1.Use the hexavalent chromium passivation blueing agent, when you feel that blue-white glossy is not enough after blue-white passivation with hexavalent chromium.
2.Hexavalent chromium blue-white effect can be obtained or exceeded, when you use trivalent chromium passivation blueing agentIt is mostly suitable for small hardware parts, standard part.
3. The hexavalent chromium passivation blueing agent will not affect salt fog test, and keep color unchanged for a long time.
1.Operation condition:
Hexavalent chromium passivation blueing agent 5-15mL/L,PH 4-5 Temperature 80℃-100℃, swing for 3-15 sec（not too long）Facility and bath, steel or stainless steel heater.
2. product catalog:Hexavalent Chromium Passivation Blueing Agent