Cov yeeb nkab dej yas hu ua dab tsi?
Cov yeeb nkab dej yas hu ua dab tsi?

Video: Cov yeeb nkab dej yas hu ua dab tsi?

Video: Cov yeeb nkab dej yas hu ua dab tsi?
Video: Koos loos 2024, Kaum ib hlis
Anonim

Feem ntau kav siv niaj hnub no yog tooj liab, PVC , los yog ABS. Hu rau tus kws kho lub tshuab los hloov cov ntu xeb nrog yas ( PVC lossis ABS) thiab cov khoom siv hloov pauv raug. Yas : Yas yeeb nkab los yog ABS (acrylonitrile-butadiene-styrene) los yog PVC (polyvinyl-chloride).

Yog li ntawd, hom yeeb nkab twg yog siv rau dej?

PVC . PVC yog acronym uas sawv cev rau polyvinyl chloride . Ntawm hom sib txawv ntawm cov yeeb nkab yas siv rau kev ywg dej, PVC muaj ntau yam kev siv kav dej, los ntawm cov kav dej mus rau cov dej loj. Nws feem ntau yog siv rau kev xa dej hauv tsev, hauv tsev, thiab tsim cov kav dej hauv tsev.

Tsis tas li ntawd, cov kav dej yas yog dab tsi? Muaj peb yam yooj yim ntawm cov kav dej yas:

  • Cov yeeb nkab phab ntsa.
  • Cov txheej txheem phab ntsa.
  • Barrier yeeb nkab.
  • HDPE (High-density polyethylene)
  • ABS (acrylonitrile butadiene styrene)
  • uPVC (unplasticized polyvinyl chloride)
  • CPVC (post chlorinated polyvinyl chloride)
  • PB-1 (polybutylene)

Yog li ntawd, cov kav dej yas grey hu ua dab tsi?

Polybutylene (PB) cev yog a yas yas tubing uas feem ntau siv ua ib dej -Supply cev kav dej nyob rau xyoo nruab nrab ntawm 1978 thiab 1995, lub sijhawm ntawd nws tau raug txiav tawm vim muaj ntawv ceeb toom ntawm kav tawg thiab ua rau dej puas.

Cov kav dej puas yog yas?

Cov yeeb nkab yas xws li PVC (polyvinyl chloride, siv rau qhov txias dej nkaus xwb), thiab CPVC (chlorinated polyvinyl chloride, siv rau qhov kub thiab txias dej ) tau nyob ib puag ncig rau xyoo, thiab ob qho tib si tau pom zoo siv nrog haus dej . Teeb meem kev nyab xeeb feem ntau suav tias yog kev txhawj xeeb hauv PVC cev uas tau tsim ua ntej xyoo 1977.

Pom zoo: