Poly Processing

Stress cracking is one of the main reasons high-density crosslinked polyethylene (HDXLPE or XLPE) is considered a high-performance tank material.

Unlike high-density linear polyethylene, or HDPE, HDXLPE has a molecular structure that provides much stronger resistance to stress cracking.

Learn more about causes and prevention of stress cracking:

Causes and Prevention of Stress Cracking in Polyethylene Tanks Learn what causes stress cracking in polyethylene chemical storage tanks and how HDXLPE helps prevent cracks, leaks, and premature tank failure.

The question worth asking is not what a large tank costs. It is what a large tank costs over twenty years, including every inspection, every recoating, every outage, and the one bad day when the tank has a problem and there is no other tank.

Asked that way, the manifolded approach stops looking like a substitute for a big tank and starts looking like the more sensible original specification.

Learn more about manifolded storage:

Why One Big Tank Is Your Biggest Risk: The Case for Manifolded Storage Discover why manifolded chemical storage tanks reduce long-term costs, simplify maintenance, minimize downtime, and provide greater operational reliability.

Visit Poly Processing Company at WEFTEC 2026, Booth #3553. Two more days to learn about the leading chemical storage tank systems.

Visit us at booth #3553 at the WEFTEC 2026 conference and expo, September 26 – 30, 2026 in New Orleans, LA.

During the conference, you can schedule a demonstration with one of our Chemical Tank Specialists to learn about the latest innovative materials and engineering in tank construction.

Register now: https://hubs.la/Q04w7tls0

We look forward to sharing our latest innovations with you!

For your industrial facility, the goal should never be simply to buy a tank that holds liquid.

The goal must be to build a storage system that fits the concentration, temperature, operating environment, fittings, gaskets, venting requirements, containment strategy, and maintenance expectations of the site.

Safe Sodium Chlorite Solution storage starts with understanding the chemical, then matching the tank and accessories to actual field conditions.

Learn more:

Storing Sodium Chlorite Solution Safely in Industrial Applications Safe chlorine dioxide storage starts with the right tank system. Explore key design considerations for industrial handling, ventilation, and safety.

Hydrofluoric acid is one of the most widely used industrial chemicals in North America — and one of the most unforgiving. From semiconductor fabrication and metal processing to glass etching and water treatment, thousands of facilities rely on hydrofluoric acid every day.

Yet many of those same facilities underestimate how demanding this chemical is on the equipment that stores it.

Read more about hydrofluoric acid specialized storage design:

Why Hydrofluoric Acid Requires Specialized Storage Design Learn why hydrofluoric acid requires specialized chemical storage and how crosslinked polyethylene tank systems improve safety and reliability.

Poly Processing Company invites you to visit us, booth #3553 at the WEFTEC 2026 conference and expo, September 26 – 30, 2026 in New Orleans, LA.

Read more about WEFTEC 2026: https://hubs.la/Q04w7k-B0

We look forward to sharing our latest innovations with you! In the meantime, check out our WEFTEC 2026 landing page https://hubs.la/Q04w7sHm0.

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Environmental stress cracking is a tiny menace that can cause great damage to your polyethylene chemical storage tanks. It often begins as a web of tiny surface-level micro cracks that are difficult to see during a routine inspection. Over time, those small cracks can grow.

If the tank material isn’t built to resist crack propagation, it can develop leaks and, in a worst case scenario, lead to sudden tank failure. For anyone responsible for safety, compliance, maintenance, or uptime, that risk can be costly.

Learn more about causes and prevention of stress cracking:

Causes and Prevention of Stress Cracking in Polyethylene Tanks Learn what causes stress cracking in polyethylene chemical storage tanks and how HDXLPE helps prevent cracks, leaks, and premature tank failure.

Sodium Chlorite Solution deserves careful attention in storage.

It isn’t a chemical that should be stored in a “good enough” tank system. It’s a neutral chlorine compound and a strong disinfectant, but it behaves differently than elemental chlorine. It is highly soluble in water (roughly ten times more soluble than chlorine), and even in liquid form it remains a dissolved gas in solution.

Safe Sodium Chlorite Solution storage starts with understanding the chemical, then matching the tank and accessories to actual field conditions.

Learn more:

Storing Sodium Chlorite Solution Safely in Industrial Applications Safe chlorine dioxide storage starts with the right tank system. Explore key design considerations for industrial handling, ventilation, and safety.

Poly Processing’s XLPE chemical storage tank systems are manufactured entirely in the United States, helping simplify BABA compliance for water and wastewater infrastructure projects.

With domestic manufacturing and industry-leading certifications, Poly Processing delivers the compliance, quality, and reliability your project demands. Learn more about what BABA certification means for your next project.

Read more:

Why Poly Processing's BABA Certification Matters for Your Project Learn why Poly Processing’s BABA certification matters for federally funded infrastructure projects and supports compliant, American-made material sourcing.