Qeb: Kev lag luam Tech
Kev lag luam technology ntawm hmoov txheej, txheej, electrostatic painting, thiab lwm yam.
Qhov sib txawv ntawm Hmoov Txheej Vs Cov Txheej Txheem Txheej
PK Solvent Coatings Advantages Hmoov txheej tsis muaj cov kuab tshuaj organic, qhov no zam kev ua qias tuaj ib puag ncig los ntawm cov organic solvent coatings, hluav taws kub nyhiab thiab organic solvents pov tseg thiab ua mob rau tib neeg noj qab haus huv; hmoov txheej tsis muaj dej, qhov teeb meem dej paug tuaj yeem zam tau. Qhov tseem ceeb tshaj plaws yog tias cov tshuaj txau ntau dua tuaj yeem rov ua dua nrog kev siv tau zoo. Nrog rau kev ua haujlwm siab ntawm cov khoom siv rov qab, kev siv cov hmoov txheej yog txog 99%. Cov hmoov coatings muab siab.Nyeem ntxiv…
Thaum tshav kub kub hloov ntawm kub Dip Aluminizing txheej thaum lub sij hawm Solidification
Kub dip aluminizing txheej yog ib txoj hauv kev zoo tshaj plaws ntawm kev tiv thaiv nto rau steels thiab maj mam tau txais koob meej. Txawm hais tias qhov rub nrawm yog ib qho tseem ceeb tshaj plaws los tswj cov txheej txheej ntawm cov khoom siv aluminizing, txawm li cas los xij, muaj ob peb cov ntawv tshaj tawm ntawm kev ua lej ntawm kev rub nrawm thaum lub sij hawm kub dip txheej txheem. Txhawm rau piav qhia txog kev sib raug zoo ntawm kev rub ceev, txheej thickness thiab solidification lub sij hawm, lub hauv paus ntsiab lus ntawm huab hwm coj thiab kub hloov thaum lub sij hawmNyeem ntxiv…
Kawm txog Superhydrophobic Biomimetic Surfaces
Cov khoom saum npoo ntawm cov ntaub ntawv tseem ceeb heev, thiab cov kws tshawb fawb sim txhua hom kev kom tau txais cov ntaub ntawv nto nrog cov khoom xav tau. Nrog rau txoj kev loj hlob ntawm bionic engineering, cov kws tshawb fawb tau them nyiaj ntau ntxiv rau qhov chaw lom neeg kom nkag siab tias qhov xwm txheej tuaj yeem daws teeb meem engineering li cas. Kev tshawb nrhiav dav dav ntawm cov chaw lom neeg tau pom tias cov chaw no muaj ntau yam txawv txawv. Qhov "lotus-effect" yog ib qho tshwm sim uas tus natural nto qauv raws li daim ntawv qhia yog siv los tsimNyeem ntxiv…
Superhydrophobic Surface tuaj yeem npaj tau los ntawm ob txoj hauv kev
Cov neeg paub txog kev tu tus kheej lotus nyhuv rau ntau xyoo, tab sis tsis tuaj yeem ua cov khoom raws li cov nplooj nplooj nplooj. Los ntawm qhov xwm txheej, qhov raug superhydrophobic nto - txoj kev tshawb nrhiav pom tias nplooj nplooj, tsim nrog ib qho tshwj xeeb geometry ntawm roughness nyob rau hauv lub qis nto zog khoom nto plays lub luag hauj lwm tseem ceeb ntawm superhydrophobic.Raws li cov hauv paus ntsiab lus, cov kws tshawb fawb pib ua raws li qhov saum npoo no. Tam sim no, kev tshawb fawb ntawm ntxhib superhydrophobic nto tau ntau qhov kev pab cuam. Hauv general, superhydrophobic ntoNyeem ntxiv…
Kev ntxuav tus kheej ntawm Super Hydrophobic Surface
Wettability yog ib qho tseem ceeb feature ntawm cov khoom nto, uas yog txiav txim los ntawm cov tshuaj muaj pes tsawg leeg thiab morphology ntawm lub nto. Super-hydrophilic thiab super hydrophobic nto cov yam ntxwv yog cov ntsiab lus tseem ceeb ntawm kev tshawb fawb ntxeem tau. Lub superhydrophobic (dej-repellent) nto generally hais txog qhov chaw uas lub kaum sab xis ntawm dej thiab saum npoo yog siab dua 150 degrees. Tias tib neeg paub superhydrophobic nto yog feem ntau los ntawm cov nplooj nplooj - nplooj nplooj nplooj, "tus kheej tu" tshwm sim. Piv txwv li, cov tee dej tuaj yeem dov mus rau yobNyeem ntxiv…
