Ungashintsha ama-mortar akho okuxuba okomile ngokufaka i-polyvinyl alcohol resin ehlanzekile kakhulu. I-Polyvinyl alcohol powder isebenza njenge-binder enamandla, i-film-former, kanye ne-thickener. Uthuthukisa amandla okubopha okuthambile, ukuguquguquka, kanye nokugcinwa kwamanzi ngokushesha. Abakhiqizi bakhetha umhlinzeki wase-China PVA powder polyvinyl alcohol we-Adhesive / Mortar Construction ukuze bayeke ukuqhekeka kokuqhekeka, bandise isikhathi sokuvula, futhi bakhe izingxube zesamente eziqinile.
- •Ukwengeza i-polyvinyl alcohol powder ku-dry cement mortar kwakha izibopho eziqinile futhi kuvimbele ukuqhekeka komphezulu.
- •I-PVA igcina amanzi ngaphakathi kwezingxube zesimende ezimanzi ukuze inike abasebenzi isikhathi esengeziwe sokufaka amathayili kalula.
- •Ama-PVA ancibilike kancane emanzini abandayo ukuze enze ama-putty odonga aguquguqukayo futhi ahlala isikhathi eside.
Izindima Ezibalulekile Zobuchwepheshe ze-PVA Ezindaweni Zokwakha
Ungaguqula amafomula avamile okuxuba okomile abe yizingcezu zokwakha ezisebenza kahle kakhulu ngokufaka i-polyvinyl alcohol powder. I-PVA resin yezinga eliphezulu isebenza njenge-binder ephumelelayo, i-film-former, kanye ne-thickener. Uthola izakhiwo zomzimba ezingcono, amandla aphezulu okusebenza, kanye nokuqina okuhle kwesikhathi eside emikhiqizweni yakho eqinisa ubumba.
Amandla Nokunamathela Okuphakeme Kwesibopho Sokunamathela
Uma uxuba udaka olomile namanzi, impuphu ye-PVA iyancibilika ngokushesha futhi idale i-polymer matrix efanayo. Le matrix imboza izinhlayiya zesimende futhi igcwalise izikhala ezincane ngaphakathi kwe-cement paste. Njengoba usimende umanzi, i-polymer yakha izibopho zamakhemikhali eziqinile kokubili i-substrate kanye nenethiwekhi ye-cementitious. Uthola amandla aphezulu kakhulu e-tensile bond, okuvimbela ukuqhekeka kwethayela, ukuqhekeka kwe-wall putty, kanye nokuqhekeka kwendawo ngokuhamba kwesikhathi.
Abacwaningi babhale phansi ukuthi ukuguqulwa kwe-polymer kanye ne-fiber kuqinisa kanjani ama-matrices e-cementitious:
| Ireferensi Yocwaningo | Indima Eyinhloko Yobuchwepheshe Ye-PVA Ephenywayo | Ukutholwa Okuyinhloko Okuhlobene Nokusebenza Kwe-Mortar | Imininingwane Esekelayo |
|---|---|---|---|
| UDeng nabanye. (2020) – Ukwakha. Ukwakha. | Ukuqinisa ifayibha kokuziphatha kokuqina | Ukuziphatha okuthuthukisiwe kokuthambekela kwe-textile-reinforced mortar (TRM) | Imicu ye-PVA emifushane ithuthukisa ukusebenza kokuqina kwezinhlelo ze-TRM. |
| UWang nabanye (2018) – Ukwakha. Ukwakha. | Ukuqinisa ifayibha kuma-matrices ekhonkrithi aguquliwe | Izakhiwo ezithuthukisiwe kanye nokusebenza kahle kukhonkolo yerabha | Imicu ye-PVA ithuthukisa ukusebenza kwe-matrices yekhonkrithi eguquliwe ngerabha. |
| ULiu nabanye (2024) – J. Build. IsiNgisi. | Ukuthuthukiswa kwesikhombikubona ezinhlelweni ze-geopolymer | Ukusebenza okuthuthukisiwe kwesixhumi esibonakalayo kukhonkolo ye-geopolymer | Imicu ye-PVA eguquliwe ye-Nano-SiO2 ithuthukisa isikhombimsebenzisi se-fiber-matrix. |
| UCheng nabanye (2023) – Ukusimama | Ukusebenza Kuma-Composites Ahlanganisiwe E-Cementitious (ECCs) | Ukubuyekezwa kokusebenza kwe-PVA fiber kuma-ECC | Ifingqa indima yefayibha ye-PVA ekufinyeleleni ukuqina kwenhlanganisela okusebenzayo okuphezulu. |
| Uphenyo Lokuhlola (Isihloko se-PMC) | Indlela yokuqinisa ngezinga eliningi | Okuqukethwe kwe-PVA okuhle kakhulu (0.4–0.8 vol%) kuthuthukisa amandla aphelele | I-PVA idala inethiwekhi ye-3D ehlanganisa imifantu emincane futhi inciphise indawo yokuguquka ngokubopha i-hydrogen. |
Ukwakheka Kwamafilimu Okuguquguqukayo Nokunciphisa Ukonakala
Izimbotshana zesimende ezijwayelekile ziyancibilika njengoba amanzi ehwamuka ngesikhathi sokuqina. Lokhu kuncipha kokomisa kudala ukucindezeleka kwangaphakathi, okubangela imifantu emincane ebusweni ebeka engcupheni ubuqotho besakhiwo. I-resin ye-PVA encibilikile isabalalisa ngokulinganayo kuyo yonke inhlama emanzi. Njengoba izimbotshana zakho zoma, i-polymer iyahlangana ukuze yakhe ulwelwesi oluqhubekayo noluguquguqukayo kuzo zonke izimbotshana ezincane.
Ngenxa yesakhiwo sayo esiyingqayizivele sama-molecule, i-PVA yakha ifilimu eqinile, enwebekayo ngesikhathi senqubo yokwelapha, ethuthukisa ukumelana nokushayisana nokuqina kwezinto eziqediwe ngenkathi inciphisa ngempumelelo ukwakheka kwemifantu yokuncibilika kobuso.
Le nethiwekhi ye-polymer ihlanganisa imifantu emincane ngokushesha futhi imunce ukucindezeleka kwesakhiwo okubangelwa ukwanda kokushisa noma imithwalo yemishini. Ukhiqiza ama-skim coats aguquguqukayo, ama-wall putty, kanye nama-tile anamathelayo amelana nokunyakaza kwemvelo ngaphandle kokuqhekeka noma ukuncipha.
Ukugcinwa Kwamanzi Nokuthuthukiswa Kokusebenza
Ukumuncwa okufanele kudinga ukugcinwa kwamanzi okwanele ngaphakathi kwe-mortar entsha. Izingxube ze-samente ezijwayelekile zilahlekelwa amanzi ngokushesha ngokuhwamuka kanye nokumuncwa zibe yizicucu ezinezimbobo njengezitini noma amabhlogo e-concrete. Ukulahleka kwamanzi okusheshayo kunciphisa ukusabela kokumuncwa kwe-samente, okubangela amandla aphansi ebusweni, ukuthungwa kothuli, kanye nokunamathela okubi.
Impuphu ye-PVA iqukethe amaqembu amaningi e-hydrophilic hydroxyl ku-chain yayo ye-polymer. La maqembu asebenzayo abopha ama-molecule amanzi ngezibopho ze-hydrogen, ebamba umswakama ngokuqinile ngaphakathi kwengxube emanzi. Wandisa isikhathi sokuvula kwama-mortar akho, unikeza abahleli bamathayela kanye nabaphasi isikhathi esengeziwe sokulungisa izinto. Isixazululo se-polymer esijiyile sisebenza futhi njengesiguquli se-rheology. Uthola ukuthambisa okuphezulu, izici zokudonsa ezibushelelezi, kanye nezakhiwo eziqinile zokulwa nokuwa ezindongeni eziqondile.
