Uyazi? Ebusika, isitywina solwakhiwo siya kuba njengesomntwana, senza umsindo omncinci, ngoko ke zeziphi iingxaki eziya kubangelwa siso?
1. I-Structural sealant iyaphola kancinci
Ingxaki yokuqala ebangelwa kukwehla ngequbuliso kobushushu obuphakathi kwi-structural silicone sealants kukuba ziziva zicotha ukuphola ngexesha lokusetyenziswa. Inkqubo yokuphola ye-structural silicone sealant yinkqubo yokusabela kwamakhemikhali, kwaye ubushushu kunye nokufuma kwendalo kunempembelelo ethile kwisantya sayo sokuphola. Kwi-structural silicone sealants enecandelo elinye, okukhona ubushushu kunye nokufuma kuphezulu, kokukhona isantya sokuphola siya kuba siphezulu. Emva kobusika, ubushushu buyehla kakhulu, kwaye kwangaxeshanye, xa kufuma kuphantsi, impendulo yokuphola ye-structural sealant iyachaphazeleka, ngoko ke ukuphola kwe-structural sealant kuyacotha. Phantsi kweemeko eziqhelekileyo, xa ubushushu buphantsi kune-15 ℃, imeko yokuphola kancinci kwe-structural sealant iyabonakala ngakumbi.
Isisombululo: Ukuba umsebenzisi ufuna ukwakha kwindawo enobushushu obuphantsi, kucetyiswa ukuba enze uvavanyo lweglue kwindawo encinci ngaphambi kokuba ayisebenzise, kwaye enze uvavanyo lokunamathela kwexolo ukuqinisekisa ukuba i-structural sealant inokunyangeka, i-adhesion ilungile, kwaye imbonakalo yayo ayinangxaki, aze asebenzise indawo enkulu. Nangona kunjalo, xa ubushushu obuphakathi bungaphantsi kwe-4°C, ukwakhiwa kwe-structural sealant akukhuthazwa. Ukuba umzi-mveliso uneemeko, oku kungaqwalaselwa ngokunyusa ubushushu kunye nokufuma kwendawo apho kusetyenziswa khona i-structural sealant.
2. Iingxaki zokubopha isitywina solwakhiwo
Ngenxa yokwehla kobushushu kunye nokufuma, okuhamba nokucotha kokuqina, kukwakho nengxaki yokubopha phakathi kwe-structural sealant kunye ne-substrate. Iimfuno eziqhelekileyo zokusetyenziswa kweemveliso ze-structural sealant zezi: indawo ecocekileyo enobushushu obuphakathi kwe-10°C ukuya kwi-40°C kunye nokufuma okuphakathi kwe-40% ukuya kwi-80%. Ukudlula kwiimfuno zobushushu ezisezantsi ezingentla, isantya sokubopha siyancitshiswa, kwaye ixesha lokubopha ngokupheleleyo kwi-substrate liyandiswa. Kwangaxeshanye, xa ubushushu buphantsi kakhulu, ukumanzi kwe-glue kunye nomphezulu we-substrate kuncipha, kwaye kunokubakho inkungu okanye iqabaka engacacanga kumphezulu we-substrate, echaphazela ukunamathelana phakathi kwe-structural sealant kunye ne-substrate.
Isisombululo: ubushushu buphantsi kunobushushu obuncinci bokwakha be-sealant yesakhiwo se-10℃, izinto ezisisiseko ze-sealant yesakhiwo se-bonding kwindawo yokwakha yobushushu obuphantsi ukuze zenze uvavanyo lwe-bonding, ziqinisekise i-bonding elungileyo, emva koko zakhiwe. Umzi-mveliso ufake i-sealant yesakhiwo, ngokuphucula ubushushu kunye nokufuma kwendawo yokusetyenziswa kwe-sealant yesakhiwo ukuze kukhawuleziswe ukuphiliswa kwe-sealant yesakhiwo, kodwa kufuneka kwandiswe ixesha lokuphiliswa ngokufanelekileyo.
Uthotho lweemveliso zeJUNBOND:
- 1.Isitywina se-silicone se-Acetoxy
- 2.Isitywina se-silicone esingathathi cala
- 3.Isitywina se-silicone esichasene nefungus
- 4. Isitywini sokumisa umlilo
- 5. Isitywini esingenazinzipho
- 6. Igwebu le-PU
- Isitywini se-7.MS
- 8. Isitywini se-acrylic
- 9.PU sealant
Ixesha lokuthumela: Februwari-25-2022