Lub hauv paus ntsiab lus ntawm Hydrophobic / Super Hydrophobic Txheej
Pa sol-gel coatings tau npaj siv MTMOS thiab TEOS ua silane precursors los tsim ib tug du, meej thiab ntom organic / inorganic network ntawm ib tug txhuas alloy substrate. Cov txheej txheem zoo li no tau paub tias muaj qhov adhesion zoo heev vim lawv muaj peev xwm tsim Al-O-Si linkages ntawm txheej txheej / substrate interface.Sample-II hauv txoj kev tshawb no sawv cev xws li cov pa sol-gel txheej. Txhawm rau txo qis lub zog saum npoo, thiab yog li ua kom muaj dej ntau ntxiv, peb tau koom nrog organo-silane uas muaj fluorooctyl saw, ntxiv rau MTMOS thiab TEOS (piv txwv.Nyeem ntxiv…
Dab tsi yog cov kauj ruam ntawm steel coil txheej txheej txheem
Cov no yog cov kauj ruam yooj yim ntawm cov txheej txheem steel coil txheej txheej UNCOILER Tom qab kev tshuaj xyuas pom, txav lub kauj mus rau lub uncoiler uas cov hlau tau muab tso rau ntawm qhov chaw them nyiaj rau kev sib tw. KEV PAB CUAM Qhov pib ntawm cov kauj ruam tom ntej mechanically koom nrog rau qhov kawg ntawm lub kauj dhau los, qhov no tso cai rau kev noj cov khoom txuas ntxiv ntawm cov coil txheej kab. Qhov no ua rau txhua tus ntug ntawm qhov sib koom ua ke dhau los ua "tus nplaig" lossis "tail" ntawm cov coated steel coil tiav. ENTRY TOWER Qhov nkagNyeem ntxiv…
Kev tsim thiab tsim cov khoom siab polyester amino acrylic xim
Formulation thiab zus tau tej cov high solids polyester amino acrylic xim High solids polyester amino acrylic xim yog siv feem ntau raws li ib tug topcoat rau cov neeg nrog caij tsheb, maus taus thiab lwm yam tsheb uas muaj kev tiv thaiv zoo dua. acrylic xim, xws li electrostatic txau, cua txau, txhuam. Qhuav tej yam kev mob: ci ntawm 140 ℃ nrog 30min Thick txheej: Thaum lub sij hawm daim ntawv thov txheej txheem, nyob rau hauv tib yam kev mob, ib txheej thickness yog 1/3 ntau tshaj li zoo tib yam high-qib xim, uas muaj peev xwmNyeem ntxiv…
Kub Xovxwm Hloov VS Sublimation Hloov
Kev faib tawm ntawm thermal hloov Los ntawm qhov taw tes ntawm hom number case, muaj kub xovxwm hloov luam ntawv thiab sublimation hloov lwm lub tsev; los ntawm cov khoom xa mus muaj ntaub, yas (phaj, nplooj ntawv, zaj duab xis), ceramic thiab hlau txheej daim hlau, thiab lwm yam .; los ntawm cov txheej txheem luam ntawv, tuaj yeem muab faib ua pawg kev faib tawm los ntawm substrate thermal hloov daim ntawv thiab yas zaj duab xis; screen printing, lithographic, gravure, letterpress, inkjet thiab ribbon printing. Cov hauv qab no qhia txog qhov kubNyeem ntxiv…
Hmoov Txheej Txhaum Cai
Cov hmoov txheej puas tsuaj yog dab tsi? Feem ntau cov hmoov txheej resins tsis tshua muaj tshuaj lom thiab muaj kev phom sij, thiab tus neeg sawv cev kho tau muaj tshuaj lom ntau dua li cov resin. Txawm li cas los xij, thaum tsim los rau hauv cov hmoov txheej, cov tshuaj toxicity ntawm tus neeg saib xyuas ua rau me me los yog yuav luag tsis muaj tshuaj lom. Cov kev sim tsiaj tau pom tias tsis muaj kev tuag thiab raug mob tshwm sim tom qab nqus cov hmoov txheej, tab sis muaj qhov sib txawv ntawm qhov muag thiab tawv nqaij. Txawm tias general hmoov txheej muajNyeem ntxiv…
