HOME FAQs BOOKS JOBS: Help Wanted Suggestions you are here: Hotline/Forum => Letter 30011

Anodized aluminum or stainless steel in deionized water

++++

How well does anodized aluminum hold up to deionized water? How does stainless hold up to deionized water? We have a customer that wants to use one of our grippers in a deionized water washdown and is concerned with corrosion or deterioration.

Mark K [last name deleted for privacy by Editor]
Pneumatic Gripper Manufacturer - Monroe, CT, USA

++++

Dear Mark,

It depends on your custumers' needs; are you concerned about metal ions in the water or corrosion on your item ? I have used a SS 316 heat exhanger for DI water, and it's not corroded yet..

Best regards,

Bo König
Food industry - Odense, Denmark

++++

Bo,

Thank you. I have been told that 3XX series stainless holds up well. My bigger concern is the hard coat anodized aluminum. I am not concerned with getting ions in the water, I am worried about our product corroding.

Regards,

Mark K [last name deleted for privacy by Editor]
Pneumatic Gripper Manufacturer - Monroe, Connecticut, USA

Ed. note: Some additional info on aluminum usage for D.I. water is in letters 8205, 10156 and 23991.

ANSWER or FOLLOW UP POST an unrelated QUESTION HOT Topics

Disclaimer: It is not possible to diagnose a finishing problem or the hazards of an operation via these pages. All information
presented is for general reference and does not represent a professional opinion nor the policy of an author's employer. The
internet is largely anonymous; some names may be fictitious and some recommendations may be deliberately harmful.

If you are seeking a product or service related to metal finishing, please check these Directories: