In any chemical process, consistency and reliability are key. Not only do you want to know what the incoming materials consist of but you also need to know how they react when they're used in engineering. One of the ways Poly Processing ensures both reliability and uniformity is through various quality control steps and tests. One of those tests is using a Brabender Plasticorder to test the resin we use to make our tanks.
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Tank Design and Materials
There may be some common misconceptions about the NSF 61 Certification; however, you can learn to see past them by finding out more about what this certification entails. Companies that manufacture, sell and distribute water treatment products or distribution products in the United States are sometimes required (according to varying state law) to meet this certification, but misconceptions around it leads to frequent mistakes in its implementation and compliance. These mistakes may allow contaminants to migrate or leach into drinking water causing unsafe and unhealthy conditions.
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If you’re storing an oxidizing chemical like sulfuric acid or sodium hypochlorite in a polyethylene tank, an antioxidant barrier will more than double the life of that tank. Polyethylene, whether it be linear or cross-linked, has excellent chemical compatibility compared to other choices. Linear and cross-linked are both the same polyethylene in terms of chemical composition and compatibility. However, cross-linked (XLPE) has a much higher resistance to tearing because the molecular chains are bonded (or cross-linked) to one another, whereas HDPE is called “linear” because they are not. They also both share the same chemical formula and resistance properties. All polyethylene, like other materials, will eventually degrade given time, and a typical lifespan for tanks storing oxidizing chemicals will be shortened to 6-10 years without a proper resistance barrier.
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A chemical storage tank system is a large investment. Just as proper tank maintenance and frequent inspections help ensure that the tank lives out its projected useful life, it is equally important to install the tank properly. Being prepared for the tank delivery, hydro testing the tank, and making sure fittings and flexible connectors are properly installed set your tank system up for successful operation. Here are some common questions we get regarding the installation process.
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Chemical storage comes with many parts and pieces that need to be understood. One aspect we are often questioned about are the terms that are new to customers as they’re designing a chemical storage tank system.
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If you have the need to store chemicals, you want your storage system to be safe, cost-effective and low-maintenance. A lot of manufacturers promise to provide all three, but there are things to think about when designing your tank system that impact the total cost. Things like capital up front costs for equipment, how the engineering of the configuration itself impacts your bottom line, and what long-term costs are associated with your chemical storage system.
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Installation and Service,
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When choosing and building a chemical storage tank system, design is a critical aspect of the decision. You need to know what your storage tank is going to look like and it’s exact measurements for a multitude of reasons, including designing placement of the tank, coordinating fittings, manways, and ladder placement. Neglecting to consider these factors could cost you an extensive amount of money in the long run. We ensure that this is an easy process for you by providing easy access to various types of tank drawings.
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Our goal is to continually update you of any and all internal changes that may affect your poly storage tank system. With that goal in mind, we have a few clarifications and updates on how we now meet NSF certification with polyethylene tank materials.
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If you have recently purchased a tank for chemical storage or you are thinking about it, there are a few things you might want to consider before and after the purchase of one. Not only is this to protect the tank itself, but also the solution you are placing in the tank and your workers' and employees' safety.
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With all of the uses for polyethylene, there are many companies and plants that need rotationally molded products not currently offered by manufacturers. Thankfully, working with a specialist to build a custom built solution is a viable option in order to manufacture a unique product that meets your exact specifications.
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