Nrog rau kev txhim kho kev siv tshuab thiab kev lag luam, nrog rau kev txhim kho ntawm kev siv roj ua kom zoo, lub luag haujlwm ntawm dej-txo tus neeg sawv cev hauv pob zeb ua ntau dua thiab tseem ceeb. Niaj hnub no kuv yuav coj koj los nkag siab txog lub luag haujlwm tseem ceeb ntawm cov dej-txo tus neeg sawv cev hauv kev tsim kho.
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Siab Cov Dej Loog Reducing Siab admixture tau muab faib ua: (1)tom teb chaws; (2) polycyclic muaj ntxhiab ntsev; (3) Dej-Soluble Resin Sulfonates.Naphthalene superplasticizer, aliphatic superplasticizer, amino superplasticizer, polycarboxylickua qaub superplasticizer, thiab lwm yam.
Cov tsos daim foos tau muab faib ua cov kua thiab hmoov.Qhov cov tsos tsos tau muab faib ua cov kua thiab hmoov. Cov khoom siv cov ntsiab lus ntawm cov dej feem ntau 20%, 40% (tseem hu ua niam cawv), 60%, thiab cov ntsiab lus ntawm cov hmoov feem ntau yog 98%. Raws li cov dej txo thiab txhim kho kev muaj peev xwm ntawmDej txo tus neeg sawv cev, Nws tau muab faib ua cov neeg sawv cev dej dog dig (tseem hu ua cov roj yas) suav nrog naphthalene, Melamine, sulfamate, aliphaatic, thiab lwm yam) thiab kev txo dej siab dej-txo tus neeg sawv cev (cov dej txo qis qis dua 25%, nrog polycarboxylic acid nws yog sawv cev los ntawm dej txo tus neeg sawv cev), thiab muab faib ua hom txheej txheem ntxov, hom qauv thiab retarder.
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Tom qab ntxiv cov pob zeb sib xyaw, nws tuaj yeem rhuav tshem nws txoj kev ua haujlwm, txo cov dej haus dej, thiab txhim kho cov dej ntawm cov qhob sib xyaw; lossis txo qis cov khoom siv xis mas tau thiab tseg cov cement.
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Peb lub tuam txhab yog cov chaw tsim khoom lag luam dej-txo cov kab, kev cob qhia kev tshaj lij R & DE ntau lawm, kev ua haujlwm tshwj xeeb hauv cov neeg siv khoom siv thaum yooj yim.
Lub sij hawm Post: Lub Yim Hli 02-2021