Stainless Steel without colored oxide

Process Line for ChemPolish™ of 300 Series Stainless Steel without colored oxide

Step	Process Line	Concentration & Temperature	Time	Heater Equipment	Process Equipment	Exhaust Required
1.	Alkaline Clean: Spray MicroClean™ CuL (RD-19)	25% by volume 120-170°F (50-75°C)	2-4 Min.	SS or Quartz - OK Teflon - OK Titanium - OK	SS - OK PVC - OK PP - OK	Yes
OR
1A.	Alkaline Clean Soak tank MicroClean CuLX™ (RD-68)	25% by volume 120-170°F (50-75°C)		See above		No
2.	Cold Rinses, cascaded can usuallly be sent to drain with only pH adjustment, if needed
3.	ChemPolish™ S (spray) (RDX-817)	100% 175°-180° F (80-85° C)	60-90 Seconds	Teflon or Quartz – OK Titanium - OK	PVC - No PP - OK	Yes
OR
3A.	ChemPolish™ (tank) (RD-05)	100% 175°-1800° F (80°-850° C)	60-120 Seconds	Teflon or Quartz - OK Titanium - OK	PVC – No	Yes
4.	Cold Rinses, Cascaded, (May need to be treated for pH adjustment, and Nickel removal)
5.	(Treatment with 50% commercial 42° Be’ Nitric acid may be required if SS is high carbon, and a black smut is generated. This is room temp, ~30 seconds)
6.	Further cold rinse, if required.
7.	Dry, Turbine blower preferred, if material can handle force.