Tag: Hmoov Txheej Khoom
Kev daws qhov tsis zoo ntawm cov cuab yeej siv tshuab thiab tshuaj lom neeg ua haujlwm
1. Cov khoom siv tsis zoo thiab tshuaj lom neeg ua rau: siab dhau lossis qis qis qis los yog lub sijhawm kho: Paub meej thiab xyuas nrog cov hmoov txheej hmoov cov khoom lag luamCause: Roj, roj, roj extrusion, plua plav ntawm qhov chaw daws teeb meem: optimize pretreatmentCause: txawv cov ntaub ntawv thiab cov khoom xim daws: Tsis txaus pretreatmentCause: Incompatible pretreatment thiab hmoov coatingSolution: Kho pretreatment txoj kev, sab laj cov neeg muag khoom 2. Greasy nto (Haze li zaj duab xis nyob rau saum npoo uas yuav tsum tau wiped tawm) Ua rau: Blooming nyhuv-dawb zaj duab xis nyob rau hauv cov hmoov nto, uas yuav wiped offSolution. : Hloov cov hmoov txheej txheej, ua kom qhov kub thiab txias ua rau: Tsis txaus cua ncig hauv qhov cub Kev daws teeb meem: Ua kom huab cua ntau ntxivCause: Muaj paug rauNyeem ntxiv…
Hlau oxides Siv nyob rau hauv High-temperature-kho coatings
Cov txheej txheem daj hlau oxides yog qhov zoo tshaj plaws inorganic pigments los tsim ntau yam xim ntxoov ntxoo vim qhov zoo ntawm kev ua tau zoo thiab tus nqi muab los ntawm lawv lub zog zais siab thiab opacity, huab cua zoo heev, lub teeb thiab tshuaj lom neeg ceev ceev, thiab txo tus nqi. Tab sis lawv siv cov txheej kub-kub-kho xws li coil txheej, hmoov txheej los yog stoving xim yog txwv. Vim li cas? Thaum cov hlau oxide daj xa mus rau qhov kub siab, lawv cov qauv goethite (FeOOH) dehydrates thiab ib nrab hloov mus ua hematite (Fe2O3),Nyeem ntxiv…
Zinc casting tuaj yeem ua hmoov coated
zinc casting tuaj yeem ua hmoov coated Ib qho cam khwb cia yuav muaj porosity uas yuav ua rau muaj kev puas tsuaj hauv cov txheej txheem kub. Cov huab cua uas nyob ze ntawm qhov chaw yuav nthuav dav thiab tawg cov zaj duab xis thaum lub sijhawm kho. Muaj sevral txoj kev los txo qhov teeb meem. Koj tuaj yeem ua kom sov ib feem kom tsav tawm qee qhov cua ntxiab uas ua rau muaj teeb meem. Tshav kub rau qhov kub txog li 50 ° F siab tshaj qhov kho qhov kub, txias nws,Nyeem ntxiv…
Qhov ntsuas kub haum rau Waterproof txheej
Waterproof txheej xaiv cov yam ntxwv ntawm kev daws teeb meem, nano-ceramic hollow hais, silica alumina fibers, txhua yam ntawm cov khoom siv los ua cov khoom siv tseem ceeb, thermal conductivity tsuas yog 0.03W / mK, tuaj yeem tiv thaiv cov hluav taws xob tiv thaiv hluav taws xob thiab hluav taws xob zoo. Nyob rau lub caij ntuj sov, ntawm qhov kub ntawm ntau tshaj 40 ℃, nws yuav tsis tsim nyog los ua cov dej tsis zoo, rau cov laj thawj hauv qab no: queous lossis hnyav-based waterproof txheej tsim nyob rau hauv qhov kub thiab txias yuav sai sai thickens, ua rau priming nyuaj, cuam tshuam rau kev tsim kho. zoo;Nyeem ntxiv…
D523-08 Standard Test Method rau Specular Gloss
