... is corrosive to brass,copper and zinc...Application:.Metham-sodium is a new type round disinfector which have suffocating ... ,root rot and weed seed in soil...Specification for Metham-sodium 500g/l SL.. ItemIndexAppearanceBrown liquidActivity ingredient , ≥500g/LInsoluble material, ... new AE.run.minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); Metham-sodium SL / AS