HDI Trimer CAS 28182-81-2|Poly (Hexamethylene Diisocyanate)|Tuam Tshoj Chaw tsim tshuaj paus
Khoom npe: Poly (Hexamethylene Diisocyanate) (HDI Trimer)
Synonym: HDI trimer, Polyisocyanate HDI, HDI isocyanurate, PU hardener
CAS Nr .: 28182-81-2
Molecular Formula: C₈H₁₂N₂O₂
Hom: Aliphatic polyisocyanate
NCO Content: 21.8 ± 0.3%
viscosity (25 degree): 2500 ± 750 mPa·s
Monomeric HDI: Tsawg dua lossis sib npaug rau 0.20%
Khoom siv: 100%
Ntim: 20 kg / 220 kg nruas
Lead Time: 3–7 days dispatch
Keeb kwm: Zhengzhou, Suav teb
Docs: COA & SDS
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HDI Trimer|Poly(Hexamethylene Diisocyanate) (CAS 28182-81-2)|Aliphatic PU Hardener|Tuam Tshoj Chaw tsim tshuaj paus
Aliphatic Polyisocyanate · Lightfast PU Hardener · Low-Monomer Qib · 100% Khoom
NCO CONTENT
21.8 ± 0.3%
Sib npaug wt. ~ 193
VISCOSITY (25 degree)
2500 ± 750 mPa · s
100% khoom
MONOMERIC HDI
Tsawg dua lossis sib npaug li 0.20%
Qib qis-monomer
Ntim
20 / 220 kg
Hlau nruas, kaw
Thov COA/SDS | Cov lus nug? Mus saib FAQ
Teb tsis pub dhau 12 teev · COA & SDS nrog txhua qhov khoom xa tuaj · Rau kev tshawb fawb thiab kev loj hlob siv nkaus xwb. Tsis yog siv rau tib neeg lossis kws kho tsiaj.
Khoom Muag Khoom: HDI Trimer (CAS 28182-81-2)
HDI trimmer, CAS28182-81-2, yog aliphatic polyisocyanate raws li hexamethylene diisocyanate cyclized rau hauv ib lub nplhaib isocyanurate. Nws yog muab raws li 100% solids - tsis muaj hnyav txiav. Alfa Chemical tsim cov qib no hauv Zhengzhou, Suav. Thaum crosslinked nrog hydroxyl-functional polyol (polyester, polyether, los yog acrylic polyol), nws tsim ib tug ob-tivthaiv polyurethane zaj duab xis uas nyob twj ywm meej thiab tsis daj nyob rau hauv UV raug, tsis zoo li aromatic MDI los yog TDI-raws li hardeners.
Formulators xaiv HDI trimer thaum sab nrauv durability thiab gloss retention teeb meem: automotive OEM thiab refinish clearcoats, industrial machinery finishes, yas coatings, thiab thauj topcoats. Cov qauv trimer muab kwv yees li 3.3 isocyanate pawg ib molecule, thiab peb cov ntsiab lus NCO ntawm 21.8 ± 0.3% txhais tau hais tias qhov sib npaug ntawm qhov hnyav li ntawm 193 g / eq - siv qhov no los teeb tsa koj NCO: OH piv (feem ntau 1.05–1.15 rau kev kho kom zoo).
Peb cov khoom lag luam tuav cov monomeric HDI tsawg dua lossis sib npaug ntawm 0.20% - zoo hauv qab 0.5% qhov pib uas txhais cov qib qis monomer, thiab ze rau 0.1% qib uas EU REACH kev cob qhia yuav tsum pib so. Xim tuav ntawm Hazen Tsawg dua los yog sib npaug li 40 kom clearcoats nyob hauv dej-dawb. Peb khiav 1,000+ tons / xyoo los ntawm peb lub chaw Zhengzhou, nrog rau cov COA tshwj xeeb ntawm txhua lub nruas.