Ukuguguleka kanye nokumelana nomthelela
Izimbotshana ezingashintshiwe zivame ukubonisa ubulukhuni obuphansi bomphezulu kanye nokuziphatha okubuthakathaka kwemishini ngaphansi kwemithwalo enamandla. Ukuguqulwa kwe-PVA kuguqula isakhiwo sangaphakathi sezimbotshana eziqinile. Ifilimu ye-polymer eqhubekayo igoqa izinhlamvu zesihlabathi ngasinye kanye nemikhiqizo yomswakama, idale isakhiwo se-co-matrix esasakaza amandla endawo ngokulinganayo.
Izimbotshana zakho ezilungisiwe ziyamelana nokuklwebheka komhlaba, ukuhamba ngezinyawo okukhulu, kanye nokushayisana okuphindaphindiwe kwemishini. Ukuhlangana okuthuthukisiwe kuvimbela ukwakheka kothuli ezinsikeni zaphansi futhi kuvikela ukuqedwa kodonga lwangaphandle ezimweni zezulu ezimbi. Ngokufaka i-PVA powder ehlanzekile kakhulu ezinhlotsheni zakho zokuxuba ezomile, ukhiqiza izimbotshana eziqinile nezihlala isikhathi eside ezihlangabezana nezindinganiso zokwakha eziqinile.
Izicelo Eziyinhloko Zobumba Lwe-PVA Powder
Ungathuthukisa izimbotshana ezomile ezixutshwe kahle kumaphrojekthi amaningi okwakha ngezithasiselo ze-polymer ezihlanzekile kakhulu. Ukwengeza i-polymer resin kuthuthukisa izakhiwo zomzimba futhi kwenza kube lula izinqubo zokufaka isicelo kubasebenzi.
Izinamathiseli Zamathayili kanye nama-Grout Asimenti
Amathayili asindayo adinga amandla aqinile okubopha kanye nokumelana namanzi. I-polyvinyl alcohol iqinisa usimende inamathela ngokuqinile ezindaweni ezibushelelezi ze-porcelain kanye nezindonga zekhonkrithi.
- Izinhlobo ze-grout zesimanje zifinyelela ukumelana kwamanzi kanye namandla afanele ngesilinganiso se-fiber ye-PVA esingu-0.3%.
- Izibopho ze-polymer eziqinile zivimbela amathayili ukuthi angasheleli phansi ezindaweni eziqondile ngesikhathi sokufakwa.
Ama-Wall Putty nama-Skim Coats
Ama-putty amancane odongeni adinga ukuguquguquka ukuze ahlale ebushelelezi ngokuhamba kwesikhathi. Impuphu ye-PVA ibopha ama-filler amancane, idale izindawo ezixinene, ezingenama-crack.
Ama-polymer aphinde afakwe amanzi anele akha inethiwekhi evikelayo eqinile ngaphakathi kwe-wall putty. Lolu hlelo lunciphisa ukumuncwa kwamanzi, luvimbela ukuba impuphu yomphezulu, futhi luvimbele ukuthamba kwe-interface ngemva kokuvezwa umswakama.
Ukwengeza i-PVA powder kuletha izinzuzo ezibalulekile zesakhiwo:
- · Kuthuthukisa ukunwebeka kwengqimba iyonke.
- · Kunciphisa kakhulu ukoma.
- · Kuvimbela imifantu emincane ezindongeni ezibanzi zangaphakathi.
Izinhlanganisela Zokuhlela Phansi Ezizilinganisayo
Izitezi ezingaphansi komhlaba zidinga ukulevelishwa okusheshayo kanye nokuqina komphezulu okufanayo. Ukuhlanganisa umhlinzeki waseShayina i-PVA powder polyvinyl alcohol ye-Adhesive / Mortar Construction kulawula i-rheology yoketshezi ngenkathi kuvimbela ukuhlukaniswa kwezinto. Ufinyelela izitezi eziyisicaba, ezingenalo uthuli eziphola ngokushesha ngaphansi kwezimo ezinzima.
