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PROTECTING YOUR WORLD

PRIMARY
CONTAINMENT

PRIMARY CONTAINMENT

High-Performance Polyurea Coatings for Protecting Primary Containment

PROTECTING YOUR FIRST
LINE OF DEFENSE

It may sound obvious, if not cliche, but primary containment is the first line of defense when storing hazardous materials. These are the containers, such as tanks, bottles, or drums, that are in direct contact with dangerous substances, putting them at significant risk of damage and degradation. Hazardous materials require special solutions for a reason; they’re often highly flammable, corrosive, or reactive, and will readily destroy many common container materials. And even with the right container materials, primary containment systems remain vulnerable to the effects of weathering and abrasion, which necessitate equally robust secondary containment strategies to ensure safety even when primary containment fails. To strengthen primary containment, protective coatings like polyurea can be used to create leakproof, chemically resistant, and highly durable barriers that insulate container materials from their environment, leaving them unaffected by mechanical stress and chemical corrosion.
Primary containment

WHY CHOOSE
POLYUREA FOR PRIMARY
CONTAINMENT?

WHY CHOOSE POLYUREA
FOR PRIMARY CONTAINMENT?

Effective primary containment is paramount for the safe storage of hazardous materials. In a perfect world, hazardous substances should only ever be in direct contact with primary containers, which are made of specialized materials chosen for their compatibility with different hazardous chemicals. However, while container material selection is first and foremost, a second key step in maintaining safe and effective primary containment is through additional protection using coating technologies like polyurea. Polyurea is highly durable, with all the strength and hardness expected of industrial coatings. What makes polyurea unique, is that this strength and durability is paired with high flexibility, ease of application, rapid curing times, and better safety and sustainability characteristics. Polyurea is compatible with almost any substrate, and resists many of the most common hazardous materials like sulfuric acid or toluene. It also forms a watertight seal, serving as a “container to your container,” or as we like to call it – the halfway hero! Made of 100% solids and applied with high-pressure spray equipment, almost any surface can be coated in a uniform layer of polyurea to see any primary containment strategy reach new levels of safety and performance.

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ARMORTHANE'S POLYUREA
PRIMARY CONTAINMENT COATINGS

ArmorThane offers an ever-growing suite of polyurea products and services, including several specialty solutions perfect for primary containment. While they each vary in form and function, they all provide exceptional protection against corrosion, contamination, and leakage.
ArmorLiner
ArmorLiner represents the best in polyurea coatings; it sets in seconds, and features excellent resistance to forceful impacts, harsh abrasion, and corrosive chemicals.
HighLine 510H
HighLine 510H is a high-quality pure polyurea formulation, with exceptional corrosion resistance and skid reduction. It’s the harder and more abrasion resistant sequel to our already acclaimed HighLine 510, while also being less sensitive to moisture for unavoidably wet applications.
ArmorFoam
ArmorFoam is made from polyurea’s sister material, polyurethane, which possesses many of the same physical properties and practical benefits, with a few added features. Polyurethane expanding foams create an insulating underlayment for maintaining containment temperatures, and can be combined with polyurea to form a tough outer shell that creates the ultimate protective shield.
Home Applications Protective Coatings Primary Containment Coatings
HomeApplicationsProtective CoatingsPrimary Containment
Last Updated: March 25, 2026 | Read Time: ~8 min
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Key Benefits of Polyurea Primary Containment Coatings

Why leading industries trust polyurea to protect their most critical assets

💧

100% Waterproof Seal

Creates a seamless, monolithic membrane with zero seams or joints, eliminating all potential leak points in primary containment systems.

Rapid Cure Time

Sets in seconds and returns to service in under an hour, minimizing downtime for critical containment infrastructure.

🔨

Extreme Durability

Withstands impacts, abrasion, and thermal cycling with tensile strength exceeding 3,000 PSI and 300%+ elongation.

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Chemical Resistance

Resists acids, alkalis, solvents, and petroleum products including sulfuric acid, hydrochloric acid, and toluene.

🌡️

Temperature Tolerant

Maintains flexibility and performance from -40°F to 350°F, ideal for extreme environments and thermal cycling conditions.

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Eco-Friendly & VOC-Free

Made from 100% solids with zero VOCs, meeting the strictest environmental and workplace safety regulations.

⚡ Polyurea Primary Containment Performance Ratings

How polyurea scores across the metrics that matter most for primary containment

98%

Chemical Resistance

95%

Impact Strength

97%

Waterproof Seal

90%

UV Resistance

96%

Abrasion Resist.

Primary Containment Industry Applications

Polyurea coatings protect primary containment across these critical sectors

Oil & Gas

Tank farms, pipelines, and processing vessels requiring leak-proof barriers.

