Cov Khoom Tseem Ceeb Ntawm Cov Neeg Laus Diapers

Lub teb chaws tus qauv GB/T28004 teev tseg tias qhov tseem ceeb permeability yuav tsum tau rau cov neeg laus cov pawm yog: tus nqi nplua tsis ntau tshaj 30 ml, qhov re-osmosis tsis ntau tshaj 20 grams, thiab cov dej xau tsis ntau tshaj 0.5 grams. Cov khoom sib txawv yuav tsum muaj: tag nrho ntev ntxiv /- 6 feem pua, tag nrho qhov dav ntxiv /- 8 feem pua, strip zoo ntxiv /- 10 feem pua ​​. Tus nqi PH yuav tsum nyob nruab nrab ntawm 4.