Guides / Chemical Storage Tanks
HDPE Chemical Storage Tanks
Material-Mastered, Not Catalog-Guessed
High-Density Linear Polyethylene (HDLPE) tanks engineered by James Riggins for about 95% of industrial and municipal chemicals. From extrusion-wound rectangular tanks that never bulge to double-wall sulfuric acid systems and vented tanks, every spec is tuned to the chemistry, temperature, and duty cycle.
By James Riggins, Lead Engineer, Liberty Chemical & Equipment Supply, Inc.
Direct answer: High-Density Linear Polyethylene (HDLPE) tanks cover roughly 95% of industrial and municipal chemicals when correctly specified for resin, wall thickness, and temperature, with a recommended service limit around 120°F — beyond that, polypropylene (180–200°F) or FRP should be considered instead. Most HDPE tank failures trace back to spec problems rather than material problems: wall too thin, specific gravity rating too low, wrong resin for the temperature, missing venting, or rigid pipe glued to a flexing wall.
30+ years spec experience. Send James the process data and get a real answer — not a catalog page.
Request a Spec Review →120°F
Recommended HDPE Temp Limit
95%
Typical Chemical Compatibility
1.9 SG
Heavy-Duty Ratings
20+ yrs
Target Service Life (well-specified)
Engineering Note
The Riggins Multiplier: HDPE That Doesn't Bulge, Crack, or Implode
Most HDPE tank failures are not “material problems” — they are spec problems. Wall too thin. SG too low. Wrong resin for the temperature. No venting. Rigid pipe glued to a flexing wall. The Riggins Multiplier is James' 30+ years of field experience applied to every decision.
- HDLPE up to ~120°F
- Polypropylene (180–200°F) or FRP When HDPE Limits Are Exceeded
- NSF/ANSI 61 · FDA · EPA/SPCC · Seismic/Wind Restraints
- Double-Wall SAFE-Tank® Systems Available
Product lines
HDPE and polyethylene tank lines LibertyCES specifies
41 published product lines from 7 manufacturers, from 2 to 30,000 gallons (8–113,562 L). Each row links to the manufacturer document it comes from. For a specific capacity, use the tank size finder.
| Manufacturer & line | Capacity | Material | Rated SG | Temperature | Source document |
|---|---|---|---|---|---|
| Houston PolyTank Vertical Cylindrical Tank | 50–30,000 gal 189–113,562 L | PP or HDPE | HDPE up to 120F; PP up to 180F chemical / 200F water-air | Houston PolyTank product catalog, pp. 4-8 | |
| Peabody Engineering Vertical Storage Tanks | 1,100–20,000 gal 4,164–75,708 L | Natural SD or Blue HD | Peabody Engineering, LLC — General Product Catalog (July 2026 Edition) | ||
| Houston PolyTank Patented Extrusion-Wound Rectangular Tank | up to 18,000 gal 68,137 L | PP or HDPE | Houston PolyTank product catalog, pp. 9-10 | ||
| Snyder Industries Brine Tanks | up to 16,500 gal 62,459 L | FDA-compliant food-grade polyethylene | Snyder Industries — Industrial Tanks & Fittings | ||
| Ace Roto-Mold Vertical Tanks | 10–15,500 gal 38–58,674 L | Linear LDPE or HDPE, UV stabilized | to 2.00 | Ace Roto-Mold (a division of Den Hartog Industries, Inc.) — General Product Catalog… | |
| Ace Roto-Mold Gusseted Tanks | 1,050–15,500 gal 3,975–58,674 L | Linear LDPE or HDPE | to 1.80 | Ace Roto-Mold (a division of Den Hartog Industries, Inc.) — General Product Catalog… | |
| Poly Processing Open-Top Tanks | 50–14,650 gal 189–55,456 L | polyethylene | Poly Processing — Full Tank Offerings | ||
| Snyder Industries Cone Bottom Tanks | 15–13,000 gal 57–49,210 L | HDLPE or XLPE | to 1.90 | max 100F; SG 1.5/1.9 | Snyder Industries — Industrial Tanks & Fittings |
| Ace Roto-Mold Cone Bottom Tanks | 150–12,500 gal 568–47,318 L | Linear LDPE or HDPE | to 2.00 | Ace Roto-Mold (a division of Den Hartog Industries, Inc.) — General Product Catalog… | |
