Mgbasawanye polypropylene (EPP maka mkpụmkpụ) bụ ultra-light, cell mechiri emechi thermoplastic ụfụfụ dabere na polypropylene ụfụfụ.Ọ bụ oji, pink ma ọ bụ ọcha, na dayameta na-adịkarị n'etiti φ2 na 7mm.EPP beads nwere usoro abụọ, siri ike na gas.Ọtụtụ mgbe, usoro siri ike bụ naanị 2% ruo 10% nke oke ibu, nke ọzọ bụ gas.Opekempe njupụta kacha nta bụ 20-200 kg / m3.Kpọmkwem, ịdị arọ nke EPP dị mfe karịa nke ụfụfụ polyurethane n'okpuru otu mmetụta ahụ na-etinye ume.Ya mere, akụkụ ụfụfụ nke ejiri EPP beads na-adị arọ, nwere ezigbo nkwụsị ọkụ, ezigbo ihe nkwụsịtụ na ihe ndị dị mma na-arụ ọrụ, na 100% na-emebi emebi ma na-emegharị ya.Uru ndị a niile na-eme EPP otu n'ime ihe ndị a na-ejikarị eme ihe n'ọtụtụ mpaghara, n'akụkụ ọ bụla nke ndụ anyị:
N'ebe a na-adọba ụgbọala, EPP bụ ihe ngwọta kachasị mma iji nweta ihe ndị dị arọ, dị ka bumpers, automotive A-pillar trims, automotive side shock cores, automotive door shock cores, oche ụgbọ ala nchekwa dị elu, igbe ngwá ọrụ, ogwe osisi, ogwe aka, ihe polypropylene foamed. enwere ike iji ya mee ihe maka akụkụ ndị dị ka efere ala, visor sun na panel ngwá ọrụ.Data Statistical: Ka ọ dị ugbu a, nkezi ego plastik eji na ụgbọ ala bụ 100-130kg / ụgbọ ala, nke ngwa nke polypropylene foamed bụ 4-6kg / ụgbọ ala, nke nwere ike ibelata ibu ụgbọ ala ruo 10%.
N'ihe gbasara nkwakọ ngwaahịa, nkwakọ ngwaahịa na-ebugharị na EPP nwere njirimara nke nchekwa okpomọkụ, nkwụsị ọkụ, nkwụsị nke corrosion, mkpuchi mkpuchi, ogologo ndụ ndụ, wdg, enweghị ihe ndị na-agbanwe agbanwe, enweghị otu ihe ndị dị na ya. na-emerụ oyi akwa ozone ma ọ bụ ọla dị arọ Nkwakọ ngwaahịa, nwere ike ịgbari mgbe kpochara, 100% enyi na gburugburu ebe obibi.Ma ọ bụ ngwa elektrọnik ziri ezi, ma ọ bụ ibugharị mkpụrụ osisi, anụ oyi kpọnwụrụ akpọnwụ, ice cream na nri ndị ọzọ, enwere ike iji ụfụfụ polypropylene gbasaa.Dika ule nleba anya nke BASF, EPP nwere ike nweta oge mbupu 100 ma obu karie, nke na-echekwa ihe nke ukwuu ma na-ebelata ego nkwakọ ngwaahịa.
Oge nzipu: Ọgọst-31-2022