Nqus txoj kev yog txoj kev yooj yim tshaj plaws ntawm polypropylene thermoforming. Thaum cov yas raug cua sov thiab haum rau ib puag ncig cov cuab yeej kev cai, lub tshuab nqus tsev siab tshem tawm cua thiab rub cov yas kom nruj dua rau lub cuab yeej.
Puas pp tuaj yeem ua tau thermoformed?
PP muaj qis yaj lub zog, uas tuaj yeem ua rau sagging thiab daim ntawv nyias nyias thaum lub sij hawm thermoforming. Tsis tas li ntawd, cov khoom siv muaj qhov nqaim qhov rais (15 ° C vs. 30 ° C rau PS & PET) kom ua tiav cov thermoforming uas yuav tsum tau ua tib zoo saib xyuas. … Lwm qhov kev sib tw tseem ceeb rau kev siv dav dav ntawm PP yog nws qhov kub hnyiab.
Koj tuaj yeem txo qhov shrinkage ntawm polypropylene li cas?
Tshaj qhov txhaj tshuaj, txo qhov txhaj tshuaj nrawm, nce nrawm nrawm, nce lub sijhawm txias thiab txheeb xyuas cov kab txias txias kom zoo. Txo qhov kub zoo li 190C, 180C hauv qab 200C yog tias koj tuaj yeem siv cov cua kub khiav pwm ces txo HRM kub ib yam. Tom qab ntawd koj cov khoom tau zoo.
Ntev npaum li cas polypropylene tuaj yeem decompose?
Lub Chaw Tiv Thaiv Ib puag ncig Asmeskas kwv yees tias kwv yees li 20% ntawm cov khoom pov tseg tsim tuaj yeem rov qab los rau qee hom yas. Ib zaug hauv qhov chaw pov tseg, polypropylene maj mam degrades thiab tuaj yeem coj mus nyob qhov twg los ntawm 20-30 xyoo kom tawg tag.
Qhov kub npaum li cas polypropylene soften?
At 327°F (163.8°C), polypropylene yuav yaj.
