Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ
The authoritative public forum
for Metal Finishing since 1989
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Does DS9 passivation fall under ASTM A 380?
ASTM A380 call-out on the print. Does this DS9 passivation process satisfy this requirement? Susan Anapol
2006
My vendor suggests a DS9 passivation for 17-4 SS H900. This is a medical product and we have typically used a passivate to
Likewise DS9 is neither but rather...'DS9' process of Diversey Ltd., Northampton, UK, is described for chemical brightening of stainless steel and Ni alloys, e.g., Hastelloy, Inconel, Kovar and Monel. Applications include food processing and medical equipment as well as aerospace components. Bill Grayson
metal finishing - San Jose, California
2006
Although I also see ASTM A380
called out on prints, it is not a passivation specification but a recommended practice for cleaning of stainless steel alloys.
2006
I contacted Henkel Corp. yesterday seeking information on Diversey Wyandotte DS-9-333. They said it was a special chemistry and is no longer in production. This was a great product. Parts would look like chrome with minimal material loss. Does anyone know of an equivalent product?
Rick WrightThere is a company in Minnesota called MPI that uses the DS-9-333 on on stainless steel battery cases that our company produces for the medical industry. CHUCK DORAN
2006
Rick;
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