Byoherejwe kuri 2016-12-22 Birazwi neza ko Dacromet numuti wamazi utatanye ugizwe na zinc flake, flake ya aluminium ninyongeramusaruro.Ibikorwa nyuma yo kwibiza no gutera, gukiza 20min kuri 80 ℃ mu ziko mbere yo gushyushya, 30min kuri 300 ℃ mugukiza itanura.Kora chromium ya hexavalent yari ...