Dab tsi yog PVC?
PVC (polyvinyl chloride) zoo li "Transformers" ntawm lub ntiaj teb plastics, muaj peev xwm ua tau ob qho tib si mos thiab tawv los ntawm kev ntxiv cov khoom sib txawv. Mos PVC siv los ua phaib muaj 30%-40% plasticizer, muab nws zoo li roj hmab yooj yooj yim thaum tuav cov yas yas. Cov khoom no tswj kev ua haujlwm ruaj khov hauv ib puag ncig xws li -15℃txog 60 degree, ua rau nws tsis yooj yim tawg lossis deformed hauv kev siv txhua hnub.
Vim li cas thiaj xaiv PVC rau daim npav?
- Tus nqi kom zoo dua: Tus nqi raw khoom tsuas yog ib nrab ntawm PETG.
- Ua kom yooj yim: Yooj yim ua tiav cov txheej txheem xws li kub stamping thiab laser engraving.
- Durability: Lifespan ntau tshaj 5 xyoos nyob rau hauv ib txwm siv.
- Cov yam ntxwv ntawm kev nyab xeeb: Ua tau raws li tus me nyuam cov khoom ua si hu rau qib yuav tsum tau ua.
Kev siv ceev faj thiab lwm txoj hauv kev
Txawm hais tias daim npav PVC muaj cov huab cua tsis zoo, qhov ntev ntev ntawm lub hnub ci tseem yuav ua rau cov yas yas maj mam evaporate (tshwj xeeb yog cov nplaum nplaum). Cov ntaub ntawv tseem ceeb raug pom zoo kom muab khaws cia rau hauv lub teeb - daim ntawv pov thawj lub tes tsho. Rau cov xwm txheej uas xav tau ib puag ncig siab, bio-raws li PLA cov ntaub ntawv tuaj yeem txiav txim siab. Nco ntsoov tias PVC tsis tiv taus cov kua qaub thiab alkali muaj zog; Nws raug nquahu kom siv 75% cawv so thaum so.
