Knowledge Base

Access Assmann’s expertise on chemicals, environmental factors, and more.

The Knowledge Base is the central location of all the important information on Assmann products and accessories like chemical data and product colors. For more technical information like product measurements, please see the Technical Documents page.

Knowledge Base Sections

How to Navigate the Assmann Knowledge Base

It’s our job to make your job easier. That’s why we created the Assmann Knowledge Base.

If you’re shopping for a polyethylene chemical storage tank and need more details on how Assmann tanks perform, the Knowledge Base is your one-stop-shop. Watch this video to see how to navigate the Knowledge Base.

Chemical Storage Recommendations

Sodium Hypochlorite Storage

View the guidelines to safely store sodium hypochlorite.

Sodium Hydroxide Storage

View the guidelines to safely store sodium hydroxide.

Sulfuric Acid Storage

View the guidelines to safely store sulfuric acid.

Hydrochloric Acid Storage

View the guidelines to safely store hydrochloric acid.

Peracetic Acid Storage

View the guidelines to safely store peracetic acid.

Hydrofluoric Acid Storage

View the guidelines to safely store hydrofluoric acid.

Hydrofluosilicic Acid Storage

View the guidelines to safely store hydrofluosilicic acid.

Ferrous Chloride Storage

View the guidelines to safely store ferrous chloride.

Alums + Polymers Storage

View the guidelines to safely store alums and polymers.

Hydrogen Peroxide Storage

View the guidelines to safely store hydrogen peroxide.

Diesel Exhaust Fluid (DEF) Storage

View the guidelines to safely store diesel exhaust fluid (DEF).

Liquid Ammonium Sulfate Storage

View the guidelines to safely store liquid ammonium sulfate.

Leachate + Condensate Storage

View the guidelines to safely store leachate + condensate.

Additional Storage Information

Chemical Resistance Tables

View the ratings of chemical behavior using our resistance tables.

Tank Exothermic Reactions

In the event of an exothermic reaction, look here for general guidelines on how to proceed.

Product Usage Recommendations

Installation Instructions

Our superior polyethylene tanks are not immune to damage. Precautions must be taken while off loading, handling, installing, and utilizing to protect your investment.

Fill Line Recommendation

Fill lines are designed piping systems for introducing fluids into your storage tank. Read the linked article for a general guideline for filling polyethylene tanks. 

Shipping and Packaging

Often people are not prepared for handling their newly purchased polyethylene storage tank. This information helps the purchaser know what to expect when their tank arrives. 

Lifting Instructions

Although our tanks are some of the most durable on the market, they are susceptible to damage if improperly handled. Read guidelines for safe lifting here.

Venting Recommendations

It is extremely important that polyethylene tanks are not over pressurized or placed under vacuum. Use the following guidelines to prevent unnecessary reactions.

Torque Recommendations

This document provides an outline of general guidelines for torque specifications for different fitting types used on polyethylene tanks. 

Product Features

Product Colors

Assmann products come in a wide variety of product colors.

Tank Wall Thickness

Assmann products have a uniform wall due to our molding process. When thinking about your tank walls, knowing the benefits of a uniform wall vs. tapered wall thickness is important when assessing your needs.

Life Expectancy of Tanks

The average life expectancy of a polyethylene tank is close to twenty years. Read these guidelines to learn how to extend the life span of your tank.

Crosslink vs. Linear Polyethylene

Crosslink polyethylene accounts for the majority of our total resin usage. Learn why here.

ASTM Standards & Testing

The current ASTM standards require various types of testing on polyethylene tanks. Read about how we exceed those standards here.

Assmann Nozzles vs. Competition

Assmann Corporations nozzles are different from our competitions in numerous ways. The following shows some of the differences that Assmann tanks have versus our competition.

Environmental Effects

UV Effects on Tanks

Learn about how we ensure that your outdoor tank is UV-resistant. 

Tank Expansion & Contraction

Polyethylene tanks expand and contract with temperature changes and when they are filled and emptied. Managing this process effectively can extend the life of your tank.

Assmann Brochure

Assmann Brochure

Learn more about Assmann by downloading our brochure.


Have a specific question? We’re confident we have the answer. Check to see if we’ve already covered it here.


There are a variety of terms specific to the polyethylene tank industry. Find the definitions you need here.

Do you need an expert consultation?

Let’s get your project started. We are here to help.