Alums & Polymers Storage Solutions

Find the right Assmann tank for storing Alums & Polymers.

“Assmann is high-quality. They understand the necessary configurations to fit company parameters … It gives us a sense of security in knowing what you’re buying is right.”

– Hubbard-Hall Inc.

Alums & Polymers

What are Alums & Polymers?

Alums are a class of double sulfate salts, frequently used in water treatment, paper and pulp manufacturing, and textile industries. The most common alum is Potassium Alum, KAl(SO4)2.

Are there additional concerns when storing Alums or Polymers?

Our experts recommend gaskets in storage solutions for Alums & Polymers. However, gasket compatibility can become an issue with some Polymers. Consult with your chemical provider for requirements. 

Additionally, our experts may recommend specific accessories for Alums & Polymer storage, such as proper venting, joints, manways, and secondary containment.

Specific Gravity
1.5 – 1.9

Linear or Crosslink

Fitting Materials

Gasket Materials
Consult Chemical Provider*

Hardware Materials
Stainless Steel

*Gasket compatibility can become an issue with some Polymers. Assmann recommends consulting your chemical provider for requirements

Common Industries

Alums and Polymers are primary components in a variety of industries, including those listed below.

Water and Wastewater Management

Alums are utilized in water purification processes in water treatment industries.


Polymers are utilized in manufacturing synthetic fibers.

Paper & Allied Products

Alums are utilized to aid in paper sizing in paper manufacturing.

Alums & Polymers Guide

To learn more about Alums + Polymer storage, download the guide below.

The Assmann Way

The Assmann difference is in the process. Assmann keeps quality first and failure far out of mind.

Uniform Wall Thickness

Uniform wall thickness provides better structural integrity compared to other tanks on the market. As well, uniform wall thickness allows for a more solid dome which will reduce UV penetration into the tank, providing a longer lifespan for Polymers.

Air Cooling

Air cooling eliminates a process related stress in rotomolding, where water cooling shocks the plastic and causes an abrupt stop to the curing process. Assmann is the only manufacturer who uses non-shielded molds with low temperature heat and gradual air cooling to ensure reliability that lasts.

Specific Gravity

Using a 1.5 or 1.9 rated tank gives additional wall thickness to help extend the lifespan of the storage tank. Assmann offers 1.5 or 1.9 rated storage tanks in either crosslink or linear polyethylene.


Under-venting is one of the most common causes for tank failure. When filling and draining tanks, it’s important to keep the tank from vacuum and pressure exposure. A vent two times the size of your largest inlet is required to avoid pressurization. Sometimes a larger vent is necessary when tanks are pneumatically filled. Assmann offers a variety of venting options in multiple sizes and configurations.

Can’t find what you’re looking for?

Let us know more about your needs, so we can create the right solution.