
|---|---|---|---|---|
| CAS Nr .: 128-37-0 | 220 | Khoom, MP 70-72 degree | Siab - qhov tseem ceeb depletion nyob rau hauv ntev - ntws | Luv-cov roj nplua nyeem, roj, zaub mov-qib, polymers |
| 2.6-DTBP Sib tov (CAS 14972-27-9) | 206 | Ze ntawm - kua, MP 36–38 degree | Siab tshaj - kev txo qis tshaj plaws | Kev lag luam (tsis yog- khoom noj), yooj yim tuav, synthesis intermediate |
| ★ HP-136-hom (cov koob no) | ~484–600 | Ua kua, tsawg viscosity | Tsawg - zoo txuas ntxiv -drain performance | Hydraulic, iav roj, qis -temp blending |
| ★★ L01-hom (cov koob no) - ntsuas ntsuas | ~531 | Waxy khoom / kua, MP 49-54 degree | Tsawg heev - tus qauv ntev -drain AO | Cav roj, turbine, hluavtaws lube - tag nrho txuas ntxiv -drain |
| ★★★ L57-hom (cov koob no) - qhov dej ntws ntev tshaj plaws | 700–1000+ | viscous kua, tag nrho ambient | Negligible - ntev tshaj plaws -drain persistence | PAO/ester synthetics, aviation, transformer, ultra-ntev-drain |
L01-type antioxidant (txog rau Antioxidant 1076 / CAS 2082-79-3) muaj cov qauv:octadecyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate. Qhov no yog ester ntawm 3,5-di-tert-butyl-4-hydroxyphenylpropionic acid (tseem hu ua -}(3,5-di-tBu-4-}OH-phenyl acid, 1-octadecanol (C18 fatty cawv). Cov pab pawg neeg muaj zog antioxidant yog 3,5-di-tert-butyl-4-hydroxyphenyl moiety - classic "BHT-zoo li" hindered phenol. C18 octadecyl ester saw (–OCO–(CH₂)₂–C₆H₂(OH)(t-Bu)₂) pab txhawb ~ 340 pawg, tsa tag nrho MW rau ~ 531 thiab txo qis vapor siab vs cov dawb phenolic acid ib leeg. Lub cev pob txha hauv daim duab qhia cov yam ntxwv tseem ceeb: lub nplhaib muaj ntxhiab nrog -OH + flanking -O pawg ntawm cov ester txuas, thiab -CH₂-(CH₂)₅–COOR propionate/alkyl saw pom li HO–O–CH₂–(CH₂)₅–COOR.
Lub mechanism yogzoo ib yammus rau BHT thiab 2,6-DTBP - Chain-Breaking Donor (CB-D):ArO–H + ROO• → ArO• + ROOH. Lub phenoxy radical (ArO•) yog ruaj khov los ntawm ob lub flanking 3,5-di-tert-butyl pawg (tib yam steric tiv thaiv geometry li BHT). Cov ester saw tsis koom nrog hauv cov tshuaj tua kab mob antioxidant - nws yog ib qho kev tivthaiv nkaus xwb uas tswj: (a)volatility(siab dua MW → qis dua VP → tsawg dua evaporative depletion); (b)roj compatibility(C18 los yog polyol ester saw → zoo heev pab pawg I–V puag roj solubility, zoo dua li ntshiab phenols hauv PAO/ester synthetics); (c)Kev ua haujlwm AO rau ib molecule(1 active phenol OH ib L01 molecule - tib yam li BHT; L57- hom nrog 2-4 OH pawg ib molecule=proportionally dua molar act). Cov kab hauv qab: cov ester antioxidants yog tshuaj lom neeg ntau dua li BHT, tab sis ua haujlwm raws nraim tib yam dawb -radical- scavenging txoj cai - lawv tsuas yog ib lub tsheb thauj khoom ntau dua, soluble ntau dua rau tib pab pawg phenol.
Synergy nrog ZDDP thiab amine AO:High-MW phenolic ester AOs yog thawj cov tshuaj tua kab mob (radical scavengers) thiab ntxiv ZDDP (secondary AO, hydroperoxide decomposer) thiab diphenylamine-hom amine AOs (tseem yog thawj AOs tab sis ntawm kev sib txawv radical mechanism nrog zoo siab -temp stability). Nyob rau hauv ib tug tag nrho formulated ntev -drain hluavtaws cav roj (API SP, ACEA C3, 30,000 km ntws), ib tug raug AO "pawg" yog: siab-MW phenol ester (0.3–0.6 wt%) + amine AO (0.2–0.4 wt%).ZDDP (7%). phenol ester npog qhov nruab nrab-kub radical{19}}scavenging qhov rais; cov amine AO npog ntau dua -kub; ZDDP rhuav tshem hydroperoxides. Qhov no peb -cov khoom sib koom ua ke AO txoj hauv kev yog tus qauv kev lag luam rau kev hwm ntev - cov qauv tsim tawm.