Optimization ntawm ultra-thin hmoov txheej tshuab
Ultra-nyias hmoov txheej tshuab tsis yog tsuas yog ib qho tseem ceeb ntawm txoj kev loj hlob ntawm cov hmoov txheej, tab sis kuj yog ib qho teeb meem uas lub ntiaj teb no tseem plagued nyob rau hauv painting voj voog. Hmoov txheej tsis ua kom tiav cov txheej txheej ultra-thin, uas tsis tsuas yog txwv nws cov ntawv thov, tab sis kuj ua rau cov txheej tuab (generally 70um saum). Nws yog ib qho khoom siv pov tseg uas tsis tsim nyog rau feem ntau cov ntawv thov uas tsis tas yuav tsum tau txheej tuab. Txhawm rau daws qhov teeb meem thoob ntiaj teb no kom ua tiav cov txheej txheem ultra-thin, cov kws tshaj lij muajNyeem ntxiv…
Qhov zoo ntawm Epoxy Polyester Hybrids Hmoov Txheej
Qhov zoo ntawm Epoxy Polyester Hybrids Hmoov Txheej Epoxy hmoov txheej raws li cov thev naus laus zis tshiab hu ua epoxy-polyester "hybrids" lossis "multipolymer" systems. Cov hmoov txheej no tuaj yeem suav hais tias tsuas yog ib feem ntawm tsev neeg epoxy, tshwj tsis yog tias feem pua ntawm cov polyester siv ntau (feem ntau ntau dua li ib nrab ntawm cov resin) ua rau qhov kev faib tawm tsis raug. Cov khoom ntawm cov txheej txheej hybrid no zoo sib xws rau epoxies dua li polyesters, nrog rau qee qhov tshwj xeeb. Lawv qhia zoo sib xws yooj nyob rau hauv cov nqe lus ntawmNyeem ntxiv…
Anti-corrosion epoxy hmoov txheej ua si tiv thaiv kev ua haujlwm
Kev sib koom ua ke ntawm kev tiv thaiv cathodic thiab kev tiv thaiv corrosion txheej, tso cai rau cov qauv hauv av lossis hauv qab dej kom tau txais txiaj ntsig zoo tshaj plaws thiab kev tiv thaiv zoo. Feem ntau coated nrog cov txheej tiv thaiv ua ntej siv, rau cov hlau thiab dielectric ib puag ncig hluav taws xob rwb thaiv tsev cais, txheej txheej zoo tuaj yeem tiv thaiv ntau dua 99% ntawm cov qauv txheej txheej los ntawm corrosion. Cov yeeb nkab txheej hauv kev tsim khoom, kev thauj mus los thiab kev tsim kho, tsis tuaj yeem lav qhov kev puas tsuaj rau (sau lub qhov ncauj txheej,Nyeem ntxiv…
Smooth tiav thiab ntoo UV hmoov txheej rooj tog
UV hmoov txheej rooj tog nrog du tiav thiab ntoo substrate UV hmoov txheej rau Smooth, Matt Finishes Blends ntawm tshwj xeeb polyesters thiab epoxy resins tso cai rau txoj kev loj hlob ntawm du, matt tiav rau hlau thiab MDF daim ntaub ntawv. Smooth, matt clear coats tau ua tiav rau ntawm cov ntoo tawv, ntawm veneered composite board xws li beech, tshauv, ntoo qhib thiab rau PVC siv rau resilient flooring. Lub xub ntiag ntawm tus khub epoxy nyob rau hauv cov ntaub ntawv boosted tshuaj tiv thaiv ntawm tag nrho cov txheej. Qhov zoo tshaj plaws smoothnessNyeem ntxiv…
Qualicoat-Test Methods and Requirements
Qualicoat-Test Methods and Requirements Lub Qualicoat-Test method tau piav qhia hauv qab no yog siv los kuaj cov khoom tiav thiab/lossis txheej txheej rau kev pom zoo (saib tshooj 4 thiab 5). Rau cov kev ntsuam xyuas tshuab (seem 2.6, 2.7 thiab 2.8), qhov kev xeem panels yuav tsum tau ua los ntawm alloy AA 5005-H24 los yog -H14 (AlMg 1 - semihard) nrog ib tug thickness ntawm 0.8 los yog 1 hli, tshwj tsis yog tias pom zoo los ntawm cov Technical Pawg neeg. Kev ntsuam xyuas siv tshuaj thiab kev kuaj corrosion yuav tsum tau ua nyob rau hauv extruded seem ua los ntawmNyeem ntxiv…
