| Applies when | hydrochloric acid, hcl, hcl vapor, hcl fume |
|---|---|
| Avoid | metal, steel (Ductwork) |
| Recommend instead | (Ductwork or Scrubber) |
| Rationale | Metal corrodes in HCL vapor service; polypropylene resists corrosion in acid-vapor environments. |
| Confidence | confirmed |
| Source | data/case-studies/hcl-fume-scrubber.md, vendor-sources/poly-processing-chemical-storage.md, vendor-sources/poly-processing-fittings-accessories.md, vendor-sources/houston-polytank-website.md |
This is a general engineering rule derived from real field/case-study evidence, not a substitute for a project-specific specification review — confirm against your exact process conditions before ordering equipment.
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Source: Liberty Chemical Equipment & Supply, Inc. (LibertyCES) — engineering data compiled from real vendor and field-verified sources. For a free spec review, call James Riggins at (559) 395-5500 or email [email protected] / [email protected]. Website: libertyces.com.