Kudzivirira furo respray imushonga wakanaka kwazvo wekudzivirira kupisa une zvinhu zviviri zvikuru: polyol resins uye imwe mhando yeisocyanate. Kana zvinhu izvi zvikabatanidzwa, zvinoita furo rinokura uye rinosimba kuita polyurethane. Mafuro espray epolyurethane anoshanda zvakasiyana-siyana uye anoshanda nekuti ane magasi asingafambi zvakanaka mumaburi awo, izvo zvinowedzera hunhu hwawo hwekudzivirira kupisa. Kune mhando mbiri huru dzekudzivirira furo respray: rakavhurika nerakavharika. Rudzi rumwe nerumwe rune zvarunobatsira zvakasiyana uye nzvimbo dzekushandisa.
Chii Chinogadzirwa NeSpray Foam Insulation?
Kana ma polyol nema isocyanates zvikasanganiswa, zvinoumba furo, zvichigadzira chimiro chakasimba che polymer. Kuwanda kwakaderera uye kupfava, uye kuchinjika kwefuro re open-cell spray kunoita kuti rive rakakodzera kushandiswa mukati memba rinoda kunyudzwa kweruzha. Kune rumwe rutivi, furo re closed-cell spray rinorema uye rakaoma. Maburi aro akavharwa zvachose, zvichibata gasi uye nokudaro zvichiwedzera R-value, izvo zvinoratidza kuputira kwakanaka kwekupisa. Mafuro e closed-cell anodzivirira hunyoro uye anoshanda kaviri sezvipingamupinyi zvemhepo neutsi, zvichiita kuti ave akakurumbira munzvimbo dzinoda kunyudzwa.
Kudzivirira Foam yeSpray kunoshandiswa kupi?
Kudzivirira furo respray kunoshandiswa zvakanyanya mudzimba, mabhizinesi nemaindasitiri. Furo reopen-cell rinozivikanwa nekudzivirira ruzha uye rinowanzo shandiswa pamadziro emukati, pasi nepadenga. Nekuda kwekuwanda kwaro uye kugara kwenguva refu, furo reclosed-cell rinowanzo shandiswa pamadziro ekunze, pasi pevhu, nzvimbo dzekukambaira, uye padenga.
Furo repurasitiki rakavharirwa rinonyanya kushanda pakudzivirira denga. Chigadzirwa ichi hachingoshandi sekudzivirira denga chete, asiwo chinopa mhepo nemhute, izvo zvakakosha kudzivirira kuungana kwehunyoro mudenga. Nekuvhara mhepo nemhute, furo repurasitiki rakavharirwa rinobatsira kudzora tembiricha yemukati, kuderedza mari yesimba uye kudzivirira zvinhu zvemukati kubva mukukuvadzwa nemvura.
Zvishandiso zvePolyurethane muSpray Foam
Zvinhu zvinokonzeresa polyurethane zvakaita seMXC-BDMA(N,N-dimethylbenzylmine) uyeMXC-TMAzvakakosha mukugadzirwa kwespray foam insulation. MXC-BDMA inowedzera kuyerera uye chimiro chemasero efuro, ichikurudzira kupararira kwakaenzana uye kunamira zvakanaka kune substrates. Iyi catalyst inoshandiswa zvakanyanya mu rigid polyurethane foam, ichivimbisa kuti furo rinopora nesimba rakawanda uye kugadzikana. MXC-TMA, tertiary amine catalyst, yakagadzirirwa mashandisirwo anoda polyisocyanurate reaction inodzorwa, senge rigid foam inoshandiswa mumachira uye insulation yemidziyo yakaita sefiriji. Inobatsira mukugadzirisa kumashure kwakapfava, ichivimbisa kugara kwenguva refu uye kushanda zvakanaka nekufamba kwenguva.
Kudzivirira furo respray kunoramba kuri mhinduro inofarirwa nekuda kwekuchinjika kwaro, kukosha kwaro kwakanyanya kwekudzivirira, uye hunhu hwaro hwekudzivirira. Nekushandisa zvinhu zvakakodzera, kushandiswa kwefuro repolyurethane kunosangana nezvinodiwa zvakasimba zvekushanda munzvimbo dzakasiyana siyana dzekuvaka.
Nguva yekutumira: Mbudzi-04-2024