Umgubo we-PVA usebenza njengesixhobo esinamandla sokubopha. Unyusa kakhulu amandla okuncamathelisa, ukuguquguquka, kunye nokumelana namanzi kwimixube esekelwe kwisamente. Ukongeza umgubo we-PVA kudala ulwelwesi lwe-polymer oluncinci. Olu lwelwelwe lubopha zombini i-aggregate kunye ne-substrate. Lusombulula izizathu ezibangela ukungaphumeleli okuqhelekileyo: ukunamathela okungalunganga, ukuthululwa kothuli kumphezulu, ukuqhekeka. Umthengisi othembekileyo waseTshayina we-PVA powder polyvinyl alcohol ye-Adhesive / Mortar inika umgangatho owufunayo. Sebenzisa umgubo we-PVA ngokuchanekileyo ukuze ufumane iziphumo ezihlala ixesha elide nezisemgangathweni ophezulu.
Izinto ezibalulekileyo ekufuneka ziqwalaselwe
· Umgubo we-PVAidala ulwelwe lwepolymer oludibanisa amasuntswana esamente ngamandla.
· Ithintela uthuli olungaphezulu kwaye inciphisa ukuqhekeka kwemifantu kwi-mortar.
· Yongeza umgubo we-PVA oyi-0.3% ukuya kwi-0.5% kumxube owomileyo ukuze ufumane iziphumo ezilungileyo.
Yintoni i-PVA Powder kwaye isebenza njani?
Umgubo we-PVA, okanye i-polyvinyl alcohol, yi-polymer eyenziweyo enyibilikayo emanzini. Uza kuyifumana kwiimveliso ezininzi zokwakha. Le powder emhlophe inyibilika emanzini ukuze yenze isisombululo esicacileyo nesinokuguquguquka. Abavelisi bayivelisa kwiindidi ezahlukeneyo. Uhlobo ngalunye lubonelela ngeempawu ezahlukeneyo zokusetyenziswa okuthile. Ungakhetha uhlobo olunyibilikayo kubushushu begumbi okanye olufuna amanzi ashushu angaphezu kwama-95°C. Olu kuguquguquka lwenza umgubo we-PVA ube luncedo kumashishini amaninzi.
Iipropati eziphambili zePowder yePVA
Umgubo we-PVA uneempawu ezininzi eziphawulekayo. Wenza iifilimu eziqinileyo nezicacileyo ezinamandla aphezulu oomatshini. Ezi filimu ziyamelana nezinyibilikisi, iioyile, kunye nokukrala. I-polymer ikwasebenza njenge-emulsifier kunye ne-stabilizer egqwesileyo. Uya kuyiqonda nokuzinza kwayo kobushushu. I-PVA ihlala izinzile ngaphantsi kwama-40°C kwaye ithambisa kuphela xa amaqondo obushushu ephezulu. Iyabola ngaphezulu kwama-220°C, nto leyo eyenza ikhuseleke kwiintlobo ezininzi zezicelo zokwakha.
Ubunzima bezisombululo ze-PVA butshintsha ngendlela eqikelelweyo. Ungalawula le mpawu ngoxinzelelo kunye nobushushu. Itheyibhile engezantsi ibonisa indlela ezi zinto zitshintsha ngayo isisombululo:
| Iyaguquguquka | Impembelelo Ebonweyo kwi-Viscosity | Iimeko ezithile kunye neziphumo |
| Uxinzelelo (4%, 6%, 8%, 10%) | Ukwanda | Uxinzelelo oluphezulu lwe-PVA lufuna uxinzelelo olukhulu lokucheba kwaye lubangela ukuba i-viscosity ibonakale iphezulu. |
| Ubushushu (20°C, 25°C, 30°C, 35°C) | Ukuncipha | Ubushushu obuphezulu buyanciphisa amaxabiso oxinzelelo lokucheba ngesantya sokucheba esingaguqukiyo. |
| Ukugxila (ukuziphatha kwe-rheological) | Uhlobo lokuhamba kotshintsho | Izisombululo kwi-4%, 6%, kunye ne-8% zibonisa indlela yokuziphatha yokucheba; kwi-10%, isisombululo sijonge kwindlela efanelekileyo yokwenza iplastiki. |
Indlela Yokusebenza Kwi-Mortar Ne-Adhesive Mixes
Xa ufaka umgubo we-PVA kumxube we-mortar, uyanyibilika ngexesha lokuxuba. Iitsheyini ze-polymer zisasazeka kulo lonke ixesha lamanzi. Njengoko umxube uphela, amanzi ayaphela. Iitsheyini ze-PVA emva koko zenza ifilimu eqhubekayo. Le filimu idala iwebhu encinci ejikeleza amasuntswana esamente kunye nee-aggregates. Iwebhu isebenza njengebhulorho. Idibanisa izinto ezingaphiliyo kunye nomphezulu we-substrate.
