Ulusi matepi Information

matepi ulusi ntchito kuti asindikize, mafuta, ndi kupewa kulanda pa akapichi yamazinga, studs, ndi zovekera. Iwo zafala monga:

  • tepi Teflon
  • PTFE tepi
  • PTFE tepi ulusi chisindikizo
  • tepi plumber a

matepi ulusi zambiri zopangidwa polytetrafluoroethylene (PTFE), kwambiri crystalline perfluorinated polima amene amadziwika ndi zake mtundu DuPont ndi mayina chizindikiro-Teflon. PTFE tepi ali koyefishienti otsika kwambiri a mikangano, zabwino mankhwala kukana, ndi bwino kutentha kukana. Chemical inertness chindiletsa mtanda kulumikiza ndi kuvumbitsira PTFE ulusi matepi wabwino ntchito zimene zikukhudza mankhwala onyeketsa monga mpweya ndi madzi, kapena caustics monga hydroxide ammonium. matepi ulusi akhoza kukhala ndi polyethylene (Pe), ndi otsika mtengo pulasitiki kuti chimatsutsana madzi ndi mankhwala ambiri.

zofunika

Ulusi matepi kunyamula specifications monga:

  • kachulukidwe
  • kulimba kwamakokedwe
  • elongation
  • miyeso
  • gawo lapansi ngakhale

PTFE ulusi tepi ogulitsa kufotokoza zinthu zawo monga mwina mkulu-kachulukidwe kapena otsika kachulukidwe. matepi High kachulukidwe PTFE ulusi kawirikawiri ndi osalimba a .70 g / cm3 kapena 1.2 g / cm3. matepi Low-kachulukidwe PTFE ulusi kawirikawiri ndi osalimba a .37 g / cm3. kulimba kwamakokedwe ndi mphamvu chofunika kuswa chidutswa cha tepi ulusi ndi kukoka pa malekezero zosiyana. Elongation ndi kuwonjezeka fractional m'litali ulusi Tepi chifukwa kupanikizika mavuto kapena kuwonjezeka matenthedwe. miyeso zofunika matepi ulusi monga m'litali, m'lifupi, ndi makulidwe. Pankhani gawo lapansi ngakhale, matepi ena Teflon tinapangidwa ntchito ndi mapaipi, timachubu, kapena conduits zopangidwa ndi zitsulo zotayidwa, chitsulo wakuda, kapena mkuwa. Other PTFE ulusi chisindikizo tepi litsatira chrome, mkuwa, galasi, pulasitiki kapena mphira.

miyezo

PTFE ulusi matepi kutsatira awiri kutsata mfundo zikuluzikulu khalidwe ndi mitundu yosiyanasiyana chifukwa zosiyanasiyana ntchito. MIL-T-27730A ndi US asilikali mfundo (MIL-masuliridwe) kuti n'chakuti ndi makulidwe osachepera 3 mils. AA-58092 ndi muyezo malonda amene amakhala lamulo makulidwe a MIL-T-27730A, koma anawonjezera osachepera kachulukidwe muyezo. White PTFE ulusi tepi amapereka zisindikizo zolimba zosiyanasiyana zimfundo yamazinga ndipo ndi oyenera kwambiri kuikira ndi machitidwe madzi abwino. Yellow PTFE ulusi tepi lakonzedwa kuti ntchito ndi mapaipi, conduits, akapichi, mavavu, ndi mizere mpweya yamazinga kuti kunyamula mpweya, amoniya, byuteni, chlorine, kapena wa hydrogen. Pinki Teflon tepi unapangidwa heavy-ntchito, mafakitale kalasi PTFE ndi ntchito mafomu malonda kapena mafakitale kuikira. Green Teflon ulusi matepi akhoza kugwiritsidwa ntchito mu ntchito mpweya-kupatsirana.

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Post nthawi: Sep-08-2018
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