Lihlahisoa tse emetseng tsa foam, likhoebo le lisebelisoa tse ncha tsa polyurethane, phenolic resin, PET, PVC, SAN, PES le lisebelisoa tse ling tsa foam.
Motheo oa foam oa sebopeho ke lisebelisoa tse kopaneng, hangata polymer ea thermoset (empa e ka ba thermoplastic) e kopantsoeng le khase ea 'mele e sa sebetseng (joalo ka naetrojene) kapa sesebelisoa sa ho foka lik'hemik'hale nakong ea ho bopa.Sephetho ha se thepa e tiileng, empa ke foam e fokolang ea microcellular e kopantsoeng le khetla e phahameng haholo.
Mokotla oa foam o fokotsa boima ba 'mele ka kakaretso, ha letlalo le tiileng le etsa hore le be matla le ho se hlolehe ho ba le tšusumetso.Sebopeho sa thepa se tšoana le sandwich, se nang le mokokotlo o tlaase o pota-potiloeng ka ho feletseng ke letlalo le phahameng.Ka lebaka la sebopeho sa eona sa mantlha sa mantlha, li-cores tsa foam tse thata hangata li bobebe ho feta 20% ho isa ho 40% ho feta lipolima tse tiileng, aluminium, tšepe, motsoako oa ho bopa lakane kapa lisebelisoa tse ling tse sebelisoang hangata.Ka lebaka la tlhaho ea eona e fokolang, lisebelisoa tsa motheo tse sebelisetsoang ho etsa foam ea sebopeho hangata ke li-polymers tsa thermoplastic ho fapana le li-thermosets.Thermoplastics e sebelisoang ka tloaelo e kenyelletsa, empa ha e felle feela ho: polyurethane, polycarbonate, polyphenylene ether (Noryl), polybutylene terephthalate (Valox) le acrylonitrile butadiene styrene le lisebelisoa tse ling tsa foam core: polyurethane, phenolic Resin, PET, PVC, SAN, PES foam lihlahisoa, likhoebo le lisebelisoa tse ncha.
Polyurethane foam core e entsoe ka CFC mahala foamed polyurethane, selefouno e koetsoeng e ka hlahisang li-facestocks, liboto le lihlahisoa tse tloaelehileng tsa density le botenya bo fapaneng, athe sekhahla se phahameng, matlapa a lelakabe a thata a polyurethane Lehong, li-blocks kapa li-molding li fumaneha hape.E boloka chelete, e sebetsa ka mefuta e mengata ebile e tšoarella.Le ha thepa ea sebopeho sa polyurethane foam cores e kanna ea se tšoanelehe bakeng sa lits'ebetso tse batloang haholo, e sebelisoa haholo ho eketsa botenya, ho theha sebopeho sa likarolo tse fapaneng, boleng ba insulating le ho phaphamala.
Polyurethane foam cores ke khetho ea mantlha e theko e tlase bakeng sa bahlahisi ba kopaneng.Foam e thata ea polyurethane e sebelisoa bakeng sa ho phaphamala, ho kenya letsoho kapa joalo ka lisebelisoa tsa mantlha joalo ka ho eketsa lirifi tsa metsing, li-hulls le lits'ebetso tse ling tsa maoatle a leoatle.
Nako ea poso: Sep-22-2022