Qhov nrov tshaj plaws Direct Fast Dub G rau dyeing ntawv
Khoom Specification
| Lub npe | Direct Fast Dub G |
| Lwm Lub Npe | Direct dub L-3RQ |
| Lwm Lub Npe | Direct Dub 19 |
| Cas No. | 6428-31-5 |
| Qhov tshwm sim | Cov hmoov dub |
| Ntim | 25KGS PP Hnab / Kraft Hnab / Carton Box / Hlau Nruas |
| Lub zog | 100%, conc150% |
| Daim ntawv thov | Feem ntau yog siv rau dyeing paj rwb, viscose fiber, kuj siv tau rau tawv, txhob lo lo ntxhuav, ntawv thiab lwm yam. |
Kev piav qhia
Cov ntaub ntawv raw ntawm ncaj qha ceev ceev G yog m-phenylenediamine, p-nitroaniline thiab H acid.Ua ntej, p-nitroaniline yog diazotized, thiab ces thawj coupling nrog H acid yog nqa tawm nyob rau hauv lub weakly acidic nruab nrab.Tom qab ntawd qhov kev sib txuas thib ob nrog H acid tau ua nyob rau hauv cov xwm txheej tsis muaj zog.Tom qab ntawd siv alkali sulfide los txo cov nitro, thiab diazotization, thiab m-phenylenediamine rau cov khoom sib txuas thib peb.Tom qab salting tawm, lim, ziab, sib tsoo cov khoom tiav.
Khoom cim
Cov khoom cim ntawm Direct Fast Black G suav nrog:
Lub cev daim ntawv: Dub hmoov., zoo heev solubility dej, nws aqueous tov yog ntsuab dub, ntxiv 10% sulfuric acid xim yog liab me ntsis;ntxiv concentrated alkali tov yog greenish xiav.Me ntsis soluble hauv ethanol, acetone.Nws yog ntsuab dub nyob rau hauv concentrated sulfuric acid thiab ua liab dub precipitate tom qab dilution;nws yog xim av tsaus nyob rau hauv concentrated nitric acid.Me ntsis ntsuab thaum stained nrog tooj liab ions, me ntsis hloov thaum stained nrog hlau ions.Mainly siv rau dyeing paj rwb, viscose fiber, kuj siv tau rau tawv, txhob lo lo ntxhuav, ntawv thiab lwm yam.
Cov yam ntxwv tseem ceeb
Cov yam ntxwv tseem ceeb ntawm Direct Black muaj xws li:
A.Direct dub 19 yog ib qho ntawm cov xim dub loj.Nws yog tsuas yog siv rau dyeing thiab luam ntawv ncaj qha ntawm paj rwb, viscose fiber thiab paj rwb, viscose fiber thiab txhob lo lo ntxhuav, wool interwoven blended fabrics.
B. Direct ceev ceev dub G feem ntau dyed dub, luam ntawv feem ntau yog siv rau hauv grey thiab dub, tab sis kuj nrog xim av dyestuff mus rau ntau yam sib txawv depths ntawm kas fes thiab lwm yam xim, ib tug me me npaum li cas rau toning lub teeb, kom cov xim spectrum.Thaum dyeing wool viscose fiber blended fabrics, nws tuaj yeem dyed hauv tib da dej nrog nruab nrab dub BRL kom tau cov xim sib xws.Nws tuaj yeem raug dyed nrog disperse dyestuff hauv tib da dej nrog polyester viscose blended fabrics.
C. Tus nqi dyeing yog qhov zoo, tab sis qhov kev hloov pauv dyeing yog me ntsis zuj zus.Tom qab dyeing, nws tuaj yeem kho nrog kho tus neeg saib xyuas Y thiab kho tus neeg sawv cev M, tab sis lub teeb xim yog ntsuab me ntsis.
Txhais nrog www.DeepL.com/Translator (dawb version)
Daim ntawv thov
Nws yog feem ntau siv rau dyeing ntawv, Nws kuj siv tau rau dyeing rayon txhob lo lo ntxhuav thiab ntaub plaub li ntawd.
Ntim
25KGS PP Hnab / Kraft Hnab / Carton Box / Hlau Nruas
Cia & Tsheb thauj mus los
Cov khoom yuav tsum tau muab cia rau hauv qhov ntxoov ntxoo, qhuav thiab zoo-ventilated warehouse.Tsis txhob tiv tauj nrog oxidizing tshuaj thiab combustible organic tshuaj.Khaws nws deb ntawm tshav ntuj ncaj qha, tshav kub, sparks thiab qhib nplaim taws.Ua tib zoo tuav cov khoom thiab tsis txhob ua puas lub pob.