D523-08 Standard Test Method rau Specular Gloss Cov qauv no yog muab tso rau hauv qhov kev xaiv ruaj D523; tus naj npawb tam sim tom qab qhov kev xaiv tsa qhia txog lub xyoo ntawm kev txais yuav thawj lossis, nyob rau hauv rooj plaub ntawm kev kho dua tshiab, xyoo kawg ntawm kev hloov kho tshiab. Ib tus lej hauv kab lus qhia txog lub xyoo ntawm kev pom zoo dua zaum kawg. Ib tus superscripl epsilon qhia txog kev hloov pauv hloov txij li kev hloov kho zaum kawg lossis rov pom zoo dua. Cov qauv no tau pom zoo siv los ntawm cov koom haum ntawm Lub Tsev Haujlwm Saib Xyuas Kev Tiv Thaiv. 1. Scope NtawmNyeem ntxiv…
ASTM D3359-02-TEST txoj kev AX-CUT daim kab xev Test
ASTM D3359-02-TEST METHOD AX-CUT TAPE TEST 5. Cov cuab yeej siv thiab cov khoom siv 5.1 Cov cuab yeej txiav—Ntxig rab chais hniav, scalpel, riam lossis lwm yam khoom siv txiav. Nws yog ib qho tseem ceeb tshwj xeeb uas cov npoo txiav yuav tsum nyob rau hauv qhov zoo. 5.2 Daim Ntawv Qhia Txiav—Steel lossis lwm yam hlau tawv ncaj kom ntseeg tau tias kev txiav ncaj. 5.3 Daim kab xev-25-mm (1.0-in.) dav semitransparent siab rhiab daim kab xev7 nrog lub zog adhesion pom zoo los ntawm tus neeg muag khoom thiab cov neeg siv khoom xav tau. Vim muaj qhov sib txawv ntawm qhov adhesion lub zog los ntawm batch-rau-batch thiab nrog lub sijhawm,Nyeem ntxiv…
Hmoov txheej txiv kab ntxwv peels tsos
Hmoov txheej txiv kab ntxwv peels tsos Los ntawm cov duab pom los yog siv cov txheej txheem ntawm kev ntsuas qhia tau hais tias ntsuas los yog ntawm lub tshuab nqus tsev scan los ntsuam xyuas thiab sib piv cov hmoov txheej txiv kab ntxwv tev zoo li. (1) txoj kev pom kev Hauv qhov kev sim no, tus qauv ntawm ob lub raj fluorescent. Ib qho qauv ntawm cov teeb pom kev zoo tuaj yeem tau txais los ntawm kev muab tso rau boilerplate. Kev soj ntsuam zoo ntawm qhov pom tseeb ntawm lub teeb pom kev zoo los ntawm kev ntsuam xyuas qhov muag ntawm qhov dej ntws thiab theem. HauvNyeem ntxiv…
Txheej txheej txheej txheem
Txheej txheej txheej txheem tuaj yeem muab faib ua yaj coalescence los ua cov txheej txheem txheej txheej peb theem. Nyob rau ntawm qhov ntsuas kub, kev tswj molten coalescence tus nqi yog qhov tseem ceeb tshaj plaws yog lub melting point ntawm resin, viscosity ntawm lub xeev molten ntawm cov hmoov hais thiab qhov loj ntawm cov hmoov hais. Txhawm rau kom qhov zoo tshaj plaws coalescence ntawm molten yuav tsum tau sai li sai tau, thiaj li yuav muaj sij hawm ntev los ua kom tiav cov theem theem ntws los. CovNyeem 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…
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…
gene yog dab tsiral mechanical zog ntawm hmoov txheej
Cov noobral mechanical zog ntawm hmoov txheej muaj xws li hauv qab no. Hla-txiav Test (adhesion) Flexibility Erichsen Buchholz Hardness Pencil Hardness Clemen Hardness Impact Cross-cut Test (adhesion) Raws li cov qauv ISO 2409, ASTM D3359 lossis DIN 53151. Nyob rau ntawm lub coated test vaj huam sib luag cross-cut (indentations nyob rau hauv daim ntawv ntawm tus ntoo khaub lig thiab parallel rau ib leeg nrog kev sib nrig sib nrug ntawm 1 hli lossis 2 hli) yog ua los ntawm cov hlau. Ib daim kab xev txheem yog muab tso rau ntawm tus ntoo khaub lig-txiav. Txoj kev hlais yogNyeem ntxiv…
Powder Txheej MSDS yog dab tsi
