Ka Loiloi Piha oʻO ka Pellet TPUPaʻakikī: Nā Palena, Nā Hoʻohana a me nā Mālama no ka Hoʻohana ʻana
TPU (Thermoplastic Polyurethane), ma ke ʻano he mea elastomer hana kiʻekiʻe, ʻo ka paʻakikī o kāna mau pellets kahi palena koʻikoʻi e hoʻoholo ai i ka hana o ka mea a me nā hiʻohiʻona noi. He ākea loa ka pae paʻakikī o nā pellets TPU, maʻamau mai ka ultra-soft 60A a i ka ultra-hard 70D, a ʻo nā māka paʻakikī like ʻole e pili ana i nā waiwai kino like ʻole.ʻO ke kiʻekiʻe o ka paʻakikī, ʻoi aku ka ikaika o ka paʻakikī a me ke kū'ē ʻana i ka deformation o ka mea, akā e emi ana ka maʻalahi a me ka elasticity e like me ia.; ma ke ʻano ʻē, ʻoi aku ka nānā ʻana o ka TPU paʻakikī haʻahaʻa i ka palupalu a me ka hoʻōla elastic.
Ma ke ʻano o ke ana ʻana o ka paʻakikī, hoʻohana pinepine ʻia nā Shore durometers i ka ʻoihana no ka hoʻāʻo ʻana. Ma waena o lākou, kūpono nā Shore A durometers no ka pae paʻakikī waena a me ka haʻahaʻa o 60A-95A, ʻoiai ʻo Shore D durometers e hoʻohana nui ʻia no ka TPU paʻakikī kiʻekiʻe ma luna o 95A. E hahai pono i nā kaʻina hana maʻamau i ke ana ʻana: ʻo ka mua, e hoʻokomo i nā pellets TPU i loko o nā ʻāpana hoʻāʻo pālahalaha me ka mānoanoa ʻaʻole i emi iho ma mua o 6mm, e hōʻoia ana ʻaʻohe hemahema o ka ʻili e like me nā pehu a me nā ʻōpala; a laila e waiho i nā ʻāpana hoʻāʻo i kahi ʻano me ka mahana o 23℃±2℃ a me ka haʻahaʻa pili o 50%±5% no 24 mau hola. Ma hope o ka paʻa ʻana o nā ʻāpana hoʻāʻo, e kaomi i ka indenter o ka durometer ma luna o ka ʻili o ka ʻāpana hoʻāʻo, e mālama no 3 kekona a laila e heluhelu i ka waiwai. No kēlā me kēia hui o nā laʻana, e ana ma ka liʻiliʻi he 5 mau helu a lawe i ka awelika e hōʻemi i nā hewa.
Yantai Linghua Mea Hou CO., LTD.Loaʻa iā ia kahi laina huahana piha e uhi ana i nā pono o ka paʻakikī like ʻole. Loaʻa i nā pellets TPU o ka paʻakikī like ʻole nā māhele maopopo o ka hana ma nā kahua noi:
- Ma lalo o 60A (ʻoluʻolu loa)Ma muli o ko lākou pā maikaʻi loa a me ka elasticity, hoʻohana pinepine ʻia lākou i nā huahana me nā koi kiʻekiʻe loa no ka palupalu e like me nā mea pāʻani pēpē, nā pōpō paʻa decompression, a me nā uhi insole;
- 60A-70A (palupalu): Ke kaulike nei i ka maʻalahi a me ke kūpaʻa ʻana i ka ʻaʻahu, he mea kūpono ia no nā ʻūpā kāmaʻa haʻuki, nā apo sila wai ʻole, nā paipu hoʻokomo a me nā huahana ʻē aʻe;
- 70A-80A (palupalu waena)Me ka hana kaulike piha, hoʻohana nui ʻia ia i nā hiʻohiʻona e like me nā uhi kaula, nā uhi huila kaʻa, a me nā tourniquets lapaʻau;
- 80A-95A (waena-paʻakikī a paʻakikī): Ke kaulike nei i ka paʻakikī a me ka paʻakikī, kūpono ia no nā ʻāpana e pono ai kahi ikaika kākoʻo e like me nā wili paʻi, nā pihi mea hoʻokele pāʻani, a me nā hihia kelepona paʻalima;
- Ma luna o 95A (paʻakikī loa)Me ka ikaika kiʻekiʻe a me ke kūpaʻa i ka hopena, ua lilo ia i mea makemake nui ʻia no nā pono hana ʻoihana, nā pale mīkini, a me nā pads haʻalulu lako kaumaha.
I ka wā e hoʻohana aiNā pellets TPU,pono e hoʻomaopopo ʻia nā mea aʻe:
- Hoʻohālikelike kemikaHe maʻalahi ka TPU i nā mea hoʻoheheʻe polar (e like me ka waiʻona, acetone) a me nā waikawa ikaika a me nā alkalis. ʻO ka hoʻopili ʻana me lākou e hiki ke hoʻoulu i ka pehu a i ʻole ka nahā ʻana, no laila pono e pale ʻia i loko o ia mau ʻano;
- Kaohi mahanaʻAʻole pono e ʻoi aku ka mahana o ka hoʻohana lōʻihi ma mua o 80℃. E wikiwiki ka mahana kiʻekiʻe i ka ʻelemakule o ka mea. Inā hoʻohana ʻia i nā kūlana wela kiʻekiʻe, pono e hoʻohana i nā mea hoʻohui pale wela;
- Nā kūlana mālamaHe hygroscopic kiʻekiʻe ka mea a pono e mālama ʻia i loko o kahi i hoʻopaʻa ʻia, maloʻo a me ka ea me ka makū i kāohi ʻia ma 40%-60%. Ma mua o ka hoʻohana ʻana, pono e hoʻomaloʻo ʻia i loko o ka umu 80℃ no 4-6 mau hola e pale ai i nā pehu i ka wā e hana ai;
- Hoʻololi hanaPono nā TPU o nā paʻakikī like ʻole e hoʻohālikelike i nā palena hana kikoʻī. No ka laʻana, pono ka TPU paʻakikī loa e hoʻonui i ka mahana o ka barela i 210-230℃ i ka wā o ka hoʻoheheʻe ʻana i ka injection, ʻoiai pono ka TPU palupalu e hoʻemi i ke kaomi e pale aku i ka flash.
Ka manawa hoʻouna: Aug-06-2025