Passivator for inhibiting trivalent chromium of zinc coating from being oxidized to hexavalent chromium
A technology of trivalent chromium and hexavalent chromium, which is applied in the direction of metal material coating process, etc., can solve the problems of human health and environmental protection.
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Embodiment 1
[0042] A kind of passivating agent that inhibits the oxidation of trivalent chromium to hexavalent chromium in the galvanized layer, its raw material composition is as shown in the following table:
[0043] Table 1 A raw material composition table for a passivating agent that inhibits the oxidation of trivalent chromium to hexavalent chromium in the galvanized layer
[0044] raw material
Embodiment 2
[0046] A kind of passivating agent that inhibits the oxidation of trivalent chromium to hexavalent chromium in the galvanized layer, its raw material composition is as shown in the following table:
[0047] Table 2 A kind of raw material composition list of the passivating agent that inhibits the oxidation of galvanized layer trivalent chromium to hexavalent chromium
[0048] raw material
Embodiment 3
[0050] A kind of passivating agent that inhibits the oxidation of trivalent chromium to hexavalent chromium in the galvanized layer, its raw material composition is as shown in the following table:
[0051] Table 3 A kind of raw material composition table of the passivating agent that inhibits the oxidation of galvanized layer trivalent chromium to hexavalent chromium
[0052]
[0053]
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