Kuoma kweTPU (thermoplastic polyurethane elastomer)ndechimwe chezvinhu zvayo zvakakosha zvemuviri, izvo zvinotarisa kugona kwechinyorwa kuramba deformation, makorokoza, uye mavanga. Hurema hunowanzoyerwa pachishandiswa shore hardness tester, iyo yakakamurwa kuita mhando mbiri dzakasiyana: Shore A neShore D, inoshandiswa kuyera.TPU zvinhupamwe nekuoma kwakasiyana siyana.
Zvinoenderana nemhedzisiro yekutsvaga, hurema hweTPU hunogona kubva kuShore 60A kuenda kuShore 80D, iyo inobvumira TPU kupfuudza kuomarara kwerabha nepurasitiki uye kuchengetedza yakakwira elasticity mukati mekuoma kwese kwese. Kugadziriswa kwekuoma kunogona kuwanikwa nekushandura chikamu chezvikamu zvinyoro uye zvakaoma muTPU molecular chain. Shanduko yekuomarara inogona kukanganisa zvimwe zvimiro zveTPU, sekuwedzera kuomarara kweTPU zvichitungamira mukuwedzera kwekusimba modulus uye kubvarura simba, kuwedzera kwekuomarara uye kudzvinyirira kushushikana, kuderera kwekurebesa, kuwedzera kwehuremu uye kune simba chizvarwa chekupisa, uye kuwedzera kwekupokana kwezvakatipoteredza.
Mukushandisa zvinoshanda, iyokuoma kusarudzwa kweTPUzvinozotemwa zvichibva pane chaiyo application zvinodiwa. Semuenzaniso, TPU yakapfava (inoyerwa neShore A hardness tester) inokodzera zvigadzirwa zvinoda kubata kwakapfava uye kureba kwakakwirira, nepo TPU yakaoma (inoyerwa neShore D kuomarara tester) inokodzera zvigadzirwa zvinoda yakakwirira-yekutakura mitoro uye yakanaka yekupfeka kuramba.
Uye zvakare, vagadziri vakasiyana vanogona kuve neyakaomarara miyero uye maratidziro echigadzirwa, ayo anowanzo kutsanangurwa mune zvigadzirwa zvehunyanzvi zvinyorwa. Kuti uwane ruzivo, ndapota tarisa kune yepamutemo webhusaiti yeIyo kambani Yantai Linghua New Materials Co., Ltd.
Pakusarudza TPU zvinhu, kuwedzera kuomarara, zvimwe zvinhu zvemuviri, nzira dzekugadzirisa, kuchinjika kwezvakatipoteredza, uye mutengo zvinhu zvinofanirwa kutariswa kuti ive nechokwadi chekuti zvinhu zvakasarudzwa zvinogona kusangana nezvinodiwa zvekushanda kwezvimwe zvikumbiro.
Nguva yekutumira: Kubvumbi-28-2024