| Khoom | L01-Tib | L57 - ib | HP-136-Type |
|---|---|---|---|
| Daim ntawv | Waxy khoom / kua | Cov kua nplaum | Ua kua |
| Xim | Tawm -dawb / lt. daj | Lub teeb - amber | Lub teeb daj-amber |
| MW (g / mol) | ~531 | 700–1000+ | ~484–600 |
| MP/Pour Pt. | 49-54 degree | <–5°C (liquid) | <0°C (liquid) |
| KV @ 40℃(cSt) | N/A (tsis muaj) | 200–800 | 100–250 |
| Flash Point | >200 degree | >200 degree | >180 degree |
| ★ Volatility @ 150 degree | Tsawg heev | Tsis tsim nyog | Tsawg |
Technical Specification
Active phenolic ester cov ntsiab lus los ntawm GC / HPLC; Kev cai purity tiers muaj (Ntau dua lossis sib npaug rau 95%, Ntau dua lossis sib npaug rau 98%, Ntau dua lossis sib npaug rau 99%); paub meej nrog COA rau ntau
✅ Tsis muaj tshauv tiag tiag - C/H/O formula nkaus xwb; xoom hlau, xoom S / P; unconditional SAPS ua raws; DPF, GPF, TWC tau tshaj txhua tus nqi kho mob
High flash point (vs BHT 127 degree, 2,6-DTBP ~ 114 degree) - cais raws li cov kua hluav taws xob, tsis yog nplaim taws; yooj yim cia thiab thauj; tsis muaj ADR flammable kua txwv rau kev ntim khoom
Lub teeb daj rau amber - tsaus dua BHT/DTBP (xav kom siab dua -MW ester khoom); xim tsis cuam tshuam rau kev ua haujlwm antioxidant; tob xim av/dub qhia tias degradation - tsis lees paub
| Parameter | L01-Tib | L57 - ib | HP-136-Type | Txoj Kev Xeem |
|---|---|---|---|---|
| Qhov tshwm sim | Tawm -dawb waxy khoom lossis kua | Amber viscous kua | Lt. daj kua | Pom kev |
| Purity (GC/HPLC) ★ | Ntau dua lossis sib npaug li 98.0% | Ntau dua lossis sib npaug li 98.0% | Ntau dua lossis sib npaug li 98.0% | GC lossis HPLC cheeb tsam % |
| ★ MW (g/mol) | ~531 | 700–1000+ | 484–600 | MS / GPC |
| Lub ntsiab lus ✅ | 0% | 0% | 0% | ASTM D 482 2 |
| ★ Flash Point | Ntau tshaj lossis sib npaug li 200 degree | Ntau tshaj lossis sib npaug li 200 degree | Ntau dua lossis sib npaug li 180 degree | ASTM D93 (PM) Kev Ntsuas |
| KV @ 40℃(cSt) | N/A (tsis muaj) | 200–800 | 100–250 | ASTM D 445 3 |
| Acid Tus nqi (mgKOH / g) | Tsawg dua los yog sib npaug rau 1.0 | Tsawg dua los yog sib npaug rau 2.0 | Tsawg dua los yog sib npaug li 1.5 | ASTM D 974 Cov khoom siv |
| Cov ntsiab lus dej (KFT) | Tsawg dua lossis sib npaug li 0.10% | Tsawg dua lossis sib npaug li 0.10% | Tsawg dua lossis sib npaug li 0.10% | Karl Fischer |
| Ntim | 25 kg drum | 25 / 200 kg nruas, 1000 L IBC | 25 / 200 kg nruas, 1000 L IBC | - |
Daim Ntawv Thov & Kev Qhia Txog Kev Siv Tshuaj
1. Ntev-Drain Engine Oils & Synthetic Lubricants
High-MW phenolic ester AOs are the backbone primary antioxidant in modern long-drain engine oil formulations (API SP-GF-6, ILSAC GF-6A/B, ACEA C3 VW 508/509, BMW LL-04, MB 229.5/229.51). The L01-type at 0.3–0.6 wt% is the standard inclusion in a full AO stack (+ amine AO 0.2–0.4 wt% + ZDDP 0.7–1.2 wt%) for 15,000–30,000 km drain intervals. RULER depletion studies confirm that L01-type maintains >60% ntawm thawj AO cia ntawm 15,000 km hauv PCMO 5W-30, thaum BHT nyob rau hauv tib yam kev mob feem ntau<20% - demonstrating the 3–5× longer service life contributed by the higher MW. The L57-type (liquid, ambient-pourable) is preferred in PAO/ester synthetics where the ester backbone of L57 provides better compatibility with the synthetic base stock polarity, reducing the risk of additive separation at low temperatures.