Polyaspartic Txheej Technology
Chemistry yog ua raws li cov tshuaj tiv thaiv ntawm aliphatic polyisocyanate thiab polyaspartic ester, uas yog aliphatic diamine. Cov thev naus laus zis no tau pib siv nyob rau hauv cov pa roj carbon monoxide ob-tivthaiv polyurethane hnyav-yob txheej formulations vim hais tias cov polyaspartic esters yog cov zoo heev reactive diluents rau siab solids polyurethane coatings Ntau tsis ntev los no kev loj hlob nyob rau hauv polyaspartic txheej txheej technology muaj concentrated nyob rau hauv kev ua tau zoo tsawg los yog zero-zero VOC coatings qhov twg cov polyaspartic. ester yog qhov tseem ceeb ntawm cov co-reactant rau cov tshuaj tiv thaiv nrog polyisocyanate. Qhov tshwj xeeb thiabNyeem ntxiv…
Vim li cas Hmoov Txheej
Yog vim li cas hmoov txheej ECONOMIC CONSIDERATIONS Qhov zoo tshaj ntawm cov hmoov-coated tiav yog nrog los ntawm kev txuag nyiaj ntau, thaum piv rau cov kua txheej txheej. Txij li cov hmoov tsis muaj VOCs, huab cua siv los tso cov hmoov tshuaj tsuag lub rooj muag khoom tuaj yeem rov xa ncaj qha mus rau cov nroj tsuag, tshem tawm cov nqi cua sov lossis cua txias ntawm cov pleev xim. Cov qhov cub uas kho cov kuab tshuaj raws li cov txheej txheem yuav tsum tau ua kom sov thiab tso pa tawm ntau ntawm huab cua kom ntseeg tau tias cov pa taws hnyav tsis ncav cuag qhov muaj peev xwm tawg. NrogNyeem ntxiv…
Kev sib piv ntawm UV txheej thiab lwm cov txheej txheem
Kev sib piv ntawm UV txheej thiab lwm cov txheej txheem Txawm tias UV kho tau siv los ua lag luam rau ntau tshaj peb caug xyoo (nws yog cov txheej txheem txheej txheem rau compact disk screen printing thiab lacquering piv txwv), UV txheej yog tseem tshiab thiab loj hlob. UV kua yog siv rau ntawm cov xov tooj ntawm tes, PDAs thiab lwm yam khoom siv hluav taws xob. UV hmoov txheej yog siv rau nruab nrab ntom ntom fiberboard cov rooj tog zaum. Thaum muaj ntau yam zoo sib xws nrog lwm hom txheej txheej,Nyeem ntxiv…
Dab tsi yog Polyurea Txheej thiab Polyurethane Txheej
Polyurea Txheej thiab Polyurethane Coatings Polyurea txheej Polyurea txheej yog qhov tseem ceeb ntawm ob lub ntsiab lus raws li Amine terminated prepolymer crosslinked nrog Isocyanate uas tsim cov urea linkages. Kev sib txuas ntawm cov polymers reactive tshwm sim ntawm qhov nrawm nrawm ntawm qhov kub thiab txias. Feem ntau cov tshuaj tiv thaiv no tsis tas yuav muaj cov catalyst. Txij li thaum lub lauj kaub-lub neej ntawm xws li txheej yog nyob rau hauv vib nas this; yam tshwj xeeb ntawm Plral Cov tshuaj tsuag phom yog xav tau los ua daim ntawv thov. Cov txheej txheem tuaj yeem tsim txog li 500 mus rauNyeem ntxiv…
7 Cov Qauv Ntsuas Kev Ntsuas Huab Cua Ua Haujlwm ntawm Cov Txheej Txheem Hmoov Txheej
Muaj 7 tus qauv los ntsuas huab cua tsis kam ntawm cov hmoov txheej. Resistance to mortar Accelerated aging and UV durability (QUV) Saltspraytest Kesternich-test Florida-test Humiditytest (tropical climate) Chemical Resistance to mortar Raws li tus qauv ASTM C207. Ib qho mortar tshwj xeeb yuav raug coj los sib cuag nrog cov hmoov txheej thaum 24h ntawm 23 ° C thiab 50% txheeb ze av noo. Accelerated aging thiab UV durability (QUV) Qhov kev sim no hauv QUV-weatherometer muaj 2 lub voj voog. Cov coated testpanels yog 8h raug UV-teeb thiabNyeem ntxiv…
