Shuode - okuholela inkambiso ye-polyurethane foam kanye nomenzi wokunamathela wokwakha.
Isiqalo sokuthola ulwazi isivalo se-silicone Imikhiqizo iqhathanisa amanani. Lokhu akuyona into ehlakaniphile. Izici ezinquma ukuthi i-oda lizodlula yini zihlanganisa ukuhambisana nokulungiswa kwe-substrates, ukufaneleka kwezitifiketi eziboniswe encazelweni yomkhiqizo kanye nokuqinisekisa imigomo yokwenza ngokwezifiso ngaphambi kokufaka idiphozithi. Ukwehluleka ukwenza lokhu kungabangela ukuthi izimpahla zibuyiselwe, isikhalazo esivela kumakhasimende noma kungabikho ama-oda aphindaphindwayo.
Uhlu olungezansi lubonisa imininingwane abathengi be-B2B okudingeka bayiqinisekise, cishe ngokulandelana kokubonakala kwabo ngenkathi bethenga.
• Yazi iKhemistri Ngaphambi Kokuqhathanisa Amanani
• Qondanisa i-Sealant nalokho Okuvalelayo Ngempela
• Qinisekisa Izitifiketi, Ungazithathi Nje Ngokubukeka Kwazo
• Hlola Isikhathi Sokwelashwa Nemibandela Yokufaka Isicelo
• Buza ukuthi yiziphi izinketho zokwenza ngokwezifiso ezisetafuleni
• Isiphetho
• Imibuzo Evame Ukubuzwa
Ngokuvamile, umthengi uqhathanisa amanani. Kodwa-ke, i-silicone sealant ingahlukaniswa ibe izinhlobo ezimbili zemithi yokwelapha, futhi ukukhetha uhlobo olungalungile lwe-sealant kungabiza kakhulu kunokukhetha intengo engalungile.
I-Acetoxy, noma i-acid cure sealant ikhipha i-acetic acid ngesikhathi senqubo yokwelapha futhi inganikeza ukwelashwa kobuso emahoreni angama-24. Lo mkhiqizo unamathela kahle kakhulu engilazini, e-ceramic, nakwezinye izindawo ezingenazo izimbobo; ngaphandle kwalokho, ushibhile kune-neutral cure sealants. Ngeshwa, i-acetic acid ingalimaza izinhlobo ezithile zensimbi kanye netshe lemvelo; yingakho ukukhetha uhlobo kubalulekile.
Ukwelapha Okungathathi hlangothi Kunikeza Ukuhambisana Ngezindleko Zesikhathi Nentengo
Ngakolunye uhlangothi, ama-sealant angathathi hlangothi awakhiphi i-asidi ngesikhathi senqubo yokulungisa, yingakho ebhekwa njengenketho ephephile uma kuziwa ekusebenzeni nge-aluminium, insimbi engagqwali, imabula, i-granite, nezinto eziseduze nanoma yimiphi imishini kagesi ebucayi. Kodwa-ke, kuthatha amahora angu-48 noma ngaphezulu ukwelapha ngokuphelele impahla, futhi intengo yayo iphakeme. I-sealant ye-silicone engathathi hlangothi elinganiselayo imelana namazinga okushisa asukela ku--50°C kuya ku-150°C.
Ithebula 1: I-Acetoxy vs. I-Neutral Cure Silicone Sealant
Iphuzu Lokuqhathanisa | I-Acetoxy (Ukwelapha i-Acid) | Ukwelapha Okungathathi hlangothi |
Isikhathi esijwayelekile sokuphulukiswa | ~amahora angama-24 (ubuso) | Kufika emahoreni angu-48 noma ngaphezulu |
Ingozi yokugqwala ensimbini | Okuphakeme | Phansi |
Ifanele itshe lemvelo | Akunconywa | Kunconyiwe |
Iphunga ngesikhathi sokwelashwa | Iqinile, ifana neviniga | Okuncane |
Izindleko ezilinganiselwe | Okuphansi | Okuphakeme |
I-Chemistry iyisigamu sesinqumo kuphela. Isisekelo kanye nendawo ezungezile kunquma ukuthi yiluphi uhlobo lokwelapha olufanele ngempela emsebenzini.
Ama-substrate asekelwe etsheni yilapho i-acetoxy sealant ibangela khona izinkinga ezibonakala kakhulu, ngoba umkhiqizo ophuma ku-acetic acid ungasusa noma ushintshe umbala ebusweni. isivalo se-silicone esingathathi hlangothi yincomo ejwayelekile lapha.
Umqondo ofanayo usebenza kumafasitela e-aluminium kanye nohlaka lweminyango kanye nezindonga zamakhethini engilazi, ikakhulukazi ezimweni zezulu ezinokushintshashintsha okukhulu kwezinga lokushisa - ukwelashwa okungena-asidi kugwema ukugqwala kwesikhathi eside ejoyintini.
Ama-logo e-ISO, CE, kanye ne-REACH avamile emakhasini abaphakeli, kodwa bambalwa abathengi ababuza ukuthi yiliphi elimboza ngaphambi kokuliphatha njengobufakazi bokuphepha komkhiqizo.
I-ISO 9001 iqinisekisa uhlelo lokuphatha ikhwalithi; i-ISO 14001 iqinisekisa uhlelo lokuphatha imvelo. Akukho neyodwa esho ngqo ngokuphepha kwamakhemikhali komkhiqizo oqediwe - kokubili kuchaza ukuthi umhlinzeki uqhuba kanjani izinqubo zawo ngokungaguquguquki nangokuzibophezela.
