Xov xwm
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Qhov txawv ntawm hnab looj tes nitrile thiab hnab looj tes looj yog dab tsi?
Qhov sib txawv ntawm cov hnab looj tes nitrile thiab cov hnab looj tes yas feem ntau yog cov khoom sib txawv thiab cov khoom tiv thaiv sib txawv ntawm cov khoom. Hauv ib puag ncig tshwj xeeb, cov neeg ua haujlwm tau raug mob los ntawm kev hnav cov cuab yeej tiv thaiv tus kheej tsis raug lossis kev tiv thaiv tsis txaus, thiab qee ...Nyeem ntxiv -
Qhov txawv ntawm "hnab looj tes nitrile, hnab looj tes PVC thiab hnab looj tes roj hmab" yog dab tsi?
Vim tias cov hnab looj tes pov tseg tuaj yeem faib ua cov hnab looj tes roj hmab nitrile, hnab looj tes PVC thiab hnab looj tes looj ntuj raws li cov khoom siv. Yog li qhov sib txawv ntawm lawv yog dab tsi? A, cov khoom siv sib txawv 1. cov hnab looj roj hmab nitrile: cov khoom siv yog NBR ib hom roj hmab butadiene, cov khoom tseem ceeb ntawm ...Nyeem ntxiv -
Cov nyhuv ntawm qhov ntxhib ntawm cov pwm ntawm kev tsim cov hnab looj tes yas
Tus kab mob coronavirus tshiab kis mus thoob ntiaj teb, tau muaj qhov xav tau ntau ntxiv rau cov khoom tiv thaiv, tshwj xeeb yog tiv thaiv lub qhov ncauj thiab hnab looj tes looj yas ntuj. Raws li ib qho ntawm kev ntsuas tiv thaiv tseem ceeb, hnab looj tes siv tshuaj kho mob ntuj tuaj yeem muab kev nyab xeeb zoo thiab cais tawm ...Nyeem ntxiv -
Cov hnab looj tes nitrile yog dab tsi? Qhov txawv ntawm nitrile thiab hnab looj tes roj hmab yog dab tsi?
Cov hnab looj tes Nitrile, qee zaum hu ua hnab looj tes nitrile, muaj kev nyab xeeb thiab tiv thaiv cov hnab looj tes ua los ntawm cov khoom siv roj hmab nitrile, muaj kev tiv thaiv zoo heev rau cov tshuaj lom neeg, lub cev zoo, tiv thaiv yam tsis zoo li qub, xis nyob, thiab feem ntau siv hauv cov khoom lag luam tsim khoom, tshuaj kho mob, zaub mov ua lag luam ...Nyeem ntxiv