Ob lub tswv yim tsim cov txheej txheem nrog tshwj xeeb mar kuj
Muaj ob lub tswv yim muaj rau kev tsim cov txheej txheem nrog tshwj xeeb mar kuj. Lawv tuaj yeem ua kom tawv txaus kom cov khoom sib yuav tsis nkag mus rau hauv qhov chaw; los yog Lawv tuaj yeem ua kom elastic txaus kom rov zoo tom qab kev ntxhov siab raug tshem tawm. Yog hais tias lub tswv yim hardness raug xaiv, lub txheej yuav tsum muaj qhov tsawg kawg nkaus hardness. Txawm li cas los xij, cov txheej txheem zoo li no tuaj yeem ua tsis tiav los ntawm kev tawg. Cov yeeb yaj kiab yooj yooj yim yog qhov tseem ceeb cuam tshuam rau kev puas tsuaj puas. Siv 4-hydroxybutyl acrylate hloovNyeem ntxiv…
Sab nrauv architectural gloss coatings pigment xaiv
Muaj ob hom ntawm TiO2 pigments: cov uas enamel qib ua yeeb yam hauv qab Critical Pigment Volume Concentration (CPVC), uas sib haum rau gloss thiab semi gloss hmoov txheej, thiab cov kev txhim kho qhov sib txawv rau saum toj no CPVC coatings daim ntaub ntawv (pav nam). Sab nrauv architectural gloss coatings pigment xaiv yog raws li ib tug zoo tshuav nyiaj li cas ntawm cov khoom txuam rau nruj Particle Loj Distribution uas enables cov khoom los muab superior sab nrauv siab gloss.Nyob rau hauv dav xaiv ntawm pigments, lub ntsiab sawv daws yuav rau daim ntawv thov noNyeem ntxiv…
Abrasive blasting rau kev npaj cov hlau nto
Abrasive blasting feem ntau yog siv rau kev npaj cov hlau nto ntawm hnyav structural qhov chaw, tshwj xeeb tshaj yog HRS weldments. Nws yog ib qho zoo heev ntawm kev tshem tawm cov encrustations thiab carbonized roj uas yog cov yam ntxwv ntawm cov khoom no. Kev ua haujlwm blasting tuaj yeem ua tau phau ntawv lossis siv tau thiab lawv tuaj yeem muab ntsia tau ua ib feem ntawm cov txheej txheem conveyorized hmoov txheej los yog ua cov txheej txheem batch.Cov cuab yeej blasting yuav yog hom nozzle lossis hom centrifugal log. Raws li tau hais dhau los, nozzleNyeem ntxiv…
UV-curable Powder Coatings Advantages
UV-curable Powder Coatings Advantages UV-curable hmoov txheej yog ib qho ntawm cov txheej txheem ceev tshaj plaws muaj. Los ntawm kev pib ua kom tiav tag nrho cov txheej txheem rau kev ua tiav MDF yuav siv sij hawm 20 min los yog tsawg dua, nyob ntawm chemistry thiab ib feem geometry, ua rau nws zoo tagnrho rau cov ntawv thov uas xav tau kev hloov pauv sai. Ib qho ua tiav yuav tsum tsuas yog ib lub tsho loj, tso cai rau kev tsim khoom ntau ntxiv nrog 40 mus rau 60 feem pua tsawg zog dua li lwm cov txheej txheem tiav. Cov txheej txheem UV-kho yog qhov yooj yim dua li lwm cov thev naus laus zis. KhoNyeem ntxiv…
Qhov txawv ntawm Cold Rolled Steel thiab Kub Rolled Steel
Qhov sib txawv ntawm Cold Rolled Steel thiab Kub Rolled Steel COLD ROLLED STEEL: Feem ntau ntawm cov hlau tau ntsib los ntawm kev ua hauj lwm powdercoater, cov khoom no yog dov tsim kom muaj kev ua siab ntev thiab ua kom zoo, haum rau stamping, sib sau, thiab kev ua haujlwm nruab nrab. . Cov khoom no tuaj yeem khoov ncaj nraim ntawm nws tus kheej yam tsis muaj cracking. Lub hauv paus zoo rau phosphate conversion txheej. Cov lus pom zoo ua ntej yog Ntxuav, Phosphate, yaug, thiab foob lossis deionize yaug. KUB ROLLED STEEL: Cov pa roj carbon tsawg tsim nyogNyeem ntxiv…