| Snyder Industries Double Wall Tankdouble wall | 35–12,500 gal 132–47,318 L | HDLPE (crosslinked available by request) | to 1.90 | Snyder Industries — Double Wall Tanks | |
| Poly Processing Cone-Bottom Tanks | 55–10,950 gal 208–41,450 L | polyethylene | Poly Processing — Full Tank Offerings | ||
| Peabody Engineering Double Wall Value-Paksdouble wall | 300–10,500 gal 1,136–39,747 L | HDPE FDA approved | std 120F, upgraded higher on request | Peabody Engineering, LLC — General Product Catalog (July 2026 Edition) | |
| Peabody Engineering ProChem Chemical & Agricultural Tanks | 25–10,000 gal 95–37,854 L | LPE 1.5/1.9, XLPE 1.5/1.9, PPL/PVDF avail | to 1.90 | Peabody Engineering, LLC — General Product Catalog (July 2026 Edition) | |
| Peabody Engineering ProChem Chemical & Agricultural Open Top Tanks | 1,100–10,000 gal 4,164–37,854 L | LPE 1.5/1.9, XLPE 1.5/1.9 | to 1.90 | Peabody Engineering, LLC — General Product Catalog (July 2026 Edition) | |
| Peabody Engineering ProChem NSF-61 Potable Water/Hydroponics/Agricultural Tanks | 25–10,000 gal 95–37,854 L | 100% virgin FDA resin | Peabody Engineering, LLC — General Product Catalog (July 2026 Edition) | ||
| Peabody Engineering Single Wall Value-Paks | 25–10,000 gal 95–37,854 L | HDPE FDA approved | std 120F, upgraded higher on request | Peabody Engineering, LLC — General Product Catalog (July 2026 Edition) | |
| Snyder Industries Vertical Tanks | 22–9,500 gal 83–35,961 L | HDLPE or XLPE; sodium hypochlorite resin #880059; sulfuric acid resin #880046 (dedicated chemistry-specific resins) | to 1.90 | Snyder Industries — Industrial Tanks & Fittings | |
| Ace Roto-Mold Dualline Double Wall Tanksdouble wall | 65–6,500 gal 246–24,605 L | Polyethylene, EPDM elastic seal | to 2.00 | Ace Roto-Mold (a division of Den Hartog Industries, Inc.) — General Product Catalog… | |
| Norwesco Vertical Storage Tanks | 25–6,500 gal 95–24,605 L | polyethylene | Norwesco (a TankHolding brand) — Water & Waste Management Catalog + Water Tanks Flyer | ||
| Peabody Engineering Cone Bottom Tanks & Stands (general line) | 175–6,000 gal 662–22,712 L | White SD or Blue HD | Peabody Engineering, LLC — General Product Catalog (July 2026 Edition) | ||
| Peabody Engineering ProChem PLUS DCS Dual Containment Base Tank Setdouble wall | 300–4,000 gal 1,136–15,142 L | LPE 1.5/1.9 | to 1.90 | Peabody Engineering, LLC — General Product Catalog (July 2026 Edition) | |
| Snyder Industries Horizontal Tanks | 30–3,400 gal 114–12,870 L | HDLPE or XLPE; sodium hypochlorite resin #880059 (to 525gal); sulfuric acid resin #880046 (to 525gal) | to 1.90 | Snyder Industries — Industrial Tanks & Fittings | |
| Ace Roto-Mold Cone Bottom Tanks - Open Top | 840–2,610 gal 3,180–9,880 L | Linear LDPE or HDPE | to 1.70 | Ace Roto-Mold (a division of Den Hartog Industries, Inc.) — General Product Catalog… | |
| Poly Processing Horizontal Tanks | 30–2,600 gal 114–9,842 L | polyethylene | Poly Processing — Full Tank Offerings | ||
| Peabody Engineering Gemini Dual Containment Cylindrical — Gemini Cylindricaldouble wall | 15–1,500 gal 57–5,678 L | LPE or XLPE, PPL/PVDF avail | Peabody Engineering, LLC — General Product Catalog (July 2026 Edition) | ||
| Snyder Industries Double Wall Tank — Dual Containment Tank (DCT)double wall | 35–1,500 gal 132–5,678 L | HDLPE | Snyder Industries — Double Wall Tanks | ||
| Peabody Engineering Gemini PLUSdouble wall | 1,300 gal 4,921 L | LPE, XLPE, PPL, or PVDF, ASTM D-1998 | Peabody Engineering, LLC — General Product Catalog (July 2026 Edition) | ||
