Kini Polytetrafluoroethylene Micro Powder?
Polytetrafluoroethylene Micro Powder, ti a tun mọ ni iwuwo molikula kekere polytetrafluoroethylene micro lulú, polytetrafluoroethylene ultrafine lulú, ati polytetrafluoroethylene wax, jẹ resini powdery funfun ti a gba nipasẹ polymerization ti tetrafluoroethylene ninu omi ti a tuka, ti o tẹle pẹlu condensation, fifọ, ati gbigbe gbigbẹ kekere lati gbejade. àdánù free-ṣàn lulú.
ifihan
Polytetrafluoroethylene micropowder, ti a tun mọ ni iwuwo molikula kekere polytetrafluoroethylene micro lulú tabi polytetrafluoroethylene ultrafine lulú tabi polytetrafluoroethylene epo, jẹ resini powdery funfun ti a gba nipasẹ polymerization ti tetrafluoroethylene ninu omi ti a tuka, ti o tẹle pẹlu condensation, fifọ, ati gbigbe. O ni awọn ohun-ini ti o dara julọ gẹgẹbi igbona ooru, resistance oju ojo, resistance otutu, ija kekere, aisi-ara, iduroṣinṣin kemikali, ati idabobo itanna. Ni afikun, nitori iwọn patiku apapọ kekere rẹ, o ni itọpa ti o dara ati pe o rọrun lati dapọ ni iṣọkan pẹlu awọn ohun elo miiran. Polytetrafluoroethylene (PTFE) ultrafine micro lulú jẹ funfun kekere iwuwo molikula ọfẹ ti nṣan lulú pẹlu ipilẹ molikula iduroṣinṣin ti o ni -(-CF2-CF2-) n, eyiti o ni resistance kemikali ti o dara julọ, iduroṣinṣin igbona, resistance oju ojo giga (diẹ sii ju ọdun mẹwa), UV resistance, iwọn otutu ti o ga julọ (iwọn ohun elo igba pipẹ wa ni ayika 260 ° C), iwọn otutu iwọn otutu (-200 si + 260 ° C), awọn ohun-ini ti kii ṣe igi ti o dara, idabobo itanna giga (1017Ωcm), idaduro ina nla, ati didara julọ. ara-lubricating-ini.
Awọn ohun-ini alailẹgbẹ
PTFE bulọọgi lulú Awọn ọja ni mimọ ti 100%, iwuwo molikula ti o kere ju 10,000, ati iwọn patiku ni iwọn 0.5-15μm. Wọn kii ṣe itọju gbogbo awọn ohun-ini ti o dara julọ ti polytetrafluoroethylene ṣugbọn tun ni ọpọlọpọ awọn ohun-ini alailẹgbẹ, bii ko si agglomeration ti ara ẹni, ko si ipa ina ina aimi, solubility ti o dara, iwuwo molikula kekere, dispersibility ti o dara, lubrication ti ara ẹni giga, ati idinku pataki ninu iyeida edekoyede. .
Awọn ohun elo ti Polytetrafluoroethylene Micro Powder
Polytetrafluoroethylene micropowder le ṣee lo bi lubricant ti o lagbara nikan tabi bi afikun fun awọn pilasitik, roba, awọn aṣọ, awọn inki, awọn epo lubricating, ati awọn girisi. Nigbati a ba dapọ pẹlu awọn pilasitik tabi roba, ọpọlọpọ awọn ọna iṣiṣẹ lulú aṣoju bii idapọmọra le ṣee lo, ati iye afikun jẹ 5-20%. Fifi polytetrafluoroethylene micro lulú si epo ati ọra le dinku olùsọdipúpọ ija, ati pe o kan diẹ ninu ogorun le ṣe alekun igbesi aye ti epo lubricating. Pipin epo olomi Organic le tun ṣee lo bi oluranlowo itusilẹ.