2. Muaj Turbine & Hydraulic Roj
In turbine oils (IEC 60296, ASTM D3487, DIN 51515), hydraulic oils (ISO VG 32–100, Denison HF-0, Vickers M-2950-S), and industrial circulating oils (ASTM D943 TOST, D2272 RPVOT tests), the low-volatility profile of high-MW phenolic esters directly translates to better RPVOT oxidation induction time and longer TOST hours. The L01-type at 0.1–0.3 wt% (alone or with BHT 0.2 wt% for immediate radical coverage) achieves ASTM D2272 RPVOT values >2000 feeb nyob rau hauv pab pawg III/PAO puag turbine roj sib tov - tus qauv benchmark rau ntev -lub neej turbine roj. HP-136-hom nrog nws cov viscosity qis yog nyiam nyob rau hauv low-viscosity hydraulic roj (ISO VG 32 / VG 46) qhov twg L57 lub siab viscosity yuav cuam tshuam cov roj tiav cov kinematic viscosity specification.
3. Greases & High -Tsub Tshwj Xeeb
Nyob rau hauv lithium complex, calcium sulfonate complex, thiab siab - kub hluavtaws roj (kev khiav hauj lwm kub -30℃rau +200 degree), tsis yog -volatile, tsis yog-migrating xwm ntawm siab-MW phenolic esters yog qhov tseem ceeb. BHT lossis DTBP hauv cov roj tuaj yeem evaporate los ntawm cov roj matrix dhau sijhawm - tshwj xeeb tshaj yog nyob rau hauv qhib lossis ib nrab-cov kabmob uas muaj cov kabmob uas muaj qhov kub thiab txias. L01-hom lossis L57-hom, nrog rau qhov tsis txaus ntseeg vapor pressures, nyob twj ywm hauv cov roj theem roj hauv lub neej ua haujlwm roj. Pab pawg ester kuj muab cov roj me me khaws cia / cov txiaj ntsig zoo sib xws hauv ester thiab PAO hluavtaws roj hauv paus. Hom kev kho mob: 0.1-0.3 wt% hauv cov roj tiav.
4. Transformer Roj, Aviation & Compressor Lubricants
Transformer thiab hluav taws xob insulating roj (IEC 60296, IEC 62770 ester fluids) yuav tsum muaj cov hmoov tshauv antioxidants kom tsis txhob muaj cov kab mob sib kis ntawm cov khoom nruab nrab insulating. Siab -MW phenolic esters (L01, L57) ua tau raws li qhov yuav tsum tau ua tiav. IEC 60296 Edition 4 (2012) transformer roj specification tso cai BHT ntawm 0.08–0.40 wt% raws li thawj AO - txawm li cas los xij, rau bio-raws li thiab hluavtaws ester transformer fluids (IEC 62770), L57- hom zoo dua ntawm 0.3t - ntev persistence (ntau- xyoo transformer kev pab cuam lub neej ntawm 20-40 xyoo). Rau aviation turbine lubricants (MIL-PRF-23699, MIL-PRF-7808) kev khiav hauj lwm ntawm 175-250℃tej roj kub kub, tsuas yog siab tshaj -MW phenolic ester qib nrog negligible oxidative kev xav tau ntawm thermal stability D2272, FTMS 791 Txoj Kev 5308). Hydrogen thiab high-pressure gas compressor roj kuj tau txais txiaj ntsig los ntawm xoom-volatility ash-dawb profile.
