Stainless Steel Passi-Coupon

Stainless Steel Passi-Coupon

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Koslow Scientific
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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

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

    • Embossed with the stainless steel alloy type

    • Stored black jewelry pouch

    • Embossed with Alloy type, part number, 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