I roto i te ao whānui o ngā rauemi whakarewa, ko te TPU, te TPE me te TPR ngā rauemi e toru kua aro nuitia. He āhuatanga mahi ahurei tō ia rauemi, ā, he pai mō ngā āhuatanga tono rerekē. Mō ngā kaihoko rauemi mata whakarewa, he mea nui kia mārama ki ngā āhuatanga me te whānuitanga tono o ēnei rauemi.
Rauemi Maka TPU
E mōhiotia ana te rauemi whakarewa TPU (thermoplastic polyurethane) mō tōna ātete pai ki te pakū, te ātete hinu, te ngāwari me ngā āhuatanga pikau kawenga. Nā ēnei āhuatanga ka whakamahia whānuitia te matū whakarewa TPU i roto i ngā wira tueke me ngā wira mō ngā ahumahi maha. Ko te tikanga o tōna ātete pakū teitei ka taea te pupuri i te mahi pumau mō te wā roa, ka whakaiti i te hekenga o te mahi nā te kakahu me te haehae me te auau o te whakakapinga. Hei tāpiri, he haruru te rauemi whakarewa TPU i te wā e mahi ana, engari e whakaatu ana tēnei i tōna pikau kawenga me te pumau pai. Heoi, me mōhio kāore te TPU e ātete ki te waikura, nō reira me karo te pā roa ki te wai i te wā e whakamahia ana me te rokiroki.
Rauemi whakarewa TPE
Ka whakakotahi te matū whakarewa TPE (thermoplastic elastomer) i te ngāwari, te kaha me te manawanui o te rapa me ngā āhuatanga o te whakakoi werohanga. Mā tēnei ka ngāwari ake, ka whai hua ake hoki ngā whakarewa TPE i roto i te tukanga hanga. Hei tāpiri, he pai te taiao o ngā whakarewa TPE, ā, kāore he paitini, he pai te tae, he ngawari te pā, he ātete ki te huarere, he ātete ki te ngenge me te ātete ki te pāmahana. Mā ēnei āhuatanga ka whakamahia whānuitia te rauemi whakarewa TPE i roto i ngā ahumahi pēnei i ngā wira tueke me ngā wira trolley. Nā tōna ātete pai ki te pakū, te ngāwari me te mimiti ru, ka pai te mahi a te rauemi whakarewa TPE ina pāngia e ngā kawenga taumaha me ngā pānga. I taua wā anō, nā te iti o te haruru o te rauemi whakarewa TPE ka waiho hei rauemi pai mō te whai i tētahi taiao marino. Hei tāpiri, ka taea hoki te takai me te here i te rauemi whakarewa TPE ki te PP, PE, PC, PS, ABS me ētahi atu rauemi turanga, ka whānui ake ōna rohe tono.
Rauemi Maka TPR
Ka taea te kī ko te matū whakarewa TPR (rapa werawera) he momo TPE (i roto i te mara o te elastomer polystyrene) i tētahi tikanga. He mea hanga ki te SBS, ā, he pai ake tōna ngāwari i te TPE, engari he iti ake te ātete ki te pakū i te TPE; heoi anō, he tino pai te ātete ki te pakū, te ngāwari, me ngā āhuatanga mimiti ru o te matū whakarewa TPR, e pai ai mō ngā tono pēnei i ngā mīhini whakarewa taumaha e pāngia ana e ngā kawenga me ngā pānga taumaha. Hei tāpiri, he iti ake te utu o te matū whakarewa TPR i te TPE, e hoatu ana he painga ōhanga. Pērā i te TPE, ka taea hoki te whakakikorua i te rauemi whakarewa TPR ki ngā kirihou mārō pēnei i te PA me te PP, e whakanui ake ana i tōna ngāwari tono.
Whakarāpopototia
He āhuatanga motuhake, he whakamahinga motuhake hoki ō ngā rauemi whakarewa TPU, TPE me TPR. E mōhiotia ana te TPU mō tōna ātete pai ki te pakū, te ātete hinu me ngā āhuatanga kawe kawenga; e paingia ana te TPE mō tōna ngāwari teitei, tōna kaha teitei me te ngāwari ki te tukatuka i te werohanga; he wāhi tō te TPR i roto i te ao o ngā whakarewa taumaha nā tōna ngāwari pai me te iti o te utu. I te wā e whiriwhiri ana i ēnei rauemi whakarewa, me whakatau tātou i runga i ngā āhuatanga me ngā hiahia tono motuhake kia tino tutuki ai ngā rauemi kua tohua i ā tātou whakaritenga.
Wā tuku: Hakihea-31-2024