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Koja je razlika između PVC i PU čeličnih creva?

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Trenutno je većina čeličnih creva izrađena od PVC -a i PU. Mnogim kupcima nije jasna razlika između ta dva i ne znaju da li da izaberu crevo od čelične žice od PVC -a ili čeličnu cev od PVC -a. PVC je polivinilhlorid, plastika opšte namene koja sadrži atome hlora i blago je otrovna. Ima oštar ukus nakon sagorevanja. Mnogi proizvodi se mogu napraviti na tržištu. Sada ima tendenciju da se eliminiše. PU je poliuretan. Mnoge ženske torbe, odeća, sunđeri i veštačka koža su sada. Bezbednije je za upotrebu. Sada ima tendenciju širenja. Trenutno će većina proizvođača i krajnjih korisnika plastične opreme brenda izabrati da koriste creva od PU čelične žice. Razlika između PVC i PU sirovina je zapravo vrlo jednostavna.

Razlika između PVC i PU čeličnog creva:

  1. Otpornost na temperaturu je različita. Maksimalna temperaturna otpornost PVC creva je 65 ℃, a maksimalna temperaturna otpornost PU čeličnog creva može da dostigne 90 ℃.
  2. Otpornost na habanje je drugačija. Creva izrađena od PU otpornija su na habanje, pa ako izvučete velike čestice, vek trajanja creva od čelične PVC žice je relativno kratak.
  3. Sa istom debljinom zida i istim razmakom žica, tekstura creva od PU čelika će biti mekša, a crevo od PVC čelika biće relativno tvrdo.

Kako razlikovati PVC i PU čelično crevo:

  1. PVC je inferiorniji od PU-u elastičnosti, a oporavak nakon istezanja se može proveriti. To dvoje se može razlikovati i uporediti. PVC dodaje neke druge supstance, pa je klizav; PU je lepljiviji i elastičniji.
  2. PVC se lako stvrdnjava i postaje hladan kada je hladan. Ako je PU, ima bolju fleksibilnost i neće se stvrdnuti i postati lomljiv.
  3. Test sagorevanja, PVC će emitovati zeleni dim, PU samo ispušta crni dim; PU ukus je mnogo svetliji od PVC ukusa.
  4. Od ivice creva od čelične žice od PU -a, osnovna tkanina od PU -a je deblja i mekša, a PVC podloga je tanka i tvrda.

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