Yog tias koj tab tom nrhiav qib HDI trimer qib thawj zaug lossis hloov cov neeg xa khoom, peb cov khoom xa tuaj ntawm tib tus lej CAS thiab NCO ntau yam siv thoob plaws hauv kev lag luam - thov ib tus qauv thiab khiav qhov kev sim me me hauv koj cov qauv uas twb muaj lawm. Nws tsis pom zoo rau cov ntoo sab hauv lossis cov ntawv ua haujlwm qis uas pheej yig dua aromatic hardener yuav ua.
Muaj kev siv ntawm HDI Trimer
Txhua daim ntawv thov hauv qab no qhia txog qhov teeb meem tiag tiag rau cov qauv ntawm HDI trimer uas daws nws.
🚗 Automotive OEM & Refinish Clearcoats
Teeb meem:Aromatic (MDI/TDI) clearcoats chalk thiab daj nyob rau hauv lub hlis ntawm sab nraum UV raug. Refinish khw xav tau ib zaj duab xis uas nyob twj ywm glossy thiab xim ruaj khov rau xyoo.
Yuav ua li cas HDI trimer pab:Lub aliphatic C6 saw tsis muaj lub nplhaib uas muaj ntxhiab los nqus UV thiab degrade. Crosslinked nrog acrylic polyol, nws muab siab DOI (qhov txawv ntawm cov duab), ntev gloss tuav, thiab nti tsis kam.
Qhov tshwm sim:Clearcoats uas tswj cov xim thiab gloss los ntawm kev ceev huab cua (QUV / UV) cycles tsis yellowing.
🏗️ Industrial & Transportation tiav
Teeb meem:Cov tshuab hnyav, tsheb ciav hlau, thiab cov thawv ntim khoom yuav tsum tiv taus roj, hydraulic kua, ntsev tsuag, thiab huab cua sab nraum zoov rau kaum xyoo lossis ntau dua.
Yuav ua li cas HDI trimer pab:Lub nplhaib isocyanurate muab thermal stability; crosslink ceev los ntawm ~ 3.3 NCO functionality muab tshuaj tiv thaiv. Ua ke nrog polyester polyol rau toughness.
Qhov tshwm sim:Topcoats nrog 1, 000+ teev ntsev-txhaj tshuaj tiv thaiv, zoo overcoatability, thiab ntev kev pab cuam lub neej.
🧴 Plastics & Specialty Coatings
Teeb meem:Txheej ntawm cov yas (ABS, PC, PVC, SMC) yuav tsum flex nrog lub substrate, tsis txhob tawg los yog tev nyob rau hauv thermal cycling.
Yuav ua li cas HDI trimer pab:Lub saj zawg zog C6 spacer ntawm isocyanurate rings muab elongation thiab adhesion rau yas nto thaum ua ke nrog ib tug sib haum hydroxy-functional acrylic.
Qhov tshwm sim:Slexible, weatherable topcoats rau cov neeg siv khoom siv hluav taws xob hauv tsev, tsheb sab hauv / sab nrauv, thiab cov khoom siv yas.
🌿 High-Solids & Low-VOC Systems
Teeb meem:VOC cov cai thawb cov qauv tsim kom txo cov kuab tshuaj. Cov txheej txheem hardener (75-90%) muaj cov kuab tshuaj ntau dhau rau hauv zaj duab xis.
Yuav ua li cas HDI trimer pab:Muab khoom ntawm 100% solids nrog viscosity nyob ib ncig ntawm 2,500 mPa·s, nws cia cov formulators tsim high-solids (Ntau tshaj los yog sib npaug rau 70% ntim solids) coatings tsis ntxiv hnyav rau sab hardener.
Qhov tshwm sim:Lower-VOC 2K polyurethane systems uas ua tau raws li EPA thiab lub cheeb tsam huab cua zoo txwv thaum tuav daim ntawv thov viscosity thiab kev ua yeeb yaj kiab.
