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Hydroxypropyl methylcellulose (HPMC) yog ib qho polymer uas siv tau ntau yam hauv ntau yam lag luam vim nws cov khoom tshwj xeeb thiab kev ua haujlwm. Cov polymer semi-synthetic no yog los ntawm cellulose, ib qho polymer ntuj pom hauv cov phab ntsa cell ntawm cov nroj tsuag. HPMC yog tsim los ntawm kev hloov kho cellulose los ntawm etherificat...Nyeem ntxiv»
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Hydroxypropylmethylcellulose (HPMC) yog kev hloov kho hluavtaws ntawm cellulose, ib qho polymer ntuj pom muaj nyob rau hauv cov phab ntsa cell ntawm cov nroj tsuag. Txawm hais tias HPMC nws tus kheej tsis yog biopolymer nkaus xwb vim nws yog cov tshuaj synthesized, nws feem ntau suav hais tias yog semi-Synthetic lossis hloov kho biopolymers. A. Kev Taw Qhia rau hydrox...Nyeem ntxiv»
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Ua ntej kuv yuav pobzeb, kuv puas yuav tsum tshem cov nplaum qub tawm? Seb koj puas yuav tsum tshem cov nplaum pobzeb qub tawm ua ntej yuav pobzeb, nyob ntawm ntau yam, suav nrog qhov xwm txheej ntawm cov nplaum uas twb muaj lawm, hom pobzeb tshiab uas yuav tsum tau teeb tsa, thiab qhov yuav tsum tau ua ntawm kev teeb tsa pobzeb. Nov yog qee qhov tsis zoo...Nyeem ntxiv»
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Koj puas tuaj yeem tsim cov nplaum rau pobzeb? Yog, nws muaj peev xwm tsim cov nplaum rau pobzeb hauv qee qhov xwm txheej, txawm hais tias txoj kev thiab qhov dav ntawm kev tsim cov nplaum yuav txawv nyob ntawm qhov xav tau tshwj xeeb ntawm kev teeb tsa pobzeb thiab qhov xwm txheej ntawm cov khoom siv. Kev tsim cov nplaum rau pobzeb feem ntau yog ua ...Nyeem ntxiv»
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Vim li cas ho siv cov nplaum rau pobzeb es tsis txhob siv cov tshuaj khib? Cov nplaum rau pobzeb thiab cov tshuaj khib ua haujlwm zoo sib xws hauv kev teeb tsa pobzeb, tab sis lawv muaj qee qhov sib txawv uas ua rau cov nplaum rau pobzeb zoo dua rau qee qhov xwm txheej: Yooj Yim Siv: Cov nplaum rau pobzeb feem ntau yooj yim siv dua li cov tshuaj khib. Nws muaj nyob rau hauv cov khoom sib xyaw ua ntej lossis hmoov...Nyeem ntxiv»
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Qhov txawv ntawm cov nplaum rau pobzeb thiab cov nplaum pobzeb yog dab tsi? Cov nplaum rau pobzeb, tseem hu ua cov nplaum pobzeb lossis cov nplaum pobzeb, yog ib hom khoom siv los nplaum cov pobzeb rau cov khoom siv xws li phab ntsa, pem teb, lossis cov txee saum toj thaum lub sijhawm teeb tsa pobzeb. Nws yog tsim tshwj xeeb ...Nyeem ntxiv»
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Cov nplaum twg zoo tshaj plaws rau kev kho pobzeb? Cov nplaum zoo tshaj plaws rau kev kho pobzeb nyob ntawm ntau yam, suav nrog hom pobzeb, cov khoom siv hauv qab, qhov chaw kho, thiab qhov kev puas tsuaj. Nov yog qee cov kev xaiv rau cov nplaum kho pobzeb: Cov nplaum pobzeb ua los ntawm cement: Rau kev kho...Nyeem ntxiv»
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Muaj ntau hom nplaum rau pobzeb sib txawv li cas? Muaj ntau hom nplaum rau pobzeb, txhua hom tsim los ua kom tau raws li qhov xav tau thiab qhov yuav tsum tau ua raws li hom pobzeb uas raug teeb tsa, lub substrate, tej yam ib puag ncig, thiab lwm yam. Qee hom nplaum rau pobzeb uas siv ntau...Nyeem ntxiv»
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Cov nplaum pobzeb puas zoo dua li cov cement? Seb cov nplaum pobzeb puas zoo dua li cov cement nyob ntawm seb daim ntawv thov tshwj xeeb thiab cov kev xav tau ntawm kev teeb tsa pobzeb. Ob qho tib si nplaum pobzeb thiab cement (mortar) muaj lawv qhov zoo thiab tsim nyog rau ntau qhov xwm txheej: Cov nplaum pobzeb: Qhov zoo: Str...Nyeem ntxiv»
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Cov nplaum rau pobzeb siv ua dab tsi? Cov nplaum rau pobzeb, tseem hu ua cov nplaum rau pobzeb lossis cov nplaum rau pobzeb, yog ib hom nplaum uas ua los ntawm cement uas tsim tshwj xeeb rau kev sib txuas cov pobzeb rau cov khoom siv xws li phab ntsa, pem teb, lossis cov txee saum rooj. Nws feem ntau siv rau hauv kev lag luam kev tsim kho rau kev teeb tsa ...Nyeem ntxiv»
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Qhov viscosity qis: 400 feem ntau yog siv rau cov mortar uas nws tus kheej leveling, tab sis feem ntau nws yog imported. Vim li cas: Qhov viscosity qis, tsis khaws dej zoo, tab sis nws cov khoom zoo leveling, qhov ceev ntawm mortar siab. Qhov viscosity nruab nrab thiab qis: 20000-40000 feem ntau yog siv rau cov nplaum pobzeb, cov neeg sawv cev caulking, cov mortar tiv thaiv kev tawg...Nyeem ntxiv»
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Hydroxypropyl methylcellulose ether (HPMC) muaj cov dej khaws cia thiab cov teebmeem tuab hauv cov cement mortar thiab gypsum-based mortar, thiab tuaj yeem txhim kho qhov adhesion thiab ntsug tsis kam ntawm cov mortar. Cov yam xws li qhov kub ntawm roj, qhov kub thiab txias, thiab qhov ceev ntawm roj yog qhov tsis zoo rau...Nyeem ntxiv»