Part No. PS 304
The Passivation Coupon is a daily qualification for use with Passivation Testers.
- Treated in a nitric acid bath as stated in the ASTM. A 380-88 Standard practice for cleaning and descaling stainless steel parts, equipment, and systems.
- Clean of surface free iron, to be used as a comparison surface
- Passive chrome oxide film sample
- To be used daily before the evaluation of lesser-known stainless steel parts and tanks.
- Stored in a black jewelry pouch
- Embossed with stainless steel alloy type, part number, and trace number
- Required equipment for passivation calibration services
- Size: (25 x 25 x 1mm) One inch square
- Comes standard with the Passi-Flash 3036 Stainless Steel Passivation Test Kit