| Daim ntawv thov | Kho tus nqi | Pom zoo Qib | Ntsiab Standard / Test |
|---|---|---|---|
| Ntev - tso tawm PCMO cav roj (15, 000+ km) | 0.3 ~ 0.6 hli | L01-hom (+ amine AO) | Seq. IIIGH, ILSAC GF-6, ACEA C3, RULER depletion |
| PAO/ester hluavtaws lubricant | 0.3-0.8 hli | L57- hom (kua, ester-tshaj) | ASTM D2272 RPVOT, D943 TOST, D6186 PDSC |
| Turbine roj (ISO VG 32-100) | 0.1-0.3 hli | L01-hom lossis HP-136 | IEC 60296, ASTM D3487, D2272 (>2000 min) |
| Hydraulic roj (ISO VG 32-68) | 0.1-0.3 hli | HP-136-hom (tsawg viscosity) | Denison HF-0/2, Vickers M-2950-S, DIN 51524-2/3 |
| Roj (Li{0}}complex, CaSO₃ complex) | 0.1 ~ 0.5 hli | L01 los yog L57 | ASTM D3527 (cov kabmob lub neej), D942 (oxidation stability) |
| Transformer / insulating roj | 0.05-0.2 hli | L57-hom (ashless, tsis tshua muaj volatility) | IEC 60296, IEC 62770 (Bio / hluavtaws ester fluids) |
| Aviation / siab -temp hluavtaws roj | 0.2-1.0 hli | L57-hom (MW siab tshaj) | MIL -PRF-23699, MIL-PRF-7808, ASTM D2272 |
Cov lus nug nquag
Q: Dab tsi yog qhov txiaj ntsig tseem ceeb ntawm L01-hom vs BHT hauv cov qauv roj cav - quantitatively?
Qhov tseem ceeb tshaj plaws kom muaj nuj nqis yogAO persistence nyob rau hauv lub caij nplooj ntoos hlav, ntsuas los ntawm RULER voltammetry (oxidation induction hauv cov roj siv). Nyob rau hauv ib tug raug PCMO 5W-30 PAO/Group III muab formulated nrog sib npaug molar AO ntsiab lus: ntawm 15,000 km siv roj sampling, BHT-raws li formulations feem ntau qhia<20% AO reserve remaining (80%+ depletion, primarily by evaporation and consumption), while L01-type phenolic ester formulations retain 50–70% AO reserve at the same drain point. This 3–5× persistence advantage directly translates to either: (a) ntev dej ntuntawm tib tus nqi kho thawj zaug; los yog (b)qis kho tus nqinyob rau tib lub sij hawm ntws (nqi txuag). Ib qho txiaj ntsig thib ob yog qhov kev txhim kho ~ 10-15% hauv ASTM D2272 RPVOT induction lub sij hawm ntawm qhov sib npaug ntawm cov nqi kho mob - L01's ester qauv muab cov roj zoo dua me ntsis-theem faib, ua kom muaj kev sib cuag ntawm AO molecules thiab peroxyl radicals thoob plaws hauv cov roj ntim.
Q: Kuv yuav ua li cas yaj L01-hom (waxy khoom) hauv kuv cov roj sib tov?
L01-hom (MP 49-54 degree) yaj yooj yim hauv cov roj sov. Cov txheej txheem dissolution pom zoo:(1) Kub lub hauv paus roj sib tov rau 60-70 degree(tsuas yog siab dua qhov L01 melting point - tsis tas yuav tsum tshaj 80 degree);(2) Ntxiv L01 flakes / pellets maj mam nyob rau hauv nruab nrab agitation; Kev sib cais feem ntau ua tiav hauv 15-30 feeb ntawm 60 degree.(3) Cia qhov sib tov kom txias- L01 tseem yaj tag nrho (tsis rov-crystallise) hauv cov ntxhia lossis hluavtaws roj saum toj -10℃ntawm cov nqi kho mob tsawg dua lossis sib npaug li 1.0 wt%. Rau kev sib xyaw cov nroj tsuag tsis muaj cov khoom siv cua sov siab, lubL57-type lossis HP-136-hom kua qibyog qhov zoo dua - lawv tau puv puv ntawm qhov chaw nyob (25 degree) thiab yaj tam sim ntawd yam tsis muaj preheating kauj ruam. Sinolook tuaj yeem qhia txog kev xaiv qib raws li koj cov khoom sib xyaw tshwj xeeb thiab cov txheej txheem ntsuas kub.
Q: Kuv puas tuaj yeem ua ke siab -MW phenolic ester AO nrog ZDDP thiab amine antioxidants hauv tib lub qauv?
Tau - thiab qhov no yog txoj hauv kev pom zoo rau ntev -kho cov roj cav thiab cov roj ua lag luam. High -MW phenolic esters (thawj AO, radical scavenger) yogtau tshaj ZDDP(secondary AO, hydroperoxide decomposer) thiabnrog diphenylamine los yog phenyl{0}}naphthylamine amine antioxidants (also primary AO, but operating via a different radical mechanism with better performance at temperatures >160℃qhov twg phenolic AOs thermally noj sai dua). Peb -cov khoom AO pawg - phenolic ester + amine AO + ZDDP - muab tag nrho cov kev pabcuam oxidation ntawm txhua theem kub: phenolic ester npog nruab nrab kub radical scavenging; amine AO npog siab -kub (150–200 degree) radical scavenging; ZDDP rhuav tshem hydroperoxides ua ntej lawv rov- pib cov saw tshiab. Tsis muaj kev sib cuam tshuam kev sib cuam tshuam ntawm peb hom AO no ntawm cov nqi roj nplua nyeem. Kev sib xyaw ua ke tshwj xeeb thiab kho tus nqi rau kev tsim kho yog muaj los ntawm peb pab neeg ua haujlwm.