Izinhlelo Zokuvala Nokucisha Zangaphandle (i-EIFS)
Amajazi odonga angaphandle abhekene nokucindezeleka okushisa okuqhubekayo kanye nemvula enamandla. I-PVA resin inikeza ukuguquguquka okudingekayo kwama-mortar e-basecoat phezu kwamabhodi okuvikela athambile. Uvikela amaphaneli okuvikela angaphansi ngenkathi wakha ama-façade angaphandle ahlala isikhathi eside, amelana nesimo sezulu.
Ukwakha Izimbozo Zesimende Nge-PVA Resin
Kumelwe ubale izilinganiso eziqondile zezemfundo ukuze wakhe amafomula aqinile futhi anokwethenjelwa okuxubana okomile. Izithasiselo ze-polymer zishintsha inethiwekhi ebonakalayo ye-paste yesimende. Ukwengeza inani elifanele le-resin ye-polymer kuqinisekisa ukusebenza kahle, ukubopha okuqinile, kanye nokumelana okuphezulu kokuqhekeka emikhiqizweni yakho eqediwe.
Amanani Omthamo Anconyiwe kanye Nokulingana
Kumelwe uvumelanise amazinga akho omthamo nezidingo zokusebenza ezithile zesicelo sakho. Ukulungiswa okuncane kokuqukethwe kwe-polymer kudala izinguquko ezinkulu ekunamatheleni okuqinile kanye nokumelana namanzi. Izinamathiseli zethayela ezisekelwe kusimende zidinga imithwalo eqondile ye-polymer ukuvimbela ukushelela kwethayela eliqondile kanye nokwehluleka kwesibopho.
| Uhlobo Lohlelo Lokusebenza | Isilinganiso Esinconyiwe | Isisekelo Sokubalwa Kwesilinganiso | Umgomo Wokwakha Oyinhloko |
|---|---|---|---|
| Izinamathiseli Zamathayili Ezisekelwe Kusimende | 0.5% kuya ku-2.0lt;/td> | Isisindo sokuxuba esomile | Kukhulisa ukunamathela futhi kwandise isikhathi sokuvula |
| I-anti-Crack Mortar (I-Fiber) | 0.9–1.2 kg/m³ | Inzuzo yangempela yeqembu | Kuvimbela ukuqhekeka okuncane kobuso |
| I-High Ductile Mortar (HDM) | Isisekelo sephesenti levolumu | Ivolumu ye-matrix | Kuthuthukisa amandla okuguquguquka kanye nomthamo wokucindezeleka |
Kufanele ubale umthamo wefayibha usebenzisa isivuno sangempela se-batch se-mixer yakho kunevolumu ye-nameplate. Ungalungisa umklamo wakho we-mix ngokulandela inqubo yokuhlola ehlelekile:
| Isici Somhlahlandlela | Izincomo Ezisekelwe Ebufakazini |
|---|---|
| Ibanga Lomthamo Ojwayelekile (I-Anti-Crack Mortar) | 0.9–1.2 kg we-PVA fibre nge-cubic meter (m³) yodaka, enobude be-fibre obungu-6 mm njengendawo evamile yokuqala. |
| Indlela Yokubala (Isilinganiso Ngeqembu) | I-fibre nge-batch (kg) = Isilinganiso esichaziwe (kg/m³) × Isivuno sangempela se-batch (m³). Igcizelela ukusebenzisa isivuno sangempela, hhayi ivolumu yegama le-mixer. |