Le network yepolymer iphucula kakhulu ukunamathela. Izalisa iimbobo ezincinci kunye nokungalungelelani kwi-substrate. Ifilimu ikwaphucula ukuguquguquka kwi-mortar eqinileyo. Ufumana ukugcinwa kwamanzi okungcono ngexesha lokunyanga. Le propati ithintela ukoma ngaphambi kwexesha kwaye inciphisa uxinzelelo lokuncitshiswa. Isiphumo sisibopho esomeleleyo nesihlala ixesha elide. Ukuze ufumane umgangatho ohambelanayo, kufuneka ufumane kwi-China Supplier PVA powder polyvinyl alcohol ethembekileyo ye-Adhesive / Mortar. Imveliso yabo iqinisekisa ukusebenza okuqikelelweyo kwibhetshi nganye.
Ukusombulula iingxaki zokuncamathelisa kunye ne-mortar eziqhelekileyo nge-PVA Powder
Ukulungisa Amandla eBond aphantsi kunye nokuqhekeka
Ukuqina kwebhondi okungekho mgangathweni kubangela ukuba iithayile ziphume kwaye imifanekiso ihlukane nodonga. Uhlala ubona le ngxaki xa usebenza nge-substrates ezixineneyo okanye ezigudileyo. I-adhesive ayikwazi ukubamba umphezulu kakuhle.Umgubo we-PVAIsombulula le ngxaki ngokuthe ngqo. Yenza inethiwekhi yepolymer ngaphakathi komxube. Le nethiwekhi ivala umsantsa phakathi kweglu kunye nesiseko. Izalisa iimbobo ezincinci kwaye idale i-interlock eqinileyo yoomatshini.
Ungalinganisa ukuphucuka kwamandla ebhondi ngovavanyo olulula. Uvavanyo oluthe ngqo lokuthelekisa phakathi kwe-reference tile adhesive kunye ne-modified version lubonisa iziphumo ezicacileyo. I-reference adhesive ine-0.3% HPMC. I-modified version ine-0.15% HPMC kunye ne-0.5% PVA 17-88. Amandla okunamathela okuqinileyo emva kweentsuku ezingama-28 ayanda ukusuka kwi-1.2 MPa ukuya kwi-1.5 MPa. Oko kukuphucuka kwe-25%. La mandla ongezelelweyo athintela ukuqhekeka kwaye agcina iithayile zakho zikhuselekile iminyaka. Ukuze ufumane ezi ziphumo rhoqo, udinga umthombo othembekileyo. Khetha uMboneleli waseTshayina othembekileyo we-PVA powder polyvinyl alcohol ye-Adhesive / Mortar. Oku kuqinisekisa ukuba zonke iibhetshi zakho zisebenza ngendlela efanayo.
Ukuthintela ukuthungulwa kothuli kunye nokutshixa umphezulu
Ukufutha uthuli kumphezulu kwenza i-mortar egqityiweyo ibonakale ibuthathaka kwaye ingasebenzi kakuhle. Uhambisa isandla sakho phezu komphezulu uze ufumane umgubo okhululekileyo. Le ngxaki yenzeka xa i-matrix yesamente ingenawo amandla aneleyo okubopha. Amasuntswana amancinci kumphezulu awanamatheli. Umgubo we-PVA uthintela le ngxaki. Yenza ifilimu eqinileyo njengoko i-mortar iphola. Le filimu ijikeleza amasuntswana omphezulu ize iwavale endaweni yawo. Ifilimu ikwaphucula uxinano lomphezulu. Ufumana ukugqitywa okugudileyo, okuqinileyo okumelana nokukrazuka. Ifilimu ye-polymer ihlala injalo nasemva kokuba i-mortar yomile ngokupheleleyo. Umphezulu wakho wokugqibela awuyi kuphuma uthuli okanye itshokhwe ngokuhamba kwexesha.
