Qhov sib txawv tseem ceeb ntawm hardener thiab thinner yog cov hardeners muaj txiaj ntsig hauv kev ua kom cov xim latex tshuav, hos cov thinners muaj txiaj ntsig hauv kev ua cov xim sib kis tau yooj yim.
Hardeners thiab thinners yog cov khoom uas ua haujlwm tawm tsam ib leeg. Lub hardener yog ib yam khoom uas ntxiv rau cov khoom tawv tawv, xws li cov xim pleev xim lossis cov kua roj vanish. Lub thinner yog cov kua tsis hloov pauv uas muaj txiaj ntsig zoo hauv cov xim pleev xim.
Dab tsi yog Hardener?
Ib lub hardener yog ib yam khoom uas ntxiv rau harden lwm yam khoom, xws li xim los yog kua roj vanish. Peb tuaj yeem siv lub hardener hauv qee qhov sib xyaw kom yooj yim kom muaj zog ntawm qhov sib tov thaum nws teeb tsa. Txawm li cas los xij, qee zaum peb siv hardeners hauv lwm cov khoom sib xyaw ua ib qho khoom siv kho. Tsis tas li ntawd, lub hardener tuaj yeem ua raws li cov reactant los yog catalyst thaum lub sij hawm cov tshuaj tiv thaiv uas tshwm sim thaum lub sij hawm sib tov. Peb kuj tuaj yeem hu rau lub hardener lub accelerator.
Muaj ntau hom tawv tawv, xws li aliphatic thiab aromatic amines, anhydrides, thiab polyamides. Feem ntau, hardener molecules yog me dua piv rau resin molecules. Yog li ntawd, hardeners muaj viscosities tsawg.
Ntxiv mus, polyamine hardener yog tsim los ntawm cov organic molecules uas muaj ob lossis ntau pawg amine. Hauv cov xim, peb siv cov xim tawv tawv los ua kom cov xim latex tshuav. Tom qab ntawd tsis muaj teeb meem hauv kev siv cov xim.
Ntxiv rau cov xim, peb tuaj yeem siv cov tawv tawv hauv pob zeb. Pob zeb hardeners yog dej-raws li impregnating thiab hardening sealers muaj qhov zoo, thiab lawv tau tsim los kom ceev thiab yooj yim rau cov neeg kho tshuab sanding thiab polishing ntawm cov pob zeb hauv pem teb.
Thiab yog dab tsi?
Ib lub thinner yog cov kua tsis hloov pauv uas muaj txiaj ntsig zoo hauv cov xim pleev xim. Cov feem ntau ntawm cov thinners yog lacquer thinner. Lacquer thinner yog ib hom cellulose thinner uas feem ntau yog sib xyaw ntawm cov kuab tshuaj. Nws muaj peev xwm yaj nyob rau hauv ib tug xov tooj ntawm txawv resins los yog yas uas yuav pab tau nyob rau hauv niaj hnub lacquer. Yav dhau los, lacquer thinners nquag muaj alkyl esters xws li butyl lossis amyl acetate, ketones xws li acetone los yog methyl ethyl ketone, aromatic hydrocarbons (xws li, toluene), ethers (xws li glycol cellosolves), thiab cawv.
Txawm li cas los xij, niaj hnub lacquer thinners yuav tsum ua raws li VOC cov cai. Feem ntau, cov qauv no muaj acetone nrog rau me me ntawm cov kuab tshuaj tsw qab.
Qhov txawv ntawm Hardener thiab Thinner yog dab tsi?
Ib lub hardener yog ib yam khoom uas ntxiv rau harden lwm yam khoom, xws li xim los yog kua roj vanish. Meanwhile, ib tug thinner yog ib tug volatile kua uas yuav pab tau nyob rau hauv lub thinning xim. Yog li ntawd, ob yam khoom no muaj lub luag haujlwm tawm tsam. Yog li, qhov sib txawv tseem ceeb ntawm hardener thiab thinner yog lawv txoj haujlwm yooj yim; hardeners yog pab tau nyob rau hauv solidifying tshuav latex xim, whereas thinners yog pab tau nyob rau hauv ua ib tug xim kis tau yooj yim. Hauv lwm lo lus, hardeners ua rau nws nyuaj rau kev sib kis cov xim thaum thinners ua kom yooj yim rau kis cov xim.
Cov hauv qab no infographic nthuav tawm qhov sib txawv ntawm hardener thiab thinner hauv daim ntawv tabular rau ib sab ntawm kev sib piv.
Summary – Hardener vs Thinner
Hardeners thiab thinners yog cov khoom tseem ceeb hauv kev tsim kho thiab lwm yam kev lag luam. Lawv feem ntau ua cov luag haujlwm uas tsis sib haum rau ib leeg. Yog li ntawd, qhov sib txawv tseem ceeb ntawm hardener thiab thinner yog tias hardeners muaj txiaj ntsig zoo hauv kev ua kom cov xim latex, thaum thinners yog cov khoom uas muaj txiaj ntsig zoo rau cov xim sib kis tau yooj yim.