HDI Trimer vs Lwm yam PU Hardeners: Yuav Xaiv Dab Tsi?
Thaum xaiv polyisocyanate crosslinker, thawj qhov kev txiav txim siab yog aromatic vs aliphatic. Cov lus hauv qab no piv cov hardeners formators feem ntau ntsuas. Viscosity thiab NCO cov nuj nqis yog ntau yam - paub meej nrog koj TDS ua ntej hloov kho.
| Yam khoom | HDI Trimmer | HDI Bioret | IPDI Trimmer | MDI/TDI (Aromatic) |
|---|---|---|---|---|
| UV / huab cua | Zoo heev (aliphatic) | Zoo heev (aliphatic) | Zoo heev (aliphatic) | Poor (daj) |
| NCO content | ~21.8% | ~23% | ~17% | ~ 31% (MDI monomer) |
| Viscosity (25 degree) | 2,500 ± 750 mPa · s | ~ 1,800–3,000 mPa·s | ~ 700–1,000 mPa·s | Nws txawv |
| Hardness / yooj | Sib npaug | Yooj yim dua me ntsis | Nyuaj, ntau chemically resistant | Nyuaj, nkig |
| Tus nqi theem | Hwm | Hwm | Siab dua | qis |
| Zoo tshaj rau | Auto clearcoat, industrial topcoat | Flexible coatings, textiles | High-hardness, tsawg-visc. tshuab | Sab hauv, primers, nqi-tsav |
Technical Specifications
Cov txiaj ntsig zoo rau cov kuab tshuaj tsis muaj HDI trimer. Batch-specific COA teev qhov tseeb ntsuas NCO, viscosity, xim, thiab monomer cov ntsiab lus rau txhua lub nruas. Xav tau monomer nruj dua (tsawg dua lossis sib npaug li 0.1%) lossis qib qis-viscosity? Qhia rau peb paub koj lub hom phiaj.
| Yam khoom | Specification |
|---|---|
| Khoom npe | Poly (Hexamethylene Diisocyanate) - HDI Trimer |
| Synonyms | HDI isocyanurate; Polyisocyanate raws li HDI; PU tawv hardener |
| CAS Nr | 28182-81-2 |
| Hom tshuaj | Aliphatic polyisocyanate (isocyanurate trimer) |
| Qhov tshwm sim | Colorless rau me ntsis daj ntshiab kua |
| NCO Content | 21.8 ± 0.3 % |
| Qhov hnyav sib npaug | ~ 193 g/m² |
| Viscosity (25 degree) | 2500 ± 750 mPa · s |
| Xim (Hazen / APHA) | Tsawg dua los yog sib npaug li 40 |
| Monomeric HDI | Tsawg dua lossis sib npaug li 0.20% |
| Cov ntsiab lus | 100% |
| Ceev (25 degree) | ~ 1.16 g / ml |
| Flash Point (lub khob kaw) | ~ 158 degree |
| Moisture Sensitivity | Reacts nrog dej - khaws cov nruas kaw thiab qhuav |
| Cia | kaw, qhuav, 5-30 degree; deb ntawm ya raws thiab cua sov |
| Txee lub neej | 12 lub hlis (sau, ntim thawj) |
| Ntim | 20 kg / 220 kg steel nruas (kev cai muaj) |
Cov ntaub ntawv zoo
📄 COA (Pib Batch)
Txhua lub nruas nkoj nrog batch-specific COA teev qhov tseeb ntsuas NCO cov ntsiab lus, viscosity, Hazen xim, thiab monomeric HDI - tsis yog generic spec ranges.
📋 SDS (GHS Format)
GHS-raws li SDS hauv lus Askiv suav nrog kev faib cov phom sij (HDI monomer raug), pab thawj zaug, tuav, cia, PPE, thiab tshuaj lom neeg. Muaj nyob ntawm kev thov.
🔬 Batch Traceability
Txhua lub nruas nqa ib tus lej tshwj xeeb khi rau cov khoom siv raw, trimerization khiav, thiab QC cov txiaj ntsig. Cov qauv khaws cia khaws cia rau 12 lub hlis.
Kev tsim khoom & Kev Tswj Xyuas Zoo ntawm Peb Lub Chaw Zhengzhou
HDI trimer yog tsim los ntawm peb lub chaw Zhengzhou los ntawm catalytic trimerization ntawm hexamethylene diisocyanate, ua raws li nyias zaj duab xis evaporation rau strip unreacted monomer. Muaj peev xwm txhua xyoo: 1, 000+ metric tons.
Kev tshem tawm Monomer
Nyias-film evaporation tom qab trimerization coj dawb HDI monomer kom tsawg dua los yog sib npaug rau 0.20% - theem uas tseem ceeb rau applicator kev nyab xeeb thiab REACH ua raws.
QC Test Methods
NCO per dibutylamine back-titration (ISO 11909); viscosity los ntawm Brookfield; xim los ntawm Hazen/APHA; monomer los ntawm GC.
Batch Consistency
Kaw-loop catalysis thiab standardized evaporation cycles khaws NCO nyob rau hauv ± 0.3% thoob plaws nruas. Cov qhab nia nruj dua muaj rau cov nyiaj tsim nyog.
Ntim & Shipping
HDI trimer yog noo noo-reactive. Txhua lub nruas yog kaw nyob rau hauv qhuav nitrogen nrog ib tug desiccant vent plug. Drums nqa GHS cov duab phom sij (GHS07, GHS08 rau kev ua pa ua pa) thiab cov lus qhia tuav.
Muaj Drums
20 kg / 220 kg net
Nruas steel drums, N₂ pam
Lab Cov Qauv
250 g / 1 kg / 5 kg fwj
Sealed, qhuav-packed
Lub Sijhawm Lead
3-7 hnub ua hauj lwm los ntawm Tshuag
Tej daim ntawv cog lus negotiable
Kev xa khoom thoob ntiaj teb
DHL / FedEx (cov qauv)
Huab cua & hiav txwv freight (bulk)
Vim li cas thiaj xaiv Alfa Tshuaj
Peb tsim khoom hauv tsev - peb tsis tsuas yog muag cov khoom lag luam xwb. Qhov ntawd txhais tau tias thaum koj txoj kab xav tau kev tswj hwm monomer nruj dua lossis hloov kho viscosity, peb tuaj yeem hloov kho cov txheej txheem trimerization es tsis txhob qhia koj ua haujlwm nrog dab tsi ntawm lub txee.
🏭 1, 000+ Tons/Xyoo
Dedicated polyisocyanate kab. Peb ntsuas nrog koj ntim, tsis yog qhov muag-muag nruas.
📊 Tight NCO Control
NCO tuav ntawm 21.8 ± 0.3% txhua batch. Qhov koj sim ntawm cov qauv theem yog qhov koj tau txais hauv cov nruas ntau.
📄 Cov Ntaub Ntawv Tag Nrho
COA nrog qhov ntsuas qhov tseeb ntawm txhua qhov khoom xa tuaj. SDS, TDS, thiab cov qauv ntaub ntawv ua ntej koj cog lus.
💬 Formulation Support
Qhia rau peb koj tus nqi polyol OH thiab lub hom phiaj zaj duab xis. Peb yuav xam cov NCO:OH piv thiab pom zoo catalyst - los yog qhia rau koj tias nws tsis yog qhov nyuaj hardener.
Cov lus nug nquag
HDI trimer yog aliphatic polyisocyanate hardener rau ob lub ntsiab lus polyurethane txheej. Nws crosslinks nrog hydroxyl-functional polyols (acrylic, polyester, polyether) tsim lightfast, weatherable films siv nyob rau hauv automotive clearcoats, industrial finishes, yas coatings, thiab high-khoom topcoats.