| Ace Roto-Mold Round Horizontal Tanks | 25–500 gal 95–1,893 L | Linear LDPE | to 1.70 | Ace Roto-Mold (a division of Den Hartog Industries, Inc.) — General Product Catalog… | |
| Peabody Engineering ProChem Cone Bottom Tanks - 30/45 Slope | 45–500 gal 170–1,893 L | LPE 1.5/1.9, XLPE 1.9, FDA 1.0 | to 1.90 | Peabody Engineering, LLC — General Product Catalog (July 2026 Edition) | |
| Peabody Engineering ProChem Open Top Cone Bottom Tanks - 22.5 Slope | 100–500 gal 379–1,893 L | LPE 1.5/1.9, XLPE, FDA Black | to 1.90 | Peabody Engineering, LLC — General Product Catalog (July 2026 Edition) | |
| Peabody Engineering ProChem Solid Top Cone Bottom Tanks - 22.5 Slope | 100–500 gal 379–1,893 L | LPE 1.5/1.9, XLPE, FDA Black | to 1.90 | Peabody Engineering, LLC — General Product Catalog (July 2026 Edition) | |
| Peabody Engineering ProChem Open Top Tanks | 5–500 gal 19–1,893 L | LPE, XLPE, PPL, PVDF | Peabody Engineering, LLC — General Product Catalog (July 2026 Edition) | ||
| Peabody Engineering ProChem Solid Top Tanks | 5–500 gal 19–1,893 L | LPE, XLPE, PPL, PVDF | Peabody Engineering, LLC — General Product Catalog (July 2026 Edition) | ||
| Peabody Engineering Gemini Dual Containment Square — Gemini Squaredouble wall | 5–440 gal 19–1,666 L | LPE or XLPE, PPL/PVDF avail | Peabody Engineering, LLC — General Product Catalog (July 2026 Edition) | ||
| Peabody Engineering ProChem Rectangular Tanks | 13–330 gal 49–1,249 L | LPE 1.0/1.5 std, XLPE/PPL/PVDF avail | to 1.50 | Peabody Engineering, LLC — General Product Catalog (July 2026 Edition) | |
| Ace Roto-Mold Vertical and Cone Bottom Batch Tanks | 55–325 gal 208–1,230 L | Linear LDPE | to 2.00 | Ace Roto-Mold (a division of Den Hartog Industries, Inc.) — General Product Catalog… | |
| ProMinent Fluid Controls Dosing Tanks | 9–264 gal 34–999 L | PE | ProMinent — Metering Pumps, Chemical Transfer Pumps, Tanks, DULCODOS Systems | ||
| Peabody Engineering ProChem Open Top Rectangular Tanks | 2–180 gal 8–681 L | LPE | Peabody Engineering, LLC — General Product Catalog (July 2026 Edition) | ||
| Peabody Engineering ProChem Square Tank | 140 gal 530 L | LPE 1.5/1.9, XLPE 1.9 | to 1.90 | Peabody Engineering, LLC — General Product Catalog (July 2026 Edition) | |
| Peabody Engineering ProChem Cone Bottom Tanks - 60 Slope | 19–101 gal 72–382 L | LPE 1.5/1.9, XLPE | to 1.90 | Peabody Engineering, LLC — General Product Catalog (July 2026 Edition) | |
| Peabody Engineering Gemini2 MCU Multiple Chemical Unitdouble wall | 12 gal 45 L | LPE, XLPE, PPL, or PVDF | Peabody Engineering, LLC — General Product Catalog (July 2026 Edition) |
FAQ
Frequently Asked Questions
What percentage of industrial chemicals is HDPE compatible with?
HDPE (specifically HDLPE) covers roughly 95% of industrial and municipal chemicals when correctly specified for resin, wall thickness, and temperature.
What is the temperature limit for HDPE tanks?
The recommended HDPE temperature limit is around 120°F — beyond that, polypropylene (180–200°F) or FRP should be considered instead.
Why do HDPE tanks fail even when the material seems compatible?
Most HDPE tank failures are spec problems, not material problems — wall too thin, SG too low, wrong resin for the temperature, no venting, or rigid pipe glued to a flexing wall.
Spec Review
Get your tank spec'd against real chemistry, not guesswork
Send LibertyCES the chemical, concentration, temperature, and duty cycle — we'll help match resin, wall thickness, fittings, and containment.
Ready to buy or need a fast answer? Call, text, or email James directly — (559) 395-5500 · [email protected].
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Reviewed by James Riggins, 30+ years specifying water and chemical process equipment · Updated