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Jessica Westwood
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Posted in: , on 4. Dec. 2001 - 11:56

What material can I use to protect surfaces against (20% concentration by weight) hydrochloric acid? Maximum operating temp is less that 50 degrees Centigrade.

Thanks.

Jess. ■

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Hydrochloric Acid

Posted on 5. Dec. 2001 - 08:33

Hi Jessica,

The following materials are classified as unaffected by 20% Hydrochloric acid in pumping applications:

Carbon

Ceramic

Epoxy resin

Natural rubber

Nylon

Polypropylene

Polythene

Teflon

Viton

Be careful with the plastics at temperatures above 25 degrees Centigrade.

Regards,

Mike Griffiths. ■