Yiziphi ukufana nomehluko phakathi kwegwebu le-silicone ne-PU Foam?

Sep 18, 2025 Shiya umlayezo

Ukufana:

Isakhiwo esinezimbotshana: Kokubili kuzuzisa isici "esinegwebu" ngokukhiqiza inani elikhulu lamabhamuza ngaphakathi kwento esebenzisa izindlela ezibonakalayo noma zamakhemikhali, akha ikhekheba lezinyosi-elifana noma elixhumene.

I-Lightweight: Ngenxa yokugcwala umoya, zombili zinesisindo esiphansi kakhulu futhi zinesisindo esincane kakhulu. Ukumuncwa kwebhafa kanye nokumuncwa kwamandla: Isakhiwo seseli siyinikeza ukunwebeka okuhle kakhulu, ukumunca ukushaqeka nokusebenza kwebhafa, futhi kuvame ukusetshenziswa ezimeni lapho amandla omthelela edinga ukumuncwa khona.

I-Thermal Insulation kanye ne-soundproofing: Amaseli omoya angaphakathi angavimba ngempumelelo ukuqhutshwa kokushisa kanye nokudluliswa kwamagagasi omsindo, ngaleyo ndlela abe ne-thermal insulation kanye nemiphumela yokuvimbela umsindo.

Ukuqhubekela phambili: Kokubili kungakhiqiza imikhiqizo yokuminyana okuhlukene, ubulukhuni kanye namazinga eseli-avaliwe/avaliwe{1}}avuliwe ngokulungisa ifomula nenqubo (njengesilinganiso sokugwedla, i-catalyst, njll.) ukuze kuhlangatshezwane nezidingo ezihlukahlukene.

  

good quality silicone sponge pad

Umehluko:

  i-chemical nature:Igwebu le-silicone lisekelwe ku-organosilicon (Si-O main chain) futhi yamukela i-inorganic-organic hybrid structure;I-PU isekelwe ku-polyurethane (C-N-C-O main chain) futhi ingeye-organic polymers

 

ukumelana nokushisa: Igwebu le-Silicone linokumelana nokushisa okuhle kakhulu. Ingasetshenziswa isikhathi eside kokuthi -60℃kuya ku-250℃, futhi ingamelana namazinga okushisa angaphezu kuka-300℃ngisho namalangabi avuleke ngokuphazima kweso. Inokubambezeleka kwelangabi okuhle kakhulu futhi izicisha ngokwayo lapho isuswa emthonjeni womlilo.;Igwebu le-PU alikwazi ukumelana nokushisa. Ibanga lokumelana nezinga lokushisa lemikhiqizo evamile lisuka ku--20℃kuya ku-100 degree. Izothamba, ibole futhi ishise ngisho namazinga okushisa aphezulu, futhi ikhiphe amagesi anobuthi. Izinqamuleli zamalangabi zidinga ukwengezwa ukuze kuzuzwe ibanga elithile lokuvimbela ilangabi.

 

Ukuvikelwa Kwemvelo Nobuthi: Igwebu le-silicone alihambisani nemvelo futhi alinalo-ubuthi. Izinto ezisetshenziswayo kanye nemikhiqizo yokubola ngokuyinhloko i-silicon dioxide (ingxenye eyinhloko yesihlabathi), engenaphunga futhi engeyona{2}}ubuthi, futhi ehlangabezana nezimfuneko zebanga lokudla kanye nebanga lezokwelapha njenge-FDA;Igwebu le-PU lingase libe nobuthi. Impahla eluhlaza (isocyanate) iyacasula. Umkhiqizo oqediwe ungase uqukathe ama-monomers angaphenduliwe kanye nezinsalela ze-amine catalyst, ezinephunga kanye nezingozi zezempilo ezingaba khona. Izophenduka ibe phuzi futhi ibe yimpushana ngokuhamba kwesikhathi.