Thank you for visiting the Advanced Plating Technologies Specification Database. Below is a technical summary of specification QQ-P-35C from Federal Specification for Passivation. For more information on our full line of Passivation services please visit our passivation of stainless steel page. You can also request a quote or contact a member of our technical sales team for more information.
Company: Federal Specification
Application: Passivation per QQ-P-35C, Type II (20-25% by volume nitric acid and 2.5 by weight of sodium dichromate), Type VI (25-45% by volume nitric acid), Type VII (20-25% by volume nitric acid
Plate Thickness: Type II: 20-25% nitric acid and 2.5 sodium dichromate; Type VI: 25-45% nitric acid; Type VII: 20-25% nitric acid
Strike Thickness: Type II: 20 min at 120-130 degrees F; Type VI: 30 mins at 70-90 degrees F; Type VII: 20 mins at 120-140 degrees F
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