Advanced Plating Technologies is an industry leading provider of passivation of stainless steel to ASTM A967, AMS 2700 and QQ-P-35
Perhaps what appears to be Type 11 is actually Type II??? I actually prefer to specify AMS2700 Method 2 - Passivation in Citric Acid ... which is applicable to virtually all SSTL/HRA metals...and is "eco-green" for storage/waste disposal. Regards, Wil Taylor o Trust - But Verify! o...