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Nā waiwai o nā kiʻiʻoniʻoni PTFE

Hiki i ke kiʻi ʻoniʻoni PTFE ke hōʻea i ka pae B1 pale ahi maʻamau DIN4012, hiki i ka wela hoʻoheheʻe ke hiki i 200 ℃, a ʻaʻole maʻalahi ke hopu i ke ahi.Māmā māmā, ductility maikaʻi, ikaika compressive kiʻekiʻe, ʻaʻole maʻalahi e haehae.ʻO ke ola lōʻihi o ka lawelawe ʻana, ʻoi aku ma mua o 30 mau makahiki, he mea ʻoluʻolu maikaʻi no nā kūkulu hale hoʻoneʻe ʻelua.No ka mea, hoʻopaʻa ka kiʻi ʻoniʻoni PTFE i ke kaulahao molecular structure e nā ʻātoma fluorine, nāwaliwali loa kona hiki ke komo i nā mea kemika ʻē aʻe.Ma ka honua macro, ʻo ka ʻili o ka kiʻi PTFE e pili ana i 185N / M, haʻahaʻa ka mea maka, a ʻaʻole pili.

No laila, hōʻike nui nā kiʻi ʻoniʻoni PTFE i nā waiwai hoʻomaʻemaʻe ponoʻī a me ka pale wai.ʻO ke kiʻi ʻoniʻoni ʻo Teflon ka mea maka o ka fiber aniani uhi ʻia ʻo Teflon.He malleable loa ka PTFE ma kahi kūlana paʻa.Pono e hoʻoheheʻe ʻia ka uhi a hoʻopili ʻia i ka fiberglass.ʻO ka mahana hoʻoheheʻe ma luna o 400 ℃, a ʻo ke alapine o ka uhi ʻana e pono ai ma kahi o 10 mau manawa.Ma kēia loulou, e melemele ke aniani aniani ma muli o ke kiʻekiʻe o ka wela, a ʻoi aku ka nui o ka uhi ʻana, ʻoi aku ka kaumaha o ke kala.No laila, PTFE polytetrafluoroethylene kiʻiʻoniʻoni i hana wale i kahi kala ʻeleʻele.Eia nō naʻe, hiki i ka PTFE polytetrafluoroethylene kiʻiʻoniʻoni ke ʻeli a hoʻopaʻa i nā kukuna ultraviolet mai ka lā.

ʻAʻole hiki ke hoʻopili ʻia ke kiʻi ʻoniʻoni Teflon.Mai ka nānā 'ana i kona mau waiwai kino, aia nā kumu ko'iko'i: ka 'ilikai ha'aha'a, ka nui o ka nui o ke kino, ka nānā 'ana i ke kūpa'a kemika maika'i, ka ho'ohālike like 'ole o ke ki'i polytetrafluoroethylene, a me ka waiwai SP ha'aha'a o ka palena solubility o ka polytetrafluoroethylene film.He haʻahaʻa ka ʻili, a ʻaʻole nui ke kākoʻo o ka ʻili ma ka wahi koʻikoʻi.He 118 degere ko ka PTFE, he 91 degere ko hope, a he 104 degere.Nui nā mea maka a pau a ua kiʻekiʻe ka ʻāʻī o waena.He liʻiliʻi ka laulima lubrication, ʻo ia hoʻi ka hoʻopili maikaʻi ʻole a lawa ʻole ka hoʻopili.Wet Teflon plastic film, no laila, ʻaʻohe adhesion maikaʻi i ka nui o ka palaoa Teflon, ke kūpaʻa kemika analytical maikaʻi, ka pehu ʻana o ka teflon a me ka hoʻoheheʻe ʻana i nā polymers crystalline ʻaʻole hiki ke uhi ʻia ma Teflon plastic film hard polymer macromolecular kaulahao ma ka ʻili.


Ka manawa hoʻouna: ʻAukake-01-2022