Post Date:20, Gumiguru,2025
Ndezvipi zvinhu zvinodikanwa zvegypsum self-leveling mortar?
1. Active admixtures: Self-leveling zvinhu zvinogona kushandisa nhunzi ash, slag poda, uye mamwe anoshanda admixtures kunatsiridza particle size kugovera uye kuwedzera zvimiro zvezvakaomeswa zvinhu. Slag poda inopinda hydration munzvimbo ine alkaline, ichiwedzera density yezvinyorwa uye simba rekupedzisira.
2. Early-simba cementitious material: Kuti ive nechokwadi chekuvaka nguva, zvigadzirwa zvekuzvimisa zvine zvimwe zvinodiwa zvekutanga simba (kunyanya 24-awa flexural uye compressive simba). Sulphoaluminate simenti inoshandiswa seyekutanga-simba sementitious zvinhu. Sulphoaluminate simende hydrates nekukurumidza uye inopa yakakwira simba rekutanga, kuita izvi zvinodiwa.
3. Alkaline activator: Gypsum composite cementitious materials inowana simba rayo repamusoro-soro rakaoma pasi pemamiriro ane mwero alkaline. Quicklime uye 32.5 simende inogona kushandiswa kugadzirisa pH kugadzira alkaline nharaunda ye hydration.
4. Kuisa accelerator: Kuisa nguva ndiyo inokosha yekushanda chiratidzo chezvinhu zvekuzvigadzirisa. Kugadza nguva yakanyanyopfupika kana kuti yakarebesa kunokuvadza kuvaka. Iyo coagulant inomutsa chiitiko chegypsum, ichimhanyisa iyo supersaturated crystallization ye dihydrate gypsum, kupfupisa nguva yekumisikidza, uye kuchengetedza kuseta uye kuomesa nguva yekuzvimiririra zvinhu mukati mechikamu chinonzwisisika.
5. Mvura Inoderedza: Kuti uvandudze kuwanda uye kusimba kwezvigadziro zvega-leveling, chiyero chemvura-ku-samende chinofanira kuderedzwa. Paunenge uchichengetedza mvura yakanaka, kuwedzera kwekudzikisa mvura kunodiwa. Nzira yekudzikisa mvura ye naphthalene-based water reducer ndeyekuti mapoka e-sulfonic acid mu naphthalene-based water reducer molecules hydrogen-bond nemamorekuru emvura, achigadzira firimu remvura rakagadzikana pamusoro pechinhu chesimenti. Izvi zvinofambisa kutsvedza kwezvinhu zvimedu, kuderedza kuwanda kwekusanganiswa kwemvura kunodiwa uye kugadzirisa chimiro chechinhu chakaoma.
6. Mvura Inochengetedza Mumiririri: Zvigadzirwa zvekuzvigadzirisa zvinoshandiswa pachidimbu chinenge chakatetepa, zvichiita kuti zvive nyore kunyura nechepasi. Izvi zvinogona kukonzera kusakwana kwemvura, kutsemuka kwepamusoro, uye kuderedzwa kwesimba. Muchiyedzo ichi, methylcellulose (MC) yakasarudzwa sechinhu chekuchengetedza mvura. MC inoratidzira kunyorova kwakanyanya, kuchengetwa kwemvura, uye firimu-kugadzira zvivakwa, kudzivirira kubuda kwemvura uye kuve nechokwadi chekuzadza kwakazara kweiyo-yega-leveling zvinhu.
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8. Defoaming agent: Defoaming agents vanogona kuvandudza zvinhu zvepamusoro zvezvigadziro zvekuzvigadzirisa, kuderedza mabhubhu panguva yekuumba, uye kugovera kusimba rezvinyorwa.
Nguva yekutumira: Oct-20-2025