I-REACH ibeka umthwalo wemfanelo ezinkampanini ukuhlonza nokuphatha izingozi ezihlobene nezinto ezizikhiqizayo noma ezingenisa e-EU, nokubhalisa lolo lwazi ne-European Chemicals Agency. Umthethonqubo we-REACH Izinto ezibaluleke kakhulu zibhekene nokuhlolisiswa okwengeziwe, futhi kwezinye izimo, ukunqunyelwa. Umhlinzeki othi umkhiqizo wakhe uhambisana ne-REACH kufanelekile ukubuza umbuzo olandelayo - yiziphi izinto ezibhalisiwe noma ezinqunyelwe, kunokuphatha isifinyezo njengesitembu sokuphepha esimboziwe.
Isinyathelo esiwusizo kakhulu ukucela umbiko wamanje wokuhlolwa kwe-MSDS/SDS kanye ne-VOC ngqo, kunokuthembela ezithonjeni zesitifiketi ekhasini lomkhiqizo.
Kusukela engxoxweni echazwe ngenhla, kusobala ukuthi i-acetoxy sealant ivame ukuthatha cishe amahora angama-24 ukuqeda ukungcola ebusweni, kanti i-neutral sealant ingathatha amahora angama-48 noma ngaphezulu ukuqeda. Lo mehluko ungase ubaluleke kakhulu ukuwucabangela ngesikhathi senqubo yokufaka lapho isikhathi sibalulekile khona.
Iningi lama-silicone sealant linezinga lawo lokushisa elinconywayo kanye nomswakama okufanele lisetshenziswe kuwo, futhi ukwehluleka ukwenza kanjalo kungenye yezizathu eziyinhloko zokunganamatheli. Ngakho-ke kubalulekile ukwazi ibanga lokusebenza lezinto ngaphambi kokufakwa kwazo.
Uma umhlinzeki ethi i-sealant yakhe ihlangabezana nezindinganiso zokusebenza embonini yokwakha,ASTM C920 kuyiphuzu eliwusizo lokubhekisela. Ihlanganisa izakhiwo ze-elastomeric joint sealants ezilungisiwe ezihlanganisiwe noma eziningi, ezisetshenziswa ngokubandayo ezisetshenziselwa ukuvala, ukuvala i-caulking, noma ukugqwala ezakhiweni, emaplaza, nasemadekini, futhi ihlukanisa i-sealants ngohlobo, ibanga, isigaba, kanye nokusetshenziswa. Ukubuza ukuthi umkhiqizo ulinganiswe ngaphansi kwaluphi uhlobo kuyindlela eqondile yokuhlola isimangalo sokusebenza kunokuthi sikuthathe ngokholo.
I-OEM ngokuvamile isho ukuthi umhlinzeki wakha umkhiqizo ngokuzungeza ilogo yakho, iphethini, kanye nemininingwane yokupakishwa. I-ODM ngokuvamile isho ukuthi usebenza kusukela kusisekelo somklamo kanye nokwakheka komhlinzeki esikhona. Ukwazi ukuthi iyiphi oyidingayo ngaphambi kokushaya ucingo lokuqala kusindisa izikhathi ezimbalwa zokubuyela emuva nokubuyela emuva.
Buza ngenqubomgomo yesampula, inani elincane le-oda, kanye nesikhathi esingokoqobo phakathi kokusayinwa komklamo kanye nokulethwa komkhiqizo. Lezo zinombolo ezintathu zibaluleke kakhulu emphumeleni kunentengo yeyunithi yokuqala. Umhlinzeki Inqubo ye-OEM ne-ODM Ikhasi livame ukuba yindlela esheshayo yokubona ukuthi ukuhlelwa komsebenzi kuhlelekile kangakanani — noma akucacile kangakanani — empeleni.
Thola i-chemistry yokwelapha efanele i-substrate, qinisekisa ukuthi izitifiketi zimboza ini ngempela, bese uvumelana ngemibandela yokwenza ngokwezifiso kusengaphambili - lezo zinyathelo ezintathu zivimbela izinkinga eziningi zokuthola ulwazi ezizovela kamuva. Uma kungekho thimba lobuchwepheshe langaphakathi ukuhlola le mininingwane, isinyathelo esilandelayo esifanele ukucela isampula kanye nombiko wokuhlola wamanje bese uwuhlola ngqo kunokuthembela ephepheni lemininingwane kuphela. Uma une-substrate ethile noma uhlelo lokusebenza engqondweni, kufanelekile ukuyichazela umhlinzeki ngqo bese ubuza ukuthi yiluphi uhlobo lwe-sealant abangaluncoma ngempela.
Ukwelapha nge-acetic (acetoxy) kuyashesha futhi kushibhile, kodwa kungalimaza ezinye izinsimbi kanye namatshe anombala; ukwelapha okungathathi hlangothi kuthatha isikhathi eside futhi kubiza kakhulu kodwa kuyahambisana nezindawo ezibucayi.
I-neutral uhlobo oluvame ukunconywa kakhulu lokwelapha itshe, njengoba umkhiqizo walo ongaphansi une-asidi encane futhi ungaguqula umbala wobuso.
Kungcono ukucela i-MSDS/SDS yangempela kanye nombiko wokuhlola ngqo, njengoba kufanele ufanise izinombolo zesitifiketi hhayi nje izithonjana ezivela ekhasini lewebhu.
Ama-MOQ ayahlukahluka kuye ngomhlinzeki; kufanele ubuze umhlinzeki ngqo ngama-MOQ kanye nethuba lokusebenzisa isampula ngaphambi koku-oda.
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