Hmoov Txheej MSDS 1. CHEMICAL PRODUCT AND COMPANY IDENTIFICATION PRODUCT NAME: Powder Coating MANUFACTURE/DISTRIBUTOR: Jinhu Xim Powder Co., Ltd Chaw Nyob: Dailou Industrial Zone, Jinhu County, Huai'an, Tuam Tshoj Emergency Response Call FORSI 2. RAU COV KHOOM NTAUB NTAWV COV KHOOM NOJ HAUS HAUJ LWM: CAS No. WEIGHT (%) Polyester resin : 25135-73-3 60 Epoxy resin : 25085-99-8 20 Barium sulfate: 7727-43-7 10 Pigments: N/A H.C.A. 10. Routes of Exposure: Daim tawv nqaij tiv tauj, Qhov muag tiv tauj. Inhalation: Kev nqus plua plav lossis huab cua tshwm sim thaum cua sov thiab ua haujlwm tuaj yeem ua rau khaus ntawm lub qhov ntswg, caj pas thiab lub ntsws, mob taub hau, xeev siab, Qhov muag Tiv tauj: Khoom tuaj yeem ua rau khaus tawv nqaijNyeem ntxiv…
ASTM D7803-Standard for Preparing HDG steel rau hmoov txheej
ASTM D7803 Choj yog ib qho piv txwv ntawm kev tsim kho tej yaam num uas feem ntau ua los ntawm kub-dip galvanized hlau. Yuav ua li cas rau cov hlau no tsis muaj adhesion tsis ua hauj lwm ntawm cov hmoov txheej tau piav qhia nyob rau hauv tus qauv ASTM tshiab. Tus txheej txheem tshiab, ASTM D7803, "Kev Xyaum rau Kev Npaj Zinc (Kub-Dip Galvanized) Coated Hlau thiab Hlau Khoom thiab Khoom Kho Vaj Tse rau Hmoov Txheej" suav nrog kev npaj nto thiab thermal pretreatment ntawm hlau thiab hlau cov khoom thiab cov khoom kho vajtse uas tsis tau pleev xim los yog hmoov coated yav tas losNyeem ntxiv…
Tiv thaiv cov hmoov txheej txiv kab ntxwv tev
Kev tiv thaiv cov hmoov txheej txiv kab ntxwv tev Cov tsos ntawm cov txheej yog qhov tseem ceeb hauv kev tsim khoom tshiab (OEM) Painting. Yog li ntawd, ib qho ntawm lub hom phiaj tseem ceeb ntawm kev lag luam coatings yog ua kom tiav cov kev cai ntawm cov neeg siv cov xim kom ua tiav qhov kev ua tau zoo tshaj plaws, uas kuj suav nrog qhov zoo nkauj ntawm kev txaus siab. Muaj feem cuam tshuam rau qhov pom ntawm qhov chaw ntawm qhov chaw los ntawm cov yam ntxwv xws li xim, gloss, haze, thiab cov qauv saum npoo. Lub gloss thiab duab clarity yogNyeem ntxiv…
Kev faib tawm ntawm Adhesion Test Results-ASTM D3359-02
Tshawb xyuas thaj tsam ntawm daim phiaj kom tshem tawm cov txheej txheem los ntawm lub substrate los yog los ntawm cov txheej txheem dhau los uas siv lub illuminated magnifier. Ntsuas qhov adhesion raws li qhov ntsuas hauv qab no qhia hauv daim duab 1: 5B Cov npoo ntawm cov txiav yog du tag; tsis muaj ib lub squares ntawm lub lattice yog detached. 4B me me flakes ntawm txheej yog detached ntawm kev sib tshuam; tsawg dua 5% ntawm thaj chaw raug cuam tshuam. 3B me me flakes ntawm txheej yog detached raws ntugNyeem ntxiv…
Adhesion teeb meem ntawm hmoov txheej daim ntawv thov
Cov adhesion tsis zoo feem ntau cuam tshuam nrog kev kho tsis zoo los yog kho tau. Undercure -Khiav ib qho khoom siv hluav taws xob ntsuas kub nrog kev sojntsuam ntawm ib sab kom ntseeg tau tias cov hlau kub mus txog qhov ntsuas qhov ntsuas qhov ntsuas (Lub Sijhawm kub). Pretreatment - Ua tsis tu ncua titration thiab kev kuaj xyuas kom tsis txhob muaj teeb meem ua ntej.Kev npaj saum npoo yog tej zaum ua rau cov neeg pluag adhesion ntawm cov hmoov txheej hmoov. Tsis yog txhua qhov stainless hlau txais phosphate pretreatments rau tib yam; ib txhia ua ntau reactiveNyeem ntxiv…