He mau mea thermoplastic nā pepa HIPS (High Impact Polystyrene) i ʻike ʻia no ko lākou kūpaʻa maikaʻi loa i ka hopena, ka maʻalahi o ka hana ʻana, a me ke kumukūʻai kūpono. Hoʻohana nui ʻia lākou i ka hoʻopili ʻana, ka paʻi ʻana, ka hōʻike ʻana, a me nā noi thermoforming.
ʻAʻole, ua manaʻo ʻia ka palaki HIPS he mea haʻahaʻa ke kumukūʻai i hoʻohālikelike ʻia me nā palaki ʻenekinia ʻē aʻe. Hāʻawi ia i kahi kaulike maikaʻi o ke kumukūʻai kūpono a me ka hana, e kūpono ana no nā noi e pili ana i ka waihona kālā.
ʻOiai he maʻalahi ka HIPS, aia kekahi mau palena:
ʻOi aku ka haʻahaʻa o ke kūpaʻa UV (hiki ke hōʻino i lalo o ka lā)
ʻAʻole kūpono no nā noi wela kiʻekiʻe
Palena ʻia ke kūpaʻa kemika i hoʻohālikelike ʻia me nā plastik ʻē aʻe
He ʻano polystyrene i hoʻololi ʻia ʻo HIPS. He palupalu ka polystyrene maʻamau, akā aia nā mea hoʻohui rubber i loko o HIPS e hoʻomaikaʻi i ke kūpaʻa ʻana i ka hopena. No laila, ʻoiai pili lāua, ʻoi aku ka paʻa o HIPS a ʻoi aku ka paʻa ma mua o ka polystyrene maʻamau.
Aia ia ma ka noi:
Hāʻawi ʻo HDPE i ke kūpaʻa ʻana i nā kemika a me UV, a ʻoi aku ka maʻalahi.
ʻOi aku ka maʻalahi o ka paʻi ʻana ma luna o HIPS a ʻoi aku ka maikaʻi o ke kūpaʻa o ka dimensional no nā noi e like me ka hoʻopili ʻana a i ʻole nā hōʻailona.
Ma lalo o nā kūlana mālama kūpono (kahi anuanu, maloʻo, a kaʻawale mai ka lā pololei), hiki i nā pepa HIPS ke mau no kekahi mau makahiki. Eia nō naʻe, ʻo ka lōʻihi o ka hoʻopili ʻana i ka mālamalama UV a i ʻole ka makū e hoʻopilikia paha i ko lākou mau waiwai mechanical.
ʻOiai ʻo HIPS ka mea e hoʻohana ʻia ana i nā ʻoihana, ʻaʻole kūpono ʻo HIPS no nā mea hoʻokomo lapaʻau e like me ke pani kuli. Makemake ʻia nā mea e like me nā titanium alloys a me ka ultra-high-molecular-weight polyethylene (UHMWPE) no ko lākou biocompatibility a me ka hana lōʻihi.
Hiki i nā HIPS ke hōʻino i ka hala ʻana o ka manawa ma muli o:
Ka hōʻike ʻana o ka UV (ke kumu o ka palupalu a me ke kala ʻole)
Ka wela a me ka makū
Nā kūlana mālama maikaʻi ʻole
No ka hoʻolōʻihi ʻana i ke ola o ka papa mālama, e mālama i nā pepa HIPS i loko o kahi wahi i kāohi ʻia.