| Isisekelo Sokucaciswa Kwesilinganiso | Sebenzisa i-kg/m³ ku-mortar evamile; iphesenti levolumu lama-Engineered Cementitious Composites (ECC); iphesenti lesisindo esomile ku-fiber cement. Kubalulekile ukusho isisekelo ukuze ugweme amaphutha (isb., 2% ngevolumu ≠ 2% ngesisindo esomile). |
| Iphrothokholi Yokuklama Isilingo | Gcina i-matrix yokubhekisela engaguquki bese ushintsha i-variable eyodwa ngesikhathi. Uchungechunge oluphakanyisiwe lwe-anti-crack mortar luyi-fiber-free control kanye ne-0.9, 1.05, kanye ne-1.2 kg/m³. Gcina isilinganiso samanzi-kuya-esibambisweni singaguquki bese ulungisa i-water reducer kuphela ezivivinyweni ezihlukene nezibhalwe phansi. |
Ukukhetha ama-Hydrolysis nama-Viscosity Grades
Kumelwe ukhethe izinga elifanele le-hydrolysis kanye nesisindo sama-molecule engxubeni yakho. I-hydrolysis inquma ukuthi i-polymer incibilika ngokushesha kangakanani emanzini abandayo. Ama-polymer ancibilikiswe kancane ancibilika ngokushesha emanzini okushisa kwegumbi, okwenza abe afanele kakhulu kuma-mortar omile axutshwe ensimini.
| Isici | Imininingwane |
|---|---|
| Ibanga le-PVA elinconyiwe | I-PVA-2488 |
| I-Hydrolysis Degree Enconyiwe | 86.0 – 89.0 mol% |
| Umthombo Wezincomo | Umkhiqizi (i-MIXEON) ngqo wemikhiqizo yokwakha. |
| Izicelo Zokwakha Eziyinhloko | Udaka oluxutshwe okomile, i-putty yempuphu eyomile, imikhiqizo ye-gypsum, i-tile bonding. |
| Izinzuzo Eziyinhloko ku-Mortar | Kwandisa ukunamathela kusimende/ilayimu/i-gypsum, kuthuthukisa ukusebenza kahle, kunciphisa ukoma ukuze kuvinjelwe ukuqhekeka kwendawo. |
I-polymer viscosity ishintsha ngqo indlela yokugeleza kwamanzi kwezingxube ze-mortar ezintsha. Ukuthola izinto zakho kusuka ku-umhlinzeki othembekileNjengomhlinzeki waseShayina i-PVA powder polyvinyl alcohol ye-Adhesive / Mortar Construction ikusiza ukuthi ufinyelele ukulawula okuqinile kwe-viscosity kuzo zonke izigaba. Inethiwekhi ye-polymer chain ishintsha ukuhlangana kwangaphakathi ngokushesha.
Imicu eguquguqukayo (isb., i-polypropylene kanye ne-polyvinyl alcohol fiber) ingandisa i-viscosity ngokusebenzisa: (1) ukuguqulwa kwemicu kanye nokwakheka kwesakhiwo esihlangene; kanye (2) i-shear viscosity yanda ngokwanda kokuguquguquka kwemicu okuyenza ikwazi ukubhangqa esakhiweni esinomumo we-S kanye nokunyakaza kwezinhlayiya okuqhubekayo.
Izindlela Ezinhle Zokuhlanganisa Nokuhlakaza Okomile
Kumelwe ufeze ukuhlakazeka okufanayo kwe-polymer ngaphakathi kwezingxube zempuphu eyomile ngaphambi kokufaka amanzi okuxuba. Ama-polymer ahlakazekile kahle adala amaqhubu, anciphise amandla, futhi abangele amaphutha ebusweni ezindongeni eziqediwe.
