Mapepala a HIPS (High Impact Polystyrene) ndi zinthu zopangidwa ndi thermoplastic zomwe zimadziwika kuti zimapirira kugwedezeka bwino, zosavuta kupanga, komanso zotsika mtengo. Amagwiritsidwa ntchito kwambiri popaka, kusindikiza, kuwonetsa, komanso kugwiritsa ntchito thermoforming.
Ayi, pulasitiki ya HIPS imaonedwa kuti ndi chinthu chotsika mtengo poyerekeza ndi mapulasitiki ena aukadaulo. Imapereka ndalama zokwanira komanso magwiridwe antchito abwino, zomwe zimapangitsa kuti ikhale yoyenera kugwiritsidwa ntchito mosasamala mtengo.
Ngakhale kuti HIPS ndi yosinthasintha, ili ndi zofooka zina:
Kukana kwa UV kochepa (kungawonongeke ndi dzuwa)
Sikoyenera kugwiritsa ntchito kutentha kwambiri
Kukana mankhwala pang'ono poyerekeza ndi mapulasitiki ena
HIPS ndi mtundu wa polystyrene wosinthidwa. Polystyrene wamba ndi wofooka, koma HIPS imaphatikizapo zowonjezera za rabara kuti ziwongolere kukana kugwedezeka. Chifukwa chake ngakhale zili zogwirizana, HIPS ndi yolimba komanso yolimba kuposa polystyrene wamba.
Zimatengera momwe ntchito ikuyendera:
HDPE imapereka kukana kwabwino kwa mankhwala ndi UV, ndipo imasinthasintha mosavuta.
Ma HIPS ndi osavuta kusindikiza ndipo ali ndi kukhazikika kwabwino pa ntchito monga kulongedza kapena zizindikiro.
Ngati zinthu zili bwino kusungidwa (malo ozizira, ouma, kutali ndi dzuwa), mapepala a HIPS amatha kukhala kwa zaka zingapo. Komabe, kukhudzidwa ndi kuwala kwa UV kapena chinyezi kwa nthawi yayitali kungakhudze momwe amagwirira ntchito.
Ngakhale kuti HIPS imagwiritsidwa ntchito m'mafakitale, HIPS si yoyenera kugwiritsa ntchito zinthu zoikamo mankhwala monga zosinthira mawondo. Zipangizo monga titanium alloys ndi ultra-high-molecular-weight polyethylene (UHMWPE) zimakondedwa chifukwa cha kugwirizana kwawo ndi kugwira ntchito kwa nthawi yayitali.
Ma hip amatha kuchepa pakapita nthawi chifukwa cha:
Kuwonetsedwa ndi UV (kumayambitsa kufooka ndi kusintha kwa mtundu)
Kutentha ndi chinyezi
Malo osasungirako zinthu bwino
Kuti muwonjezere nthawi yogwiritsira ntchito, sungani mapepala a HIPS pamalo olamulidwa bwino.