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- ʻO ka hollow blow molding, kahi hana wikiwiki o ka hana plastik. I ka wā o ke Kaua Honua ʻElua, ua hoʻomaka ka hoʻohana ʻana i ka hoʻoheheʻe ʻana e hana i ka pahu polyethylene haʻahaʻa haʻahaʻa. I ka hopena o nā makahiki 50, me ka hānau ʻana o ka polyethylene kiʻekiʻe kiʻekiʻe a me ka hoʻomohala ʻana o ka mīkini hoʻoheheʻe ʻana, ua hoʻohana nui ʻia ka ʻenehana puhi puhi. .
- ʻO nā plastics no ka puhi ʻana he polyethylene, polyvinyl chloride, polypropylene, polyester a pēlā aku. Hoʻohana nui ʻia nā pahu hollow e like me nā pahu pahu ʻoihana. Hiki ke hoʻokaʻawale ʻia ka puʻu i loko o ka extrusion blow molding a me ka injection blow molding, a ua hoʻomohala hou ʻia ka multi layer blow molding a me ka tensile blow molding.
- He ʻano hana ʻo Extrusion blow molding no ka hana ʻana i nā ʻāpana thermoplastic hollow. ʻO nā mea hoʻoheheʻe puhi i ʻike nui ʻia, ʻo ia nā ʻōmole, nā barela, nā kini, nā pahu, a me nā ipu no nā meaʻai āpau, nā mea inu, nā mea hoʻonaninani, nā lāʻau lapaʻau a me nā pono o kēlā me kēia lā. Hoʻohana pinepine ʻia nā ipu hoʻoheheʻe nui i loko o ka hoʻopili ʻana i nā huahana kemika, nā lubricants a me nā mea nui. ʻO nā huahana puhi ʻē aʻe he pōpō, bellows a me nā mea pāʻani. No ka ʻoihana kaʻa, puhi ʻia ka pahu wahie, ka mea hoʻoheheʻe sedan, ke kua o ka noho, ke kikowaena waena, a me ka pahu lima a me ka uhi poʻo. No ka hana ʻana i nā mīkini a me nā lako, e puhi i nā ʻāpana i ka pūpū, ka pā, ka pā puka, nā ipu hao a i ʻole e wehe i ka pahu.