| Isigaba Sokuxuba | Kudingeka Isinyathelo | Umphumela Wobuchwepheshe |
|---|---|---|
| Ukuxuba Okuphambili Kwenkampani Yenethiwekhi | Linganisa i-polymer powder ibe yingxenyana encane yokuthwala njengesihlabathi esomile noma isitsha esincane sokugcwalisa. | Ihlukanisa izinhlayiya ze-polymer ngokulinganayo phakathi kwamaminerali amancane. |
| Ukuxuba Okuyinhloko Komile | Faka i-premix yokuthwala engxubeni eyomile eyinhloko ngaphambi kokufaka amanzi. | Isabalalisa izithako ezisebenzayo ngokulinganayo kulo lonke i-batch eyomile. |
| Ukwengezwa Kwamanzi | Hlanganisa i-powder eyomile exutshwe namanzi ahlanzekile ukuze kube nomjikelezo omfushane, oqinile wokuxuba. | Ifaka amanzi ku-polymer ngokushesha ngaphandle kokwenza amabhola e-fiber noma ama-resin clumps. |
Ukusabalala okufanele kuguqula ukusebenza okuqinile kwezingcezu zesamente. Ukusatshalaliswa kwefayibha okufanako okunezinhlangothi ezimbili kuhlanganisa izinhlayiya zesamente ngokulinganayo, kwandisa amandla okuguquguquka kanye nomthamo wokuphambuka ezinhlelweni ze-High Ductile Mortar. Ukumbozwa kwe-polymer okufanako kuqinisa indawo yokuguquka kwangaphakathi futhi kuvimbele ukugxila kokucindezeleka kwendawo.
Umhlinzeki waseShayina we-PVA Powder Polyvinyl Alcohol wokwakha okunamathelayo/okwakha udaka
Udinga izinto zokusetshenziswa ezinokwethenjelwa ukuze ukhiqize izingcezu eziqinile ze-cement. Ukuthola i-resin ehlanzekile kakhulu kumkhiqizi odumile kuqinisekisa ukusebenza kahle komkhiqizo. I-Shanghai Zoran New Material Co. Ltd ihlinzekaizithasiselo ze-polymer eziphezulungamaphrojekthi akho okwakha omhlaba wonke.
Izindinganiso Zokuqinisekisa Ikhwalithi Nokuhlanzeka
Kumelwe uqinisekise ubumsulwa be-polymer ngaphambi kokuxuba amaqoqo amakhulu okukhiqiza. Amalabhorethri esimanje enza ukuhlolwa okuqinile ngaphansi kwezimo ezijwayelekile zokushisa kwegumbi okungu-20°C kanye nomswakama ohlobene ongu-50%.
Ungaqinisekisa ikhwalithi yezinto ezibonakalayo usebenzisa izivivinyo ezine ezijwayelekile zobuningi:
- · Ukuhlolwa Kokuqina Kweqiniso Okuqinile: Isebenzisa indlela ye-pycnometer kumasampula omiswe ngokuphelele ukuze kuqedwe ukuphazamiseka komswakama.
- · Ukuhlolwa Kobuningi: Isebenzisa indlela ye-funnel enomthamo ohleliwe ukukala ubuningi be-powder stacking ukuze kuphakelwe kahle i-hopper.
- · Ukuhlolwa Kobuningi Besixazululo: Isebenzisa imitha yobuningi bedijithali ezixazululweni zamanzi ukuze ilinganise okuqukethwe okuqinile kwesikhathi sangempela.
- · Izimo Zokuhlola Ezijwayelekile: Igcina ukulawula okuqinile kwemvelo ukuqinisekisa ubumsulwa obungaguquki.
Izinhlelo ze-PLC ezizenzakalelayo ziqapha ukukhiqizwa kwefektri ngaphansi kwezitifiketi ze-ISO9001 kanye ne-ISO14001. Uthola Izitifiketi Zokuhlaziya Eziqinisekisiwe kukho konke ukuthunyelwa.
