Polypropylene Storage Tanks

Our Tanks and Services

-- Continupous use termperature of 200F.

-- Designed for storage of industrial chemicals..

-- Tanks are Outfitted to customer specs with Ansi #150 flanges, NPT couplings, NPT bulkheads and Sanitary Tri-Clamp adapters.

-- Our fabrication department can modifiy our tanks to your needs with thermoplastic welding to DVS standards.

-- Tanks can be heat traced and insulated for cold weather applications.

Tell us what you need. We can almost certainly deliver it to you.

Learn More
Polypropylene 4000-gallon tank

Polypropylene Tanks versus Polyethylene Tanks

Choose a polypropylene tank over polyethylene when higher temperature resistance, chemical compatibility with oxidizers, or autoclaving is required. Polypropylene performs better in hot environments and with certain aggressive chemicals like chromic acid or concentrated Sodium Hydroxide.
🧪 Polypropylene vs. Polyethylene Tanks for Caustic Soda Storage
Feature
Polyethylene (HDPE)
Polypropylene (PP)
Temperature Resistance
Up to 120°F (HDPE)
Up to 200°F (PP)
Autoclavable
❌ Not suitable
✅ Can be sterilized via autoclave
Impact Resistance
High (especially HDPE)
Moderate
Cost
Lower
Slightly higher
Weight
Lighter
Slightly heavier
UV Resistance
Good (with stabilizers)
Good
✅ When to Choose Polypropylene
  • High-temperature applications: PP tolerates up to 200°F, ideal for hot chemical processes.
  • Sterile environments: PP can be autoclaved, making it suitable for pharmaceutical or lab-grade storage.
  • Long-term chemical exposure: PP offers better resistance to stress cracking and permeation in aggressive chemical environments.
⚠️ Considerations
  • HDPE is often sufficient for ambient-temperature chemical storage, especially in outdoor tanks with UV stabilization.
  • PP tanks may be required if your storage application is heated, highly concentrated, or used in a mixed chemical process.