Ukunciphisa iiNqamza zeShrinkage kunye nokuphucula ukuguquguquka
Ukuqhekeka kuvela xa i-mortar ilahlekelwa ngamanzi ngokukhawuleza. I-samente paste iyancipha, kwaye uxinzelelo lubangela ukuba kubekho ukuqhekeka. Le ngxaki iyenza buthathaka isakhiwo kwaye ivumele amanzi ukuba angene. Umgubo we-PVA unceda uphephe esi siphumo. Iphucula ukugcinwa kwamanzi ngexesha lenkqubo yokunyanga. I-mortar ihlala imanzi ixesha elide, nto leyo enciphisa umngcipheko wokoma ngokukhawuleza. Ifilimu ye-polymer ikwakongeza ukuguquguquka kwi-matrix eqinileyo. I-mortar eguquguqukayo inokuhamba kunye ne-substrate. Ingamelana notshintsho oluncinci kunye notshintsho lobushushu ngaphandle kokuqhekeka. Ufumana izinto ezixolelayo ezisebenza kakuhle kwiimeko ezinzima.
Ukwandisa Ukumelana Namanzi Nokuqina
Amanzi ayonakalisa i-mortar eqhelekileyo ngokuhamba kwexesha. Imijikelo yokuqandisa nokunyibilikisa ibangela umonakalo omkhulu. Amanzi angena kwi-mortar, aqine, ande, aze aqhekeze isakhiwo. Kufuneka ukhusele umsebenzi wakho kolu hlobo lohlaselo. Umgubo we-PVA wenza i-mortar yakho ingangeni manzi. Ifilimu ye-polymer isebenza njengomqobo. Inciphisa ubungakanani bamanzi anokungena kwi-mortar. Olu khuselo lugcina i-mortar yomelele kwimijikelo emininzi yokuqandisa nokunyibilikisa.
Itheyibhile engezantsi ibonisa umahluko ocacileyo ekusebenzeni kokuqandisa nokunyibilikisa:
| Izinto eziphathekayo | Ukuqandisa imijikelo yokunyibilikisa ide ingasebenzi (ngokwe-DIN EN 480-12) |
| I-mortar eguqulwe yi-RDP | imijikelo eyi-≥300 ngaphandle komonakalo |
| Udaka oluqhelekileyo | Imijikelo engama-50–100 (ukubola) |
I-mortar eguqulwe ngee-polymer ezongeziweyo ezifana ne-PVA imelana nemijikelo engama-300 ngaphandle komonakalo. I-mortar eqhelekileyo iyasilela emva kwemijikelo engama-50 ukuya kwe-100 kuphela. Ungabona ukuphucuka okukhulu kokuqina. Oku kuthetha ukuba umsebenzi wakho uhlala ixesha elide kwiindawo ezibandayo. Ukwanciphisa umngcipheko wokulungiswa okubiza kakhulu kamva. Ukuze ufumane iziphumo ezilungileyo, fumana izinto zakho kwi-China Supplier PVA powder polyvinyl alcohol ethembekileyo ye-Adhesive / Mortar. Umgangatho we-PVA powder uchaphazela ngokuthe ngqo ukuqina komxube wakho.
Iingcebiso Ezisebenzayo Zokusebenzisa Umgubo wePVA
Ukufumana iMix Ratio eyiyo
Umlinganiselo ochanekileyo weUmgubo we-PVAUmxube owomileyo umisela iziphumo zakho zokugqibela. Kufuneka ulungise ubungakanani ngokusekelwe kwisicelo sakho esithile. Kwizinto zokuncamathelisa iithayile, yongeza i-0.3% ukuya kwi-0.5% yomgubo we-PVA ngokobunzima bomxube owomileyo uwonke. Olu luhlu lukunika ibhalansi engcono yokuncamathelisa kunye nokuguquguquka. Kwizinto zokufaka kunye neeplasta, sebenzisa i-0.2% ukuya kwi-0.4%. Kwizinto zokulungisa ii-grout kunye nee-mortars, yongeza ubungakanani ukuya kwi-0.5% ukuya kwi-1.0%. Umlinganiselo ophezulu uphucula ukumelana namanzi kunye nokuguquguquka. I-PVA eninzi kakhulu inokucothisa ixesha lokuseta. Soloko uvavanya iqela elincinci kuqala. Linganisa umgubo we-PVA ngesikali esichanekileyo. Musa ukuqikelela ubungakanani. Umlinganiselo ohambelanayo uthetha iziphumo ezihambelanayo kwiprojekthi nganye.