Ukukhethwa KwamaBanga Kwamafomula Okwakha
Kufanele ukhethe amamaki e-polymer athile ngokusekelwe ezidingweni zakho zomkhiqizo eziqondile. I-Shanghai Zoran New Material Co. Ltd ikhiqiza amamodeli ahlukahlukene e-resin, kufaka phakathi i-PVA17-99, i-PVA26-99, i-PVA17-88, kanye ne-PVA05-88. Amamaki afakwe i-hydrolyzed kancane ancibilika ngokushesha emanzini abandayo. Ungakhetha Umhlinzeki wase-ChinaI-PVA powder polyvinyl alcohol ye-powderUkwakhiwa kwe-Adhesive/Mortar ukuze kuthuthukiswe isikhathi sokuvula kanye namandla okubopha kuma-adhesive e-tile, ama-skim coats, kanye naphansi azimele.
Ukuthembeka Kwe-Supply Chain kanye Nokuthengwa Kwempahla Ngobuningi
Uvikela indawo yakho yokukhiqiza ekushodeni kwezinto ezibonakalayo ngokubambisana ngqo nabakhiqizi baseShayina. IShayina inikeza ukuzinza kwezindleko okumangalisayo ngoba i-vinyl acetate yasekhaya ihlinzeka ngaphezu kuka-80% wochungechunge lwezinto zokusetshenziswa. Amandla amakhulu okukhiqiza avumela ukwanda okusheshayo kokukhipha ngesikhathi sokukhuphuka kwesidingo okungazelelwe. Ukusondelana namachweba amakhulu okuthumela kuqinisekisa imijikelezo yokuthumela ngaphandle esheshayo. Ngaphezu kwalokho, ungavikela izinketho zokupakisha eziguquguqukayo ezisukela kumasaka angu-12.5 kg kuya kumasaka alukiwe angu-1000 kg. Ukusungula isitokwe se-buffer sendawo kuvikela kakhulu ukusebenza kwakho ekubambezelekeni kokuthunyelwa kwempahla olwandle.
Impuphu yotshwala ye-Polyvinyl inikeza ukunamathela okubalulekile, ukuguquguquka, kanye nokulawula umswakama kwemikhiqizo yakho yotshwala esebenza kahle. Uthola amandla okuthamba aphezulu kanye nokuqina kwesikhathi eside kuyo yonke ingxube enesimende. Ukuthola i-resin ehlanzekile kakhulu kuMphakeli othembekile waseShayina we-PVA powder ye-polyvinyl alcohol ye-Adhesive / Mortar Construction kukusiza ukuthi ugcine ikhwalithi efanayo ngenkathi wenza ngcono izindleko zezinto ngendlela ephumelelayo.
Imibuzo Evame Ukubuzwa
Yiliphi izinga le-hydrolysis elisebenza kahle kakhulu ekwakhiweni kwe-dry-mix mortar?
Kufanele ukhethe amazinga e-PVA afakwe i-hydrolyzed kancane ane-hydrolysis engu-86% kuya ku-89%. Lawa mazinga ancibilika ngokushesha emanzini abandayo futhi athuthukise ukunamathela kwe-mortar iyonke ngokushesha.
Impuphu ye-PVA ikuvimbela kanjani ukuqhekeka kwama-putty odongeni kanye nama-render?
I-PVA yakha ifilimu ye-polymer eguquguqukayo ngesikhathi sokuqina. Le nethiwekhi eqhubekayo ihlanganisa imifantu emincane, imunce ukucindezeleka kokuncipha, futhi ithuthukise ukugcinwa komswakama ngaphakathi kwe-mortar entsha.
Kungani kufanele uthole i-PVA powder kwaShanghai Zoran New Material Co. Ltd?
Izinto Ezintsha zaseShanghai Zoraninikeza amazinga e-PVA aqinisekisiwe yi-ISO, ahlanzekile kakhulu njenge-PVA17-88 kanye ne-PVA24-88. Uthola ikhwalithi yomkhiqizo eqinisekisiwe, ukulawulwa okuqinile kwe-viscosity, kanye nokunikezwa kwenqwaba okuthembekile.
Isikhathi sokuthunyelwe: Agasti-13-2026