Use the NCO:OH equivalent ratio. Hardener phr=(polyol OH nqi × hardener equivalent weight × NCO:OH ratio) ÷ 561. Peb qhov hnyav sib npaug yog ~ 193 g/eq. Typical NCO: OH ratio is 1.05–1.15 for optimum cure. Qhia rau peb koj tus nqi polyol OH thiab peb yuav xam tus nqi pes tsawg rau koj.
Dawb HDI monomer yog lub tshuab ua pa. Peb qhov tsawg dua lossis sib npaug ntawm 0.20% yog qis dua 0.5% kev lag luam pib rau cov qib qis-monomer, txo cov neeg thov kev cuam tshuam thiab pab ua raws li REACH thiab OSHA kev txwv txoj haujlwm. Ib txwm siv PPE thiab qhov cua tsis hais.
Tag nrho peb yog aliphatic thiab tsis daj. HDI trimer (isocyanurate) muaj qhov zoo tshaj plaws sib npaug ntawm hardness, yooj, thiab nqi. HDI biuret yog hloov tau me ntsis. IPDI trimer muab cov yeeb yaj kiab nyuaj ntawm qis viscosity tab sis raug nqi ntau dua. Xaiv raws li koj lub hom phiaj zaj duab xis thiab pob nyiaj siv.
Nws crosslinks nrog ib qho hydroxyl-functional polyol: acrylic polyols rau automotive clearcoats, polyester polyols rau industrial topcoats, thiab polyether polyols rau saj zawg zog los yog corrosion-resistant systems. Tsis txhob sib xyaw nrog dej, noo noo, lossis cov kuab tshuaj uas muaj cov tshuaj hydrogen (piv txwv li, cawv) kom txog thaum koj npaj txhij los tshuaj tsuag - lawv yuav hnov mob nrog NCO thiab ua kom lub neej luv.
Khaws cov nruas nruj nreem kaw hauv qab nitrogen qhuav ntawm 5-30 degree. Moisture reacts nrog NCO pab pawg thiab cov ntaub ntawv CO₂ thiab urea - kaw nruas tuaj yeem bulge. Kev ntim khoom: 20 kg thiab 220 kg net sealed steel nruas nrog nitrogen blanketing. Lab sim: 250 g, 1 kg, lossis 5 kg fwj. Tshuag xaj xa tuaj hauv 3-7 hnub ua haujlwm. COA nkoj nrog txhua qhov kev txiav txim; cov qauv COA thiab SDS muaj nyob ua ntej yuav khoom. Cov qauv tshawb fawb tuaj yeem raug xa mus rau kev ntsuas kev ntsuas.
Xav tau tus nqi lossis tus qauv rau HDI Trimer (CAS 28182-81-2)?
Teb hauv 12 teev. COA & SDS nrog txhua yam khoom xa tuaj.
Cov peev txheej ntsig txog
Yam khoom Isocyanate
Polymeric MDI / PAPI (CAS 9016-87-9)
Kev them nyiaj yug & Cov ntaub ntawv
Hais txog Alfa Chemical
Alfa Chemical Co., Ltd yog nyob rau hauv Zhengzhou, Suav. Peb tsim polyisocyanate hardeners, epoxy reactive diluents, thiab cov khoom siv tshwj xeeb tshuaj rau R & D thiab cov neeg siv khoom thoob ntiaj teb. Rau cov ntaub ntawv lossis kev txhawb nqa, mus saib pebhu rau nplooj ntawv.
R & D tsuas yog siv:Rau kev tshawb fawb thiab kev tsim kho tsuas yog siv xwb. Tsis yog siv rau tib neeg lossis kws kho tsiaj.
Cim npe nrov: HDI Trimer CAS 28182-81-2|Poly (Hexamethylene Diisocyanate)|Tuam Tshoj Chaw tsim tshuaj paus, nqe, hais, luv nqi, hauv Tshuag, kev muag khoom
