Polyurethane sealing ring inoratidzwa nekupfeka kuramba, mafuta, asidhi uye alkali, ozone, kuchembera, kuderera kwekushisa, kubvarura, kukanganisa, etc. Polyurethane sealing ring ine mutoro mukuru unotsigira simba uye inoshandiswa zvakanyanya munzvimbo dzakasiyana-siyana. Pamusoro pezvo, mhete yekuisa chisimbiso inodzivirira mafuta, hydrolysi ...
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