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Chemical-to-Tank Recommender

Chemical-to-Tank Recommender

Search 309 industrial chemicals, get OEM-verified polyethylene resin, fitting, gasket, and bolt recommendations in one pass. Data sourced from Snyder Industries (Granger, IA) and Enduraplas / Equistar Chemicals compatibility bulletins.

309 chemicals 15 pillar guides 2 OEM data sources

Select your chemistry

Tip: we support aliases. "Bleach" finds sodium hypochlorite. "Caustic soda" finds sodium hydroxide. "Muriatic acid" finds hydrochloric acid.

How the rating system works

S Satisfactory — long-term service, no expected damage at this concentration/temperature.

O Limited — occasional or short-term use; expect marginal swelling, color change, or stress.

U Unsatisfactory — do not use; attack, softening, cracking, or dissolution expected.

— No data — manufacturer did not publish a rating for this concentration/temperature combination. Treat as "contact engineering."

Materials of construction (MOC) stack published by Snyder covers the full system: resin formulation, specific gravity rating per ASTM D1998, fitting material (PVC, CPVC, polypropylene, bronze), gasket material (EPDM, Viton, Buna-N, PTFE), and bolt material (304 SS, 316 SS, Hastelloy, Titanium). Mismatched components are the most common failure mode — gaskets fail before tanks in 80%+ of chemical service incidents.

Where this data comes from

We compiled this database from two published OEM sources:

  • Snyder Industries (Snyder Industries, Inc., Granger IA) — Polyethylene Chemical Resistance Guide. MOC system recommendations including resin grade, fitting, gasket, and bolt material for each chemistry. Chemicals rated at manufacturing time against Snyder's own production resins and components.
  • Enduraplas / Equistar Chemicals (LyondellBasell) — Chemical Resistance of Polyethylene Bulletin. LDPE/MDPE and HDPE resistance ratings at 70°F and 140°F for 300+ industrial chemicals, sourced from polyethylene resin manufacturing research.

Rating disagreements between sources are retained — a chemical may be rated "S" by Enduraplas but show up with a Viton gasket spec from Snyder. Always select the stricter interpretation unless your consulting engineer has specific justification otherwise. For any chemistry outside this database, contact our engineering team.

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