Pakugadzira nekushandisa putty powder, tichasangana nematambudziko akasiyana-siyana. Nhasi, zvatiri kutaura nezvazvo ndezvekuti kana putty powder ikasanganiswa nemvura, paunonyanya kusanganisa, putty inotetepa, uye chiitiko chekuparadzaniswa kwemvura chichava chakakomba.
Chikonzero chikuru chedambudziko iri ndechekuti hydroxypropyl methylcellulose inowedzerwa muputty powder haina kukodzera. Ngatitarisei mashandiro ayo uye kuti tingaigadzirisa sei.
Nheyo yekuti putty powder irambe ichitetepa:
1. Kusviba kwehydroxypropyl methylcellulose hakusarudzwi zvakanaka, kusviba kwacho kwakaderera zvakanyanya, uye mhedzisiro yekumisikidzwa haina kukwana. Panguva ino, kuparadzaniswa kwakanyanya kwemvura kuchaitika, uye mhedzisiro yekumisikidzwa kwakafanana haizoratidzike;
2. Wedzera chinhu chinochengetedza mvura muputty powder, iyo ine simba rakanaka rekuchengetedza mvura. Kana putty yanyungudika nemvura, inovhara mvura yakawanda. Panguva ino, mvura yakawanda inosanganiswa kuita mapoka emvura. Nekukurunga mvura yakawanda inoparadzaniswa, saka dambudziko rinowanzoitika nderekuti paunokurunga kakawanda, inova yakatetepa. Vanhu vazhinji vakasangana nedambudziko iri, unogona kuderedza huwandu hwe cellulose yakawedzerwa kana kuderedza mvura yakawedzerwa;
3. Ine hukama hwakati nechimiro chehydroxypropyl methylcellulose uye ine thixotropy. Saka, mushure mekuwedzera cellulose, chifukidziro chose chine thixotropy yakati. Kana putty ikakurungwa nekukurumidza, chimiro chayo chose chinopararira uye chinova chitete uye chitete, asi kana yasara isina kugadzikana, inodzoka zvishoma nezvishoma.
Mhinduro: Paunenge uchishandisa putty powder, wedzera mvura wokurunga kuti isvike padanho rakakodzera, asi kana uchiwedzera mvura, uchaona kuti mvura yakawanda inowedzerwa, inovawo diki. Chii chinoita kuti izvi zviitike?
1. Cellulose inoshandiswa sechinhu chinosimbisa uye chinochengetedza mvura muputty powder, asi nekuda kwethixotropy yecellulose pachayo, kuwedzerwa kwecellulose muputty powder kunotungamirawo kuthixotropy mushure mekuwedzera mvura muputty;
2. Iyi thixotropy inokonzerwa nekuparadzwa kwechimiro chezvikamu zviri muputty powder. Chimiro ichi chinogadzirwa panguva yekuzorora uye chinobviswa panguva yekumanikidzwa, kureva kuti, viscosity inoderera kana yakurungwa, uye viscosity pakuzorora. Kudzorerwa, saka pachava nechiitiko chekuti putty powder inova tete kana yawedzerwa nemvura;
3. Pamusoro pezvo, kana putty powder iri kushandiswa, inooma nekukurumidza nekuti kuwedzera zvakanyanya ash calcium powder kunoenderana nekuoma kwemadziro. Kubviswa nekumonereka kweputty powder kunoenderana nekuwanda kwemvura inochengetwa;
4. Saka, kuti tidzivise mamiriro asina basa, tinofanira kungwarira matambudziko aya patinenge tichiashandisa.
Nguva yekutumira: Chikumi-02-2023