We’ve written several articles about the importance of protecting your chemical storage tank from aggressive chemicals. Mechanical stress can be just as significant, causing polyethylene chemical storage tanks to crack. Mechanical stress occurs when the tank’s structure is compromised after a physical impact with another object, over pressurization, improper venting, or rigid plumbing that doesn’t allow natural expansion and contraction of the tank.
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Proper tank design is crucial to successful safe chemical storage. Purchasing a chemical storage tank isn’t just about selecting the right size — it is vital to design the proper tank configuration for the safety of your employees, the protection of the environment, and to leverage your investment.
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Tank Design and Materials
This is the third article in Poly Processing’s Innovation Series, where you’ll discover the many innovations that we have introduced to the chemical storage industry. If you manufacture, sell or distribute water treatment or distribution products in North America, your products typically must comply with NSF/ANSI 61. NSF/ANSI 61 sets the criteria for water system components to protect health standards. It’s important that all components in water treatment meet the correct standards to ensure dangerous toxins aren’t leached. However, there is confusion about NSF-61 certifications, and that confusion could lead to purchasing the wrong product for your application. Let’s explore NSF/ANSI 61 and how to make sure your chemical storage tank system meets the necessary requirements.
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Poly Processing works diligently to produce each and every chemical storage tank to spec. But if a tank isn’t installed correctly it could lead to damage, leaks, safety issues for personnel, and a shorter tank life. Everyone should take chemical tank installation seriously.
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How do you know when it’s time to replace your polyethylene storage tank, instead of repairing it? No matter what chemical tank manufacturer you use, there are hidden costs to replacing a damaged tank. At some point, it’s less expensive to replace the tank — but that could be years later than you might think. Many companies only calculate the tank purchase cost and shipping costs when deciding whether to repair or replace a chemical storage tank, but there are several additional factors to consider as well. Let’s look at these overlooked factors that contribute to your total cost.
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Twenty years ago, the availability of commercial grade cross-linked polyethylene (XLPE) for chemical storage tanks was limited to a small number of sources. The limited supply, as well as a wide variation in quality, made it challenging to find quality resin for chemical storage tanks.
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Environmental stress cracking occurs in plastic tanks over time, under certain conditions. It’s a failure of the polymer material due to surface-initiated micro cracks or fractures. These micro cracks are caused by the combination of stresses and environmental effects.
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Tank Design and Materials,
FAQs
If the very first question your chemical tank supplier asks isn’t, “So, tell me, what kind of chemical are you storing in this tank?” they’re doing it wrong. The number one job for your tank supplier is to make sure you get the right chemical storage system for the chemical you’re using. If they don’t get that detail right, it can lead to serious risks and cost you thousands of dollars in additional costs.
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This is the first article in Poly Processing’s Innovative Solutions Series, where you’ll discover the many innovations that we have introduced to the chemical storage industry. Not all high-density polyethylene tanks are created equal. Although they sound nearly identical, high density polyethylene (HDPE) and cross-linked polyethylene (XLPE) chemical storage tanks have significant differences. Those differences could impact your organization’s bottom line, your people’s safety, and the operations of your facility.
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Without the right equipment, it’s difficult to judge how much volume of chemical you have in your chemical storage tanks. If you overestimate your volume, you could run out of inventory before the next delivery. The last thing you want to deal with is downtime that could have been avoided.
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