Kuomarara kweTPU (thermoplastic polyurethane elastomer)ndeimwe yehunhu hwayo hwakakosha, iyo inosarudza kugona kwechigadzirwa ichi kuramba kuchinjika, kukwenya, uye kukwenya. Kuoma kunowanzo kuyerwa uchishandisa Shore hardness tester, iyo yakakamurwa kuita mhando mbiri dzakasiyana: Shore A neShore D, inoshandiswa kuyeraZvinhu zveTPUine mhando dzakasiyana dzekuoma.
Zvichienderana nemhedzisiro yekutsvaga, huwandu hwekuoma kweTPU hunogona kubva kuShore 60A kusvika kuShore 80D, izvo zvinobvumira TPU kuti ikwanise kuomerera pahuwandu hwekuoma kwerabha nepurasitiki uye kuchengetedza kusimba kwakanyanya muhuwandu hwese hwekuoma. Kugadziriswa kwekuoma kunogona kuwanikwa nekuchinja huwandu hwezvikamu zvakapfava uye zvakaoma muTPU molecular chain. Kuchinja kwekuoma kunogona kukanganisa zvimwe zvinhu zveTPU, zvakaita sekuwedzera kuoma kweTPU zvichikonzera kuwedzera kwesimba re tensile modulus uye kubvaruka, kuwedzera kwekuomarara uye kumanikidzwa, kudzikira kwekureba, kuwedzera kwehuwandu uye kugadzirwa kwekupisa kwakasimba, uye kuwedzera kwekudzivirira kwezvakatipoteredza.
Mukushandiswa kunoshanda,kusarudzwa kwekuomarara kweTPUichasarudzwa zvichienderana nezvinodiwa zvekushandisa. Semuenzaniso, TPU yakapfava (yakayerwa neShore A hardness tester) yakakodzera zvigadzirwa zvinoda kubatwa zvinyoro nyoro uye kureba kwakanyanya, nepo TPU yakaoma (yakayerwa neShore D hardness tester) yakakodzera zvigadzirwa zvinoda kutakura mutoro wakawanda uye kuramba kupfeka zvakanaka.
Pamusoro pezvo, vagadziri vakasiyana vanogona kunge vaine mitemo chaiyo yekuomarara uye zvirevo zvechigadzirwa, izvo zvinowanzotsanangurwa mumabhuku ehunyanzvi echigadzirwa. Kuti uwane rumwe ruzivo, ndapota tarisa webhusaiti yepamutemo yeIyo kambani Yantai Linghua New Materials Co., Ltd.
Pakusarudza zvinhu zveTPU, pamusoro pekuomarara, zvimwe zvinhu zvemuviri, nzira dzekugadzirisa, kuchinjika kwezvakatipoteredza, uye zvinhu zvinodhura zvinofanirwa kutariswa kuti ive nechokwadi chekuti zvinhu zvakasarudzwa zvinokwanisa kuzadzisa zvinodiwa zvemashandisirwo chaiwo.
Nguva yekutumira: Kubvumbi-28-2024