Papa Hoʻokahe Palakiko, He papa ia i hana ʻia me ka polymer molekala kiʻekiʻe me ka hana hoʻokahe. Ma o ka hana hana kūikawā, hana ia i kahi ʻano ʻili like ʻole, hiki ke hoʻokuʻu aku i ka makū, hoʻemi i ke kaomi hydrostatic o ka papa wai ʻole, a hoʻokō i ka hopena wai ʻole.
1. ʻO nā mea nui o ka papa hoʻokahe plastik
1, Polystyrene (HIPS)
He thermoplastic maʻamau ka Polystyrene me ka hiki ke hana maikaʻi loa a me ka ikaika kiʻekiʻe. I ka hana ʻana i nā papa hoʻokahe plastik, hana ʻia ka polystyrene i loko o nā pepa me nā ʻano concave-convex, a hana ʻia nā kahawai hoʻokahe ma o nā kaʻina hana stamping a extrusion paha. Eia nō naʻe, nāwaliwali ka polystyrene i ke kū'ē ʻana i ka wā a me ka pala, a hiki ke ʻelemakule a palupalu ke hōʻike ʻia i nā wahi o waho no ka manawa lōʻihi.
2. Polyethylene (HDPE)
He thermoplastic ikaika kiʻekiʻe ka Polyethylene me ka pale maikaʻi loa i ka pala, ka wā a me ka hopena. I ka hana ʻana i nā papa hoʻokahe wai plastik, hiki ke hana ʻia ka polyethylene i loko o nā pepa me nā kahawai hoʻokahe wai hoʻomau, kahi i hoʻopili ʻia e ka welding thermal a i ʻole ka hoʻopaʻa ʻana i ka mechanical e hana i kahi ʻōnaehana hoʻokahe wai piha. He ola lawelawe lōʻihi ka papa hoʻokahe wai Polyethylene a he hana hoʻokahe wai maikaʻi, a hiki ke hoʻohana ʻia i nā papahana pale wai e like me nā hale papahele a me nā hale kaupaku.
3, Polyvinyl chloride (PVC)
He thermoplastic ka Polyvinyl chloride me ka hiki ke hana maikaʻi loa a me ka ikaika kiʻekiʻe. Ke hoʻohālikelike ʻia me ka polystyrene a me ka polyethylene, ʻoi aku ka maikaʻi o ka pale ʻana i ka lapalapa a me ke kūpaʻa i ka palaho kemika o PVC. I ka hana ʻana o ka papa hoʻokahe plastik, hana ʻia ka polyvinyl chloride i loko o ka papa me ka ʻano concave-convex, a hoʻokumu ʻia nā kahawai hoʻokahe e ke kaʻina extrusion a i ʻole calendering. ʻAʻole wale nā waiwai hoʻokahe maikaʻi loa o ka papa hoʻokahe PVC, akā kūʻē pū i ka palaho waikawa a me ke kumu a me nā hoʻoweliweli ahi.
4. Polypropylene (PP)
He māmā ka Polypropylene, he thermoplastic ikaika kiʻekiʻe me ke kū'ē maikaʻi loa i ka wā a me ka pala. I ka hana ʻana i nā papa hoʻokahe wai plastik, hana ʻia ka polypropylene i loko o nā pepa me nā kahawai hoʻokahe wai hoʻomau, i hui pū ʻia e ka wili wela a i ʻole ka hoʻopaʻa ʻana i ka mīkini. He māmā ka papa hoʻokahe wai Polypropylene a he hana hoʻokahe wai maikaʻi, kūpono ia no nā ʻōnaehana hoʻokahe wai o nā alanui, nā tunnels a me nā papahana ʻē aʻe.
2. Ka hopena o ke koho ʻana i nā mea maka ma ka hana o ka papa hoʻokahe plastik
He hopena koʻikoʻi ke koho ʻana i nā mea maka i ka hana o ka papa hoʻokahe wai plastik. ʻOkoʻa nā papa hoʻokahe wai i hana ʻia me nā mea maka like ʻole i ka ikaika, ke kūpaʻa i ka pala, ke kūpaʻa i ka wā, ka pale ʻana i ka lapalapa, a me nā mea ʻē aʻe. No laila, i ke koho ʻana i kahi papa hoʻokahe wai plastik, pono e noʻonoʻo pono e like me nā pono ʻenekinia kikoʻī a me nā kūlana geological, a pono e koho ʻia nā mea maka kūpono loa a me ke ʻano o ka papa hoʻokahe wai.
E like me ka mea i ʻike ʻia mai luna mai, ʻo nā mea maka o ka papa hoʻokahe plastik e komo pū ana me ka polystyrene, polyethylene, polyvinyl chloride a me ka polypropylene. ʻOkoʻa ka hana o nā papa hoʻokahe i hana ʻia me nā mea maka like ʻole, no laila pono e koho ʻia e like me nā pono ʻenekinia kikoʻī.
Ka manawa hoʻouna: Ian-16-2025
