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C1 pobzeb nplaum yog dab tsi?
C1 pobzeb nplaum yog dab tsi? C1 yog kev faib cov nplais nplaum raws li European qauv. C1 pobzeb nplaum yog cais raws li "tus qauv" lossis "thawj" nplaum, uas txhais tau hais tias nws muaj cov yam ntxwv qis dua piv rau cov kev faib ntau dua xws li C2 lossis ...Nyeem ntxiv -
C2 kev faib tawm ntawm cov nplais nplaum yog dab tsi?
C2 yog kev faib cov nplais nplaum raws li European qauv. C2 pobzeb nplaum yog cais raws li "kev txhim kho" lossis "kev ua haujlwm siab" nplaum, uas txhais tau hais tias nws muaj cov khoom zoo dua piv rau cov kev faib qis xws li C1 lossis C1T. Cov yam ntxwv tseem ceeb ntawm C...Nyeem ntxiv -
C1 pobzeb nplaum muaj zog npaum li cas?
C1 pobzeb nplaum muaj zog npaum li cas? Lub zog ntawm C1 pobzeb nplaum tuaj yeem sib txawv nyob ntawm cov chaw tsim khoom thiab cov khoom tshwj xeeb. Txawm li cas los xij, raws li txoj cai dav dav, C1 pobzeb nplaum muaj lub zog tensile adhesion tsawg kawg yog 1 N / mm² thaum kuaj raws li European Standard EN 12004. Tensile ad ...Nyeem ntxiv -
Dab tsi yog qhov txawv ntawm C1 thiab C2 pobzeb nplaum?
Dab tsi yog qhov txawv ntawm C1 thiab C2 pobzeb nplaum? Qhov sib txawv tseem ceeb ntawm C1 thiab C2 pobzeb nplaum yog lawv cov kev faib tawm raws li European qauv. C1 thiab C2 xa mus rau ob pawg sib txawv ntawm cov cement-raws li cov nplaum nplaum, nrog C2 yog qhov kev faib ntau dua li C1. C1 mus...Nyeem ntxiv -
Hom 1 pobzeb nplaum siv rau dab tsi?
Hom 1 pobzeb nplaum siv rau dab tsi? Hom 1 pobzeb nplaum, tseem hu ua non-modified nplaum, yog ib hom cement-raws li nplaum nplaum uas feem ntau yog siv los kho cov vuas rau sab hauv phab ntsa thiab hauv pem teb. Nws yog tsim rau siv nrog ntau hom vuas, xws li ceramic, porcelain, thiab ntuj sto ...Nyeem ntxiv -
C2S1 pobzeb nplaum yog dab tsi?
C2S1 yog hom pobzeb nplaum uas yog tsim los siv rau hauv kev thov. Lo lus "C2" yog hais txog cov nplaum qhov kev faib tawm raws li European cov qauv, uas qhia tau hais tias nws yog cov nplaum nplaum uas muaj qib siab ntawm cov nplaum nplaum. Qhov "S1R...Nyeem ntxiv -
Dab tsi yog qhov txawv ntawm S1 thiab S2 pobzeb nplaum?
Dab tsi yog qhov txawv ntawm S1 thiab S2 pobzeb nplaum? Pobzeb nplaum yog ib hom nplaum siv los khi cov vuas rau ntau yam substrates, xws li pob zeb, plasterboard, lossis ntoo. Nws feem ntau yog ua los ntawm kev sib xyaw ntawm cov cement, xuab zeb, thiab ib qho polymer uas ntxiv los txhim kho nws cov adhesion, lub zog, thiab d ...Nyeem ntxiv -
Hydroxyethylcellulose dej solubility
Hydroxyethylcellulose dej solubility Hydroxyethylcellulose (HEC) yog cov dej-soluble polymer uas feem ntau yog siv los ua cov thickening agent, emulsifier, thiab binder hauv ntau daim ntawv thov, suav nrog cov khoom tu tus kheej, tshuaj, thiab cov txheej txheem kev lag luam. Kab lus no yuav tshawb txog lub wat...Nyeem ntxiv -
Puas yog HPMC yog cov nplaum?
Puas yog HPMC yog cov nplaum? HPMC (hydroxypropyl methylcellulose) feem ntau tsis yog siv los ua cov nplaum ntawm nws tus kheej. Nws yog ib qho khoom muaj nyob rau hauv ntau daim ntawv nplaum, txawm li cas los xij, thiab tuaj yeem ua tus khi los yog thickener los pab tuav cov nplaum ua ke thiab txhim kho nws cov kev ua tau zoo. Ntxiv rau nws peb ...Nyeem ntxiv -
Dab tsi yog hypromellose phthalate?
Dab tsi yog hypromellose phthalate? Hypromellose phthalate (HPMCP) yog ib hom tshuaj excipient uas yog siv nyob rau hauv formulation ntawm qhov ncauj noj cov ntaub ntawv, tshwj xeeb tshaj yog nyob rau hauv zus tau tej cov enteric-coated ntsiav tshuaj thiab tsiav tshuaj. Nws yog muab los ntawm cellulose, uas yog ib tug natural polymer uas tsim th ...Nyeem ntxiv -
Puas yog gypsum plaster waterproof?
Puas yog gypsum plaster waterproof? Gypsum plaster, tseem hu ua plaster ntawm Paris, yog ntau yam khoom siv hauv tsev uas tau siv ntau pua xyoo hauv kev tsim kho, kos duab, thiab lwm yam kev siv. Nws yog ib qho mos sulfate ntxhia muaj li ntawm calcium sulfate dihydrate, uas, thaum tov nrog dej, hardens kuv ...Nyeem ntxiv -
Lub gypsum plaster kav ntev npaum li cas?
Lub gypsum plaster kav ntev npaum li cas? Gypsum plaster, tseem hu ua plaster ntawm Paris, yog ntau yam khoom siv hauv tsev uas tau siv ntau txhiab xyoo hauv kev tsim vaj tsev, sculptures, thiab lwm yam qauv. Nws yog ib qho mos sulfate ntxhia muaj li ntawm calcium sulfate dihydrate, whi ...Nyeem ntxiv
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