Kev Tshawb Fawb TxogTPU PelletQhov Nyuaj: Cov Kev Ntsuas, Cov Ntawv Thov thiab Cov Kev Ceeb Toom rau Kev Siv
TPU (Thermoplastic Polyurethane), ua cov khoom siv elastomer ua tau zoo, qhov nyuaj ntawm nws cov pellets yog qhov tseem ceeb uas txiav txim siab qhov ua tau zoo ntawm cov khoom siv thiab cov xwm txheej siv. Qhov nyuaj ntawm TPU pellets yog qhov dav heev, feem ntau yog los ntawm ultra-soft 60A mus rau ultra-hard 70D, thiab cov qib nyuaj sib txawv sib raug rau cov khoom sib txawv kiag li.Qhov siab dua qhov nyuaj, qhov muaj zog dua qhov rigidity thiab deformation tsis kam ntawm cov khoom, tab sis qhov yooj ywm thiab elasticity yuav txo qis raws li.; ntawm qhov tsis sib xws, TPU uas tsis muaj zog ntau tsom mus rau qhov mos thiab rov qab los ntawm elastic.
Hais txog kev ntsuas qhov nyuaj, Shore durometers feem ntau siv hauv kev lag luam rau kev sim. Ntawm lawv, Shore A durometers yog qhov tsim nyog rau qhov nruab nrab thiab qis hardness ntawm 60A-95A, thaum Shore D durometers feem ntau yog siv rau TPU siab-hardness saum 95A. Ua raws li cov txheej txheem txheem thaum ntsuas: ua ntej, txhaj TPU pellets rau hauv cov khoom sim tiaj tus nrog lub thickness tsis tsawg dua 6mm, xyuas kom meej tias qhov chaw tsis muaj qhov tsis zoo xws li npuas thiab khawb; tom qab ntawd cia cov khoom sim sawv hauv ib puag ncig nrog qhov kub ntawm 23 ℃ ± 2 ℃ thiab qhov av noo ntawm 50% ± 5% rau 24 teev. Tom qab cov khoom sim ruaj khov, nias lub indenter ntawm durometer ntsug rau ntawm qhov chaw ntawm cov khoom sim, khaws cia rau 3 vib nas this thiab tom qab ntawd nyeem tus nqi. Rau txhua pawg ntawm cov qauv, ntsuas tsawg kawg 5 cov ntsiab lus thiab coj qhov nruab nrab kom txo qhov yuam kev.
Yantai Linghua New Material Co., Ltd.muaj cov kab khoom tiav uas npog cov kev xav tau ntawm ntau yam kev nyuaj. TPU pellets ntawm ntau yam kev nyuaj muaj kev faib ua haujlwm meej hauv cov teb thov:
- Hauv qab 60A (ultra-mos)Vim lawv qhov kov zoo heev thiab elasticity, lawv feem ntau siv rau hauv cov khoom uas muaj qhov xav tau siab heev rau qhov mos xws li cov khoom ua si rau menyuam yaus, cov pob decompression grip, thiab cov ntaub insole;
- 60A-70A (mos): Sib npaug ntawm kev ywj pheej thiab kev hnav tsis kam, nws yog cov khoom siv zoo tagnrho rau cov khau kis las, cov nplhaib kaw dej tsis muaj dej, cov raj xa dej thiab lwm yam khoom;
- 70A-80A (nruab nrab-mos): Nrog kev ua tau zoo sib npaug, nws yog siv dav hauv cov xwm txheej xws li cov ntaub thaiv kab hlau, cov npog lub kauj tsheb, thiab cov ntaub qhwv kho mob;
- 80A-95A (nruab nrab-nyuaj mus rau nyuaj): Sib npaug ntawm kev nruj thiab kev tawv, nws yog qhov tsim nyog rau cov khoom uas xav tau qee lub zog txhawb nqa xws li lub tshuab luam ntawv rollers, game controller nyees khawm, thiab cov xov tooj ntawm tes;
- Saum toj no 95A (ultra-hard): Nrog lub zog siab thiab kev cuam tshuam tsis kam, nws tau dhau los ua cov khoom siv nyiam rau cov iav kev lag luam, cov ntaub thaiv kev kho tshuab, thiab cov khoom siv hnyav poob siab.
Thaum sivTPU pellets,cov ntsiab lus hauv qab no yuav tsum tau sau tseg:
- Kev sib raug zoo ntawm tshuaj lom neegTPU rhiab heev rau cov kuab tshuaj polar (xws li cawv, acetone) thiab cov kua qaub thiab alkalis muaj zog. Kev sib cuag nrog lawv yuav ua rau o lossis tawg yooj yim, yog li nws yuav tsum zam hauv cov chaw zoo li no;
- Kev tswj kubQhov kub siv ntev yuav tsum tsis pub tshaj 80 ℃. Qhov kub siab yuav ua rau cov khoom laus sai dua. Yog tias siv rau hauv qhov kub siab, yuav tsum siv cov khoom ntxiv uas tiv taus cua sov;
- Cov xwm txheej cia khoomCov khoom no muaj hygroscopic heev thiab yuav tsum tau khaws cia rau hauv qhov chaw kaw, qhuav thiab muaj cua nkag nrog cov av noo tswj tau ntawm 40% -60%. Ua ntej siv, nws yuav tsum tau ziab hauv qhov cub 80 ℃ rau 4-6 teev kom tiv thaiv cov npuas thaum lub sijhawm ua tiav;
- Kev hloov kho ua tiav: TPU ntawm qhov nyuaj sib txawv yuav tsum phim cov txheej txheem tshwj xeeb. Piv txwv li, TPU nyuaj heev yuav tsum nce qhov kub ntawm lub thoob mus rau 210-230 ℃ thaum lub sijhawm txhaj tshuaj molding, thaum TPU mos yuav tsum txo qhov siab kom tsis txhob muaj teeb meem flashing.
Lub sijhawm tshaj tawm: Lub Yim Hli-06-2025