Technical & Regulatory References
GC/HPLC (purity Ntau dua lossis sib npaug li 98%) · ASTM D482 (ash=0%) · ASTM D93 (flash point Ntau dua lossis sib npaug li 180 degree) · ASTM D445 (KV, qib kua) · ASTM D974 (acid value) · KFT (dej tsawg dua 0%).ASTM D2272 RPVOT (oxidation induction - core Performance test for turbine/industrial oils)· ASTM D943 TOST (kev lag luam roj oxidation, 1000+ teev) · ASTM D6186 PDSC (siab sib txawv scanning calorimetry - ceev OIT kev tshuaj ntsuam) · RULER voltammetry (AO reserves xyuas nyob rau hauv siv cav roj, ASTM D6971) · Sequence · oilM III (GASTine) D3527 (grease bearing life) ASTM D942 ( roj oxidation)
Cov roj cav:API SP · GF-6A/B (ILSAC) · ACEA C2/C3/C5 (SAPS-free at any treat rate) · VW 508.00/509.00 · BMW LL-04 · MB 229.5/229.51/229.71 · GM dexos1 Gen 3 ·Cov roj muaj roj:IEC 60296 (transformer) · IEC 62770 (synthetic ester transformer) · ASTM D3487 · DIN 51515 · Denison HF-0/2 · DIN 51524-2/3 · ISO 4406 (kev huv) ·Roj:NLGI qib · ASTM D3527 ·Aviation:MIL-PRF-23699 · MIL-PRF-7808 · DEF STAN 91-101 ·Compressor:ISO VG 46/68/100 compressor roj qauv
✅ SAPS-dawb (C / H / O formula - xoom hlau, S, P) · ✅ Xoom tshauv (ASTM D482=0%) · ✅ REACH raws (cov khoom siv CAS 2082-79-3 sau npe, ref. L01- hom sib npaug li 10) · ✅ Roo HS point non-flammable (tsis muaj ADR Class 3 txwv rau IBC / nruas shipping) · Tsis yog khoom noj khoom haus-qib (kev lag luam roj nplua nyeem tsuas yog siv rau qib txheem) · COA, TDS, SDS (GHS) muab khoom xa tuaj
BHT (CAS 128-37-0) ✅- zaub mov- qib muaj peev xwm, MP 70 degree, MW 220 ·2,6-DTBP Mixture (CAS 14972-27-9) ✅- industrial + synthesis intermediate, MP 36 degree, MW 206 ·High MW Phenolic Ester Series ✅ (qhov no)- L01-type / L57-type / HP-136-type, MW 484–1000+, long-drain persistence → Complementary:Amine Antioxidant Series (tom ntej) · ZDDP Series ✅
High MW Phenolic Ester AO Series · L01-type / L57-type / HP-136-type · MW 530–1000+ · Purity Ntau dua lossis sib npaug li 98% · Tshauv 0% · FP Ntau dua lossis sib npaug li 180℃· SAPS-Dawb · 25 kg / 0 Lum 100 BC COA / TDS / SDS
Thov Kev Them Nqi, Kev Xaiv Qib & Kev Pabcuam
Qhia meej rau daim ntawv thov ( cav roj / turbine / hydraulic / roj / transformer / aviation), hom roj av (mineral / PAO / ester / PAG), lub sijhawm ntws, thiab qhov kub thiab txias profile. Peb yuav pom zoo rau qib zoo tshaj plaws (L01 / L57 / HP-136) thiab kho tus nqi. Kev cai MW lub hom phiaj thiab viscosity profiles muaj rau OEM DI pob txhim kho. Cov qauv (50-500 g) muaj. IBC khoom siv rau kev siv ntau.
Phenolic Antioxidants - Ua tiav Series:
BHT ✅ · 2,6-DTBP Sib tov ✅ · High MW Phenolic Ester Series ✅ (qhov no) → Tom ntej: Amine Antioxidants Series · ZDDP Series ✅ (ua tiav)
Cim npe nrov: Tuam Tshoj siab molecular phenolic ester antioxidants manufacturers, lwm tus neeg