Isikhokelo sokuxuba kunye neSicelo seNyathelo ngeNyathelo
Landela la manyathelo ukulungiselela i-mortral okanye i-glue eguqulweyo ye-PVA esemgangathweni ophezulu:
1. Qala ngomxube wakho owomileyo. Hlanganisa isamente, isanti, kunye nee-aggregates kwisitya esicocekileyo.
2. Yongeza umgubo we-PVA kwiindawo ezomileyo. Xuba kakuhle ukuze usasaze umgubo ngokulinganayo kulo lonke umxube.
3. Linganisa amanzi afunekayo. Ubungakanani buxhomekeke kwindlela oyisebenzisa ngayo kunye nomgangatho we-PVA owukhethileyo.
4. Yongeza amanzi kancinci kancinci kumxube owomileyo. Xuba rhoqo ngomxube womatshini okanye ngesandla.
5. Xuba imizuzu emi-3 ukuya kwemi-5 ude ufumane intlama egudileyo nefanayo. Yiyeke ihlale imizuzu emi-2.
6. Xuba kwakhona umzuzu omnye. Umxube wakho ngoku ulungele ukusetyenziswa.
7. Faka umxube ngexesha lawo lokusebenza. Iingxube eziguqulwe yi-PVA zinobomi obufanayo kwiingxube eziqhelekileyo.
8. Coca izixhobo zakho ngamanzi ngoko nangoko emva kokusebenzisa. Ifilimu yePVA eyomileyo kunzima ukuyisusa.
Amanyathelo okhuseleko aphambili kunye neempazamo eziqhelekileyo ekufuneka uziphephe
Iimpazamo ezininzi zingonakalisa umxube wakho oguqulwe yi-PVA. Ziphephe ezi mpazamo ziqhelekileyo ukuze ufumane iziphumo ezilungileyo:
· Ungaze ufake umgubo we-PVA emanzini kuqala. Oku kubangela ukuxinana. Xuba umgubo nezithako ezomileyo kuqala.
· Musa ukusebenzisa amanzi amaninzi. Amanzi agqithisileyo ayayinyibilikisa ifilimu yepolymer. Oku kunciphisa amandla okugqibela kunye nokumelana namanzi kwemotha yakho.
· Kuphephe ukuxubana kwiimeko ezishushu kakhulu okanye ezibandayo kakhulu. Amaqondo obushushu agqithisileyo achaphazela ukunyibilika kunye nokwenziwa kwefilimu ye-PVA polymer.
· Musa ukuxuba i-PVA nee-oxidizers ezinamandla okanye iikhemikhali ezirhabaxa. Ezi zinto zingonakalisa i-polymer kwaye zonakalise ukusebenza kwayo.
· Gcina umgubo we-PVA ngokuchanekileyo. Ukufuma okuphezulu kubangela ukuba umgubo ufunxe ukufuma. Oku kukhokelela ekubeni kubekho amaqhuma aqinileyo, ukunyibilika okuncinci, kunye namandla okuncamathela aphantsi. Ufanele ugcine umgubo we-PVA kwindawo epholileyo, neyomileyo phakathi kwe-5°C kunye ne-30°C. Gcina umqulu uvaliwe ngamaxesha onke. Sebenzisa ii-desiccants ukuze ukhuseleke ngakumbi. Ukuba ubona amaqhuma aqinileyo, ukuba tyheli, okanye ivumba elingaqhelekanga, i-PVA yonakele. Musa ukuyisebenzisa.
Indlela yobugcisa ichaza isizathu sokuba indawo yokugcina ibalulekile. Ukufuma okuphezulu kubangela ukuba i-PVA ifunxe ukufuma, nto leyo ekhokelela ekudumbeni nasekulahlekelweni ziimpawu zoomatshini. Ukufuma okuphantsi komisa izinto, kunciphisa ukuguquguquka nokuthembeka. Amaqondo obushushu aphezulu akhawulezisa ukubola kwe-polymer. Amaqondo obushushu aphantsi abangela ukuphuka. Indawo elawulwayo nezinzileyo igcina ixesha lokugcinwa komgubo wakho we-PVA kunye nokusebenza kwawo.
Ukufumana umgubo wePVA oMgangatho oPhezulu kuMboneleli waseTshayina wePVA umgubo wepolyvinyl alcohol ukuze uncamathisele/ugqume
Umgangatho womgubo wakho we-PVA ugqiba ukusebenza kokugqibela komotha wakho. Ufuna umthengisi othembekileyo. Umthengisi othembekileyo waseTshayina we-PVA powder polyvinyl alcohol ye-Adhesive / Mortar unikezela ngomgangatho ohambelanayo kunye nobonelelo oluzinzileyo kwiiprojekthi zakho.
