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EPDM vs PTFE
ʻO ka EPDM rubber no ka thermoset elastomers (rubber) classification, aʻo PTFE no ka thermoplastics.E ʻoluʻolu e hoʻomaopopo he ʻano like ʻole nā mea ʻelua.ʻO ka ʻōpala EPDM kahi mea elastomer thermoset a i ʻole mea lāʻau.Loaʻa iā ia ka haʻahaʻa haʻahaʻa a me ke kiʻekiʻe loa ...Heluhelu hou aku -
Ke hoʻohana nei i nā uhi PTFE i nā mea lapaʻau intravascular
ʻO Dr BP van der Wal, Merit Medical Coatings a me Charles Fields, Whitford Corporation, e kūkākūkā i ka hoʻohana ʻana i nā uhi PTFE i nā mea lapaʻau intravascular.Ua nui nā kūkākūkā e pili ana i nā uhi PTFE i ka mākeke lāʻau lapaʻau vascular.I Nowemapa, 2015 ua hoʻopuka ka FDA i kahi kamaʻilio palekana ...Heluhelu hou aku -
ʻO ka polyethylene-nui-molecular-kaumaha
ʻO ka polyethylene ultra-high-molecular-weight (UHMWPE, UHMW) kahi ʻāpana o ka polyethylene thermoplastic.ʻIke ʻia hoʻi he polyethylene modulus kiʻekiʻe, (HMPE), loaʻa nā kaulahao lōʻihi loa, me ka molecular mass maʻamau ma waena o 3.5 a me 7.5 miliona amu. ʻO ke kaulahao lōʻihi e hoʻoili i ka ukana ʻoi aku ka hopena ...Heluhelu hou aku -
ʻO ka ʻokoʻa ma waena o ka Polyurethane a me ka Nylon Tubing
Ke ho'āʻo nei e hoʻoholo inā e kūʻai i nā paipu nylon a i ʻole polyurethane hoses no kāu noi pneumatic?ʻO ka hoʻomaopopo ʻana i nā ʻokoʻa o nā mea e hiki ai iā ʻoe ke hana i ke koho kūpono a hoʻomaikaʻi nui i ka hana ʻōnaehana.Hose Polyurethane A i ʻole Paipu Nylon?Hoʻololi: ʻOiai ka polyuret...Heluhelu hou aku -
UHMWPE Wehewehe a me nā manaʻo
ʻO ka wehewehe ʻana ʻo UHMWPE ka acronym o Ultra High Molecular Weight PolyEthylene UHMWPE he laina laina, haʻahaʻa haʻahaʻa, Ziegler-type-catalyst, polyethylene resin.Manaʻo UHMWPE loaʻa ke kaumaha-awelika molecular kaumaha, ma kahi o ʻumi manawa o ke kaumaha molekala kiʻekiʻe, High density po...Heluhelu hou aku -
Polypropylene-Laina
ʻO Polypropylene kā mākou ʻōnaehana ʻoi loa.He kūpaʻa maikaʻi kona i nā ʻakika inorganic a me nā kumu.Polypropylene Homopolymer: Hoʻohana ʻia ma 1"-8" Swaged Pipe; Hoʻohana ʻia i nā mea pono 1"-12"; Hiki i ka wela 0º F– 225º; E hōʻike i ke ʻano palupalu i ka wā e hoʻokokoke ana nā mahana i 0 F (-18 C); Loaʻa i kekahi ...Heluhelu hou aku
