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pvc栅栏涂料层钝化分析
浏览:发布日期:2017-11-28
pvc栅栏增强性涂料层钝化锌片均处在受控的阳极牺牲保护的状态, 填加的铝片起到了抑制锌片淘析的作用, 二者协同, 进一步加强了涂层的防护能力。pvc栅栏增强性涂料层中的化学物质主要是碱式碳酸锌等2ZnCO3·3Zn ( OH) 2,这些微碱性产物填塞了涂层间歇或破损处, 有效阻挡屏蔽腐蚀因子的通过, 并能在一定程度上实现自愈合。
PVC fence enhanced coating passivation of zinc were controlled in the sacrificial anode protection, aluminum filled zinc tablets can inhibit the elutriation effect, synergy between the two, to further strengthen the protective ability of coatings. PVC mainly enhanced chemical coating barrier layer is 2ZnCO3, 3Zn and other basic zinc carbonate (OH) 2, these products with micro alkaline coating or intermittent breakage, effectively prevent corrosion by shielding factor, and can realize the self healing to a certain extent.
pvc栅栏
pvc栅栏增强性涂料层钢铁基材采用独特的前处理, 在钢铁基材表面形成均匀、细致的锌系磷化层, 降低pvc栅栏增强性涂料层钢材表面的电极电位, 表面状态活化, 使涂层附着力加强。
The PVC barrier reinforced coating layer has unique pre-treatment on the steel substrate, forming a uniform and detailed zinc phosphating layer on the surface of the steel substrate, reducing the electrode potential of the PVC barrier reinforced coating steel surface, and activating the surface state, so as to enhance the adhesion of the coating.
pvc栅栏增强性涂料层锌基涂层中锌片层层叠叠, 相互覆盖, 形成多层次的屏蔽层, 在逐级消耗腐蚀介质的同时也显著延长了腐蚀介质的渗透路线; pvc栅栏增强性涂料层涂层中的锌片被助剂钝化处理, pvc栅栏增强性涂料层导电性适中。
PVC fence enhanced coating zinc based coating zinc sheet layers, covering each other, forming a multi-level shielding layer, step by step in the consumption of corrosive medium also significantly prolonged the infiltration route of corrosion medium; PVC enhanced zinc coating layer of barrier coating is auxiliary passivation layer of conductive coating enhanced PVC fence moderate.

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