Polycarboxylate Ether Cov Kws Daws Teeb Meem
Qhov rov ua dej rov qab yog qhov nqus dej uas muaj peev xwm ncua kev tsis haum cov dej ntawm cov cement, yog li ua kom lub sijhawm ntev ntawm kev ua vaj tse.
Kev siv cov rov ua dua tshiab tuaj yeem khaws cov yas qhob yas siv sijhawm ntev, ua kom yooj yim nchuav, txhim kho kev tsim kho, thiab yuav tsis cuam tshuam dab tsi rau kev ua haujlwm tom qab ntawm cov pob zeb.
Hauj lwm lawm
Polycarboxylate Ether superplasticizer rau kev ua vaj tse
Qhov rov ua dej rov qab yog qhov nqus dej uas muaj peev xwm ncua kev tsis haum cov dej ntawm cov cement, yog li ua kom lub sijhawm ntev ntawm kev ua vaj tse.
Kev siv cov rov ua dua tshiab tuaj yeem khaws cov yas qhob yas siv sijhawm ntev, ua kom yooj yim nchuav, txhim kho kev tsim kho, thiab yuav tsis cuam tshuam dab tsi rau kev ua haujlwm tom qab ntawm cov pob zeb.
Txog kev nqus pob zeb lossis pob zeb ua kev tsim ua hauv qab qhov kub nyob rau lub caij ntuj sov, kev siv lub tshuab ua kom ntev thiab dej rov qab tuaj yeem tuaj yeem txo qhov kev poob qis. Ua kom ntseeg tau ntawm kev thauj mus los ib txwm thiab nqus ntawm pob zeb thiab txhim kho kev ua haujlwm. Zam kev muab cov khoom pov tseg.
Kev ua kom loj-pob zeb, los ntawm kev ntxiv lub zog rov qab, qhov kub siab tshaj plaws ntawm pob zeb tuaj yeem raug txo qis, lub sijhawm ntawm qhov kub siab yuav tuaj yeem ncua sijhawm, thiab lub sijhawm ntawm pob zeb ua kev kub ntxhov siab tawg tau txais kev tiv thaiv zoo.
Cov ntawv thov
1. Ncua kev teeb tsa thaum pib thiab qhov kawg kev teeb tsa lub sijhawm ntawm pob zeb tsis cuam tshuam rau lub zog tom qab ntawm cov pob zeb.
Nws tuaj yeem siv ib leeg los yog ua ke nrog kev tsim cov taub dej, thiab lwm yam, nrog qee qhov dej tsawg.
2. Txhawm rau ncua lub pob zeb ua kom ruaj khov thiab ua kom ntev lub sijhawm solidification, feem ntau nws tsis cuam tshuam rau qhov zoo ntawm cov pob zeb ua. Thaum siv ua ke nrog tus neeg sawv cev txo cov dej, nws tuaj yeem nce tus nqi dej kom tsawg dua qub. Tom qab dhau-kev sib xyaw, cov pob zeb yuav tsis ua kom ntev ntev, thiaj li rhuav tshem cov pob zeb tsis zoo. Kev saib xyuas yuav tsum tau them nyiaj thaum lub sijhawm tsim kho.
3. Qhov ntau npaum li cas yuav tsum txiav txim siab raws li kev yoog ntawm cov cement lossis pob zeb ua, thiab qhov ntau npaum li cas yog li 0.1% -1% ntawm cov koob tshuaj cement.
Cov ：
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