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Chemical Processing

Reactors, storage tanks, and transfer systems handling corrosive chemicals.

💧

Water Treatment

Clarifiers, digesters, and potable water tanks requiring NSF-61 compliant coatings.

Mining & Minerals

Leach pads, tailings, and process tanks exposed to aggressive slurries.

🏭

Power Generation

Cooling towers, fuel storage, and waste containment in nuclear and conventional plants.

📽

Pharmaceutical

Clean room containment, solvent storage, and pharmaceutical process vessels.

🍳

Food & Beverage

FDA-compliant coatings for food-grade tanks, silos, and processing equipment.

🚚

Transportation

Fuel storage depots, loading terminals, and ISO container refurbishment.

Primary Containment Coating Comparison

See how polyurea compares to other primary containment coating methods

FeaturePolyureaEpoxyFiberglassRubber LiningVinyl Ester
Cure TimeSeconds24-72 hrs6-12 hrs24-48 hrs4-8 hrs
Chemical Resistance✔ Excellent✔ Good● Moderate✔ Good✔ Excellent
Flexibility / Elongation✔ 300%+✘ Low✘ Brittle✔ Good✘ Low
Impact Resistance✔ Superior● Moderate● Moderate✔ Good● Moderate
Seamless Application✔ Yes✔ Yes✘ Seamed✘ Seamed✔ Yes
Service Life25-30 years10-15 years15-20 years10-15 years10-15 years
VOC Content✔ Zero VOC● Moderate● Moderate✔ Low● Moderate
Temperature Range-40° to 350°F-20° to 200°F-40° to 300°F-20° to 250°F-20° to 250°F

📊 Primary Containment Coating Cost Estimator

Enter your containment details to get an instant cost estimate

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The Polyurea Primary Containment Application Process

1

Surface Preparation

Abrasive blasting to SSPC-SP10 near-white metal, followed by moisture testing and profile verification.

2

Primer Application

Specialized primer coat to maximize adhesion to the substrate and ensure long-term coating integrity.

3

Polyurea Spray

High-pressure plural-component spray application creates a seamless, uniform membrane at 60-120 mils.

4

Inspection & QC

Holiday testing, thickness verification, and adhesion pull tests ensure coating meets all specifications.

🎯 Find Your Ideal Primary Containment Solution

Answer one quick question to get a personalized recommendation

🧪

Chemical Storage

Fuel & Petroleum

💧

Water / Wastewater

Ready to Protect Your Primary Containment?

Get a free consultation and custom coating recommendation from our polyurea experts with 35+ years of experience.

Industrial Geomembrane Installation Process

FAQ FREQUENTLY ASKED QUESTIONS​​

Polyurea is used in both primary and secondary containment strategies. In either case, polyurea serves the same essential function; to protect containment surfaces from internal or external damage and degradation. This includes protection from the hazardous materials themselves, UV radiation, fluctuating temperatures, high-moisture environments, and harsh or frequent abrasion and forceful impacts.
Opting for high-quality and long-lasting primary containment coatings can mean having to put forth a hefty initial investment. However, their exceptional performance that can last up to several decades can mean saving huge on maintenance and repair costs. And compared to the costs of serious containment failure, polyurea coatings are a steal!
Polyurea is used for primary containment because it offers a unique combination of durability, flexibility, and versatility. It’s strong enough to resist bangs and bumps from industrial equipment, chemically resistant enough to withstand prolonged exposure to countless hazardous materials, and flexible enough to be applied on almost any surface.

FIND AN APPLICATOR
OR START YOUR OWN COATINGS BUSINESS

If you’re ready to upgrade your primary containment strategy with one of the most powerful technologies in the coatings industry, consider partnering with ArmorThane! We’ll help you tackle your next containment project with ease, whether you’re looking to protect new equipment, repair aging infrastructure, or want the best of both worlds. As full-service operators, we can be your one-stop shop for everything polyurea, providing one convenient place with everything you’ll need. Discover why ArmorThane has been a leader in the coatings industry for over 35 years, and how we can be your partner in the coatings industry. Contact us today, and we look forward to welcoming you to the ArmorThane family!

CONTACT US

REQUEST A QUOTE

ArmorThane has built a strong reputation over the past 30 years for producing high-quality, durable protective coatings.
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Phone Number

Tel: 417.831.5090

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Email Us

moreinfo@armorthane.com

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Tyler Gleckler, chemist and polyurea coatings expert

ABOUT THE AUTHOR

TYLER GLECKLER

I am a chemist with a specialization in nanotechnology and applied materials chemistry. My work has focused on the characterization of optoelectronic materials, namely including semiconductor nanocrystals.

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