khob nqus tsev vacuum

Lub tshuab nqus tsev nqus, tseem hu ua lub tshuab nqus tsev vacuum, yog ib qho ntawm cov khoom siv nqus tsev vacuum. Feem ntau hais lus, siv lub tshuab nqus tsev nqus los rub cov khoom yog qhov pheej yig tshaj plaws. Muaj ntau hom lub tshuab nqus tsev nqus tsev vacuum. Roj hmab suction khob tuaj yeem ua haujlwm hauv qhov kub thiab txias. Silicon roj hmab suction khob yog qhov tsim nyog rau kev tuav cov khoom ntxhib. Polyurethane suction khob yog ruaj heev. Tsis tas li ntawd, hauv kev tsim khoom tiag tiag, yog tias lub tshuab nqus tsev yuav tsum muaj cov roj ua haujlwm, nws tuaj yeem txiav txim siab siv polyurethane, nitrile roj hmab lossis yas uas muaj cov khoom siv polymers thiab lwm yam khoom siv los tsim lub tshuab nqus tsev. Feem ntau, txhawm rau kom tsis txhob khawb ntawm qhov chaw ntawm cov khoom, nws yog qhov zoo dua los xaiv lub khob nqus cov khoom siv nrog cov hauv qab ua los ntawm NBR lossis silicone roj hmab ua los ntawm NBR, uas muaj lub zog tawg loj, yog li nws tau siv dav hauv ntau yam. cov khoom siv nqus tsev vacuum.