Process for Cleaning and Polishing Cobalt/Chromium

Minimum recommended process for electropolishing Cobalt/Chromium

This is effective ONLY with metal which does not contain colored oxide:

Step	Process Line / Description
1.	Clean in MicroClean Ti™ (RDZ-1849) (Time and temperature to be determined, no such thing as “too much”)
2.	Water Rinse
3.	Alcohol Rinse
4.	ElectroPolish Ti2 (RDZ-1676), 300+ Amps/ft2, up to 10 minutes

This process is effective for metal which has colored oxide:

Step	Process Line	Concentration & Temperature	Equipment Required	Ventilation Requirements
1.	Pre-Clean in MicroClean Ti™ (RDZ-1849)	100% 50°+ C	SS labware PP or PVC	Not Required
2.	Rinse in tap water
3.	Alkaline Descale™ (RDZ-1734)	50% Part A 50% Part B 80°–100° C 4-24 hours	Pyrex or SS	Not Required
4.	Rinse in tap water	Room Temperature
5.	Descale Remover (RDZ-1735)	100% Room Temp 60 Seconds	Glass or Plastic	Recommended
6.	Rinse in tap water
7.	Rinse in dry alcohol			???
8.	ElectroPolish Ti2™ (RDZ-1676)	100% Room Temperature	SS	Required
9.	Rinse in water