tisakindofzincpassivationprotectiveprocess,absolutelyexclusiveofhexavalent. Platingfilmiseven
t is a kind of zinc passivation protective process, absolutely exclusive of hexavalent.
Plating film is even black, full gloss to half gloss
壓克力製品專用接著劑具有最好的流動性,可使壓克力厚板接著95%無氣泡