Pipa lori 2016-12-22O ti wa ni daradara mọ pe Dacromet ni a dispersible olomi ojutu ti o wa ninu zinc flake, aluminiomu flake ati additives.Awọn iṣẹ ṣiṣe lẹhin fibọ ati sokiri, imularada 20min ni 80 ℃ ni ileru alapapo iṣaaju, 30min ni 300 ℃ ni ileru imularada.Ṣe chromium hexavalent jẹ ọti adipic ati idinku Organic sinu ito ti dacromet ti a bo ko ni tu ninu omi.
O yẹ ki o ṣe akiyesi pe idinku chromium hexavalent sinu chromium trivalent ati oxidation chromium trivalent sinu chromium hexavalent jẹ ilana iyipada.Nitorinaa, ninu iṣẹ-ṣiṣe ti a ti sọ di mimọ, chromium trivalent yoo tẹsiwaju lati jẹ oxidized si chromium hexavalent, ati chromium hexavalent jẹ carcinogen, nitorinaa olubasọrọ yoo mu ipalara si ilera.Nitorinaa, ojutu ibora ti o ni chromium ti aṣa kii ṣe awọn itujade odo patapata, niwọn igba ti aye ti chromium hexavalent, yoo ni ipa kan lori agbegbe ati eniyan, nitorinaa, olokiki ti Dacromet ọfẹ chrome jẹ pataki.
Pẹlu awọn akitiyan aabo ayika ti orilẹ-ede tẹsiwaju lati ni okun, diẹ sii ati siwaju sii awọn aṣelọpọ awọn ẹya adaṣe nilo awọn ẹya ti a bo dacromet ọfẹ chrome.Ati paapaa ni idagbasoke awọn iṣedede imọ-ẹrọ dacromet ọfẹ chrome.Bi Volkswagen GMW3359, GM7111M ati be be lo.
Chrome free Dacromet wa ni o kun nwa fun miiran oludoti dipo ti chromic acid passivation ati imora.Ohun alumọni Dacromet ọfẹ Chrome ni akọkọ nlo ohun alumọni Organic, ohun alumọni eleto, molybdate, tungstate, fosifeti bi dinder, lilo kanna ti zinc scaly / flake aluminiomu bi paati kikun akọkọ, ati nipasẹ lẹsẹsẹ ti itọju Post-itọju, lati ṣaṣeyọri didara kanna. resistance ipata pẹlu chromium-ti o ni awọn Dacromet bo.
Imọ-ẹrọ Dacromet ọfẹ Chrome kii ṣe anfani nikan ti imọ-ẹrọ chromium-dacromet, ṣugbọn tun lati igbaradi kun, ti a bo, fiimu, ti a bo funrararẹ jẹ ominira patapata ti chromium hexavalent, oye otitọ ti riri ti alawọ ewe ti kii-majele laiseniyan.Lati oju wiwo ayika, ni aaye agbaye ti chrome free Dacromet dipo chrome dacromet itọsọna gbogbogbo kii yoo yipada, yoo mu iyipo tuntun ti aaye imọ-ẹrọ anti-ibajẹ ti iyipada ayika.
Akoko ifiweranṣẹ: Jan-13-2022