TGIC-dawb hmoov txheej muab cov txiaj ntsig txuag nyiaj
TGIC-dawb hmoov txheej xaiv muaj thiab tau siv los ntawm cov tuam txhab thoob ntiaj teb kom ua tiav cov txiaj ntsig zoo ib yam li TGIC hmoov txheej. Qhov tseeb, muaj sevral qhov zoo rau cov tshuab tshiab. Nws muaj tsis tsuas yog sab nrauv durability, tab sis txhim khu kev qha mechanical kev ua tau zoo, raws li zoo raws li ntws thiab leveling zog. TGIC-dawb hmoov txheej muab cov txiaj ntsig txuag nyiaj rau cov neeg ua tiav los ntawm kev muab cov txiaj ntsig zoo tshaj qhov kev hloov pauv thawj zaug. Cov tuam txhab uas tau hloov dua siab tshiab rau TGIC-dawb raws li txheej txheej tau sau tseg thawj zaug kev hloov pauv kev txhim kho kev txhim kho ntawmNyeem ntxiv…
Qhov zoo ntawm fluorocarbon hmoov txheej
Fluorocarbon hmoov txheej yog poly-vinylidene fluoride resin nCH2CF2 ci (CH2CF2) n (PVDF) ua cov khoom siv hauv paus lossis nrog cov xim hlau txhuas hmoov txheej ua rau lub toner. Bond ntawm fluorine / carbonized cov fluorocarbon puag cov ntaub ntawv nyob rau hauv cov tshuaj cov qauv ua ke nrog xws li ib tug qauv ntawm cov xwm ntawm muaj ib tug luv luv yuam sij yog ua ke nrog hydrogen ions feem ntau ruaj khov khoom ua ke, nyob rau hauv stability thiab solidity ntawm cov tshuaj cov qauv sib txawv lub cev zog ntawm fluorocarbon pleev xim rau hauvNyeem ntxiv…
Eddy tiam tam sim no nyob rau hauv ib tug hlau conductor
A.1 General Eddy cov cuab yeej tam sim no ua haujlwm raws li lub hauv paus ntsiab lus uas lub tshuab hluav taws xob ntau zaus tsim los ntawm kev sojntsuam ntawm qhov ntsuas yuav tsim cov eddy tam sim no hauv ib qho hluav taws xob conductor uas qhov kev sojntsuam muab tso rau. Cov dej ntws no ua rau muaj kev hloov pauv ntawm qhov amplitude thiab / lossis theem ntawm kev sojntsuam coil impedance, uas tuaj yeem siv los ntsuas qhov tuab ntawm txheej ntawm tus neeg xyuas pib (saib Piv txwv 1) lossis ntawm tus neeg xyuas pib nws tus kheej (saib Piv txwvNyeem ntxiv…
Lub ntsiab tseem ceeb rau recoating hmoov txheej
Lub ntsiab tseem ceeb tshaj plaws rau kev rov ua cov hmoov txheej txheej thiab qhov tseeb, rau kev siv cov txheej txheem sib txawv ntawm cov txheej txheej yog kom paub tseeb tias cov txheej tshiab yuav tsis nqa lossis wrinkle cov txheej qub. Txheeb xyuas cov txheej txheej qub uas muaj zog lacquer thinner los ntawm kev ntub dej ntawm qhov chaw thiab muab ob peb rubs nrog cov ntaub ntub dej. Yog tias tsis muaj qhov softening ntau dhau, lub txheej yuav tsum yog OK kom rov qab nrog cov kua tshiabNyeem ntxiv…
Dab tsi yog Zaj Duab Xis Hardness
Lub hardness ntawm cov hmoov pleev xim zaj duab xis hais txog qhov tsis kam ntawm cov xim zaj duab xis tom qab ziab muaj cov khoom, piv txwv li, zaj duab xis nto lub luag hauj lwm ntawm qhov hardness ntau dua ntawm cov khoom siv. Qhov kev tiv thaiv no tau nthuav tawm los ntawm cov yeeb yaj kiab tuaj yeem muab los ntawm qee qhov hnyav ntawm cov khoom ua haujlwm ntawm qhov chaw sib cuag me me, los ntawm kev ntsuas lub peev xwm ntawm cov yeeb yaj kiab antideformation manifested, yog li cov yeeb yaj kiab hardness yog qhov pom ntawm ib qho ntawm cov khoom tseem ceeb.Nyeem ntxiv…