Kuj ua kom muaj corrosion rau headboard

- Jul 30, 2018-


Kuj ua kom muaj corrosion rau headboard



Kuj rau qhov tawg (ASTM B117-16 (mod)


[Muaj feem xyuam rau cov qauv / qauv khoom tsim los ntawm cov hlau los yog cov qauv uas muaj xim tho xim uas tuaj yeem tshwm rau ib puag ncig]

Yuav tsum tiv thaiv 24 xuab moos hauv 1% cov tshuaj tsuag ntsev (huab) uas tsis pom muaj oxidation / corrosion / nrig txog kev pom.

Hloov = 1% ntsev tshuaj tsuag (huab)