Khangela ababoneleli abaneziqinisekiso zomgangatho ophezulu. Ezi ziqinisekiso zibonisa ukuba umenzi ulandela imigangatho engqongqo yomgangatho nokhuseleko:
| Isiqinisekiso | Ukukhupha igunya | Ukunyaniseka | Ingqwalasela ephambili |
| I-ISO 9001 | Umbutho Wezizwe Ngezizwe Wokumisela Imigangatho | Iminyaka emi-3 | Inkqubo yoLawulo loMgangatho |
| I-HACCP | Ulawulo lokuTya kunye neMithi | Iqhubekeka | Ulawulo loKhuseleko lokutya |
| FUMANA | I-Arhente yeeKhemikhali yaseYurophu | Iqhubekeka | Ubhaliso lweZinto zeKhemikhali |
| I-FSSC 22000 | Isiqinisekiso soKhuseleko lokutya seSiseko | Iminyaka emi-3 | Inkqubo yoLawulo loKhuseleko lokutya |
| I-GMP+ | GMP+ Yamazwe Ngamazwe | Unyaka o-1 | Iindlela Ezilungileyo Zokuvelisa |
Amashishini kufuneka athobele imiqathango ye-REACH xa ethumela i-PVA kwi-EU. Le mithetho iqinisekisa ukuba le nto ikhuselekile kwimpilo yabantu nakwindalo esingqongileyo. Imvume ye-FDA iyimfuneko kwimarike yase-US. Iqinisekisa ukuba imveliso iyahlangabezana nemigangatho yokhuseleko kunye nokusebenza kakuhle.
Umthengisi olungileyo waseTshayina we-PVA powder polyvinyl alcohol ye-Adhesive / Mortar ulandela iindlela ezifanelekileyo zokugcina nokuphatha. Bagcina umgubo kwindawo elawulwayo. Basebenzisa ukupakisha okuvaliweyo kunye neebhegi zephepha ze-kraft ezinamalayelo amaninzi kunye nee-PE liners. Basebenzisa ulawulo lwezinto ze-FIFO ukuqinisekisa ukuba zintsha. Xa ufumana ukuthunyelwa kwakho, jonga ukupakisha ukuba akukho monakalo. Gcina iibhegi kwindawo yokugcina impahla epholileyo neyomileyo. Zigcine kude nelanga elithe ngqo, imithombo yobushushu, kunye neekhemikhali ezingcolisayo. Olu khathalelo lugcina ixesha lokugcinwa kunye nokusebenza komgubo we-PVA.
Umgubo we-PVA uguqula umxube obuthathaka nobuthathaka ube zizinto zokuncamathelisa eziqinileyo nezihlala ixesha elide. Ufumana ukubopha okuphuculweyo, ukuqhekeka okunciphileyo, kunye nokumelana kwamanzi okuphuculweyo. Ukonga iindleko kufike kwi-20% kwizinto zokuncamathelisa kunye ne-22% kwizinto zokuncamathelisa, kunye nokuzuza kokusebenza kwe-15% kunye ne-18%. Sebenzisa la macebiso namhlanje. Khetha umthengisi waseTshayina othembekileyo we-PVA powder polyvinyl alcohol kwi-Adhesive / Mortar.
FAQ
Ingakanani i-PVA powder endifanele ndiyifake kumxube wam we-mortar?
Yongeza i-0.3% ukuya kwi-0.5%Umgubo we-PVAngokobunzima bomxube owomileyo opheleleyo wezinto zokuncamathelisa iithayile. Lungisa ubungakanani ngokusekelwe kwisicelo sakho esithile.
Ndingayixuba ngqo i-PVA powder namanzi?
Hayi. Soloko uxuba umgubo we-PVA nezithako zakho ezomileyo kuqala. Ukuyifaka emanzini kubangela ukuxinana kwaye kunciphisa amandla okugqibela okubopha.
I-mortar eguqulweyo ye-PVA ihlala isebenza ixesha elingakanani?
Ufanele usebenzise umxube kwimizuzu engama-30 ukuya kwengama-60 emva kokulungiselela. Eli xesha lihambelana nobomi bembiza yodaka oluqhelekileyo.
Ixesha leposi: Sep-21-2026