Hazardous Materials Packaging

Understanding UN-Rated Plastic Pails

If you're shipping hazardous materials, choosing the correct packaging isn't optional. It's required. Learn what UN-rated packaging means, when it's required, and which M&M Industries products are available in UN-certified configurations.

What Is a UN-Rated Plastic Pail?

A UN-rated plastic pail is a container that has been tested and certified to meet the performance standards established by the United Nations for the safe transportation of hazardous materials.

These containers undergo rigorous testing to evaluate their ability to withstand conditions that may occur during shipping and handling, including:

Drop Testing

Drop Testing

Leakproof Testing

Leakproof Testing

(when applicable)

Stack Load Testing

Stack Load Testing

Vibration Testing

Vibration Testing

Pressure Testing

Pressure Testing

(for certain packaging types)

Regulatory Verification

Regulatory Verification

Why UN Certification Matters

Why UN Certification Matters

UN certification helps ensure hazardous materials can be transported safely while meeting transportation regulations.

A certified package provides confidence that the container has been tested for specific performance requirements, not simply manufactured from durable plastic.

When Do You Need a UN-Rated Pail?

Not every product requires UN-rated packaging. However, if your product is classified as a hazardous material for transportation under regulations established by agencies such as the U.S. Department of Transportation (DOT), a UN-rated container may be required.

Common products that may require UN-rated packaging include:

Checkmarks

Industrial chemicals

Checkmarks

Cleaning chemicals

Checkmarks

Hazardous powders

Checkmarks

Chlorine

Checkmarks

Solvents

Checkmarks

Specialty adhesives

Checkmarks

Certain paints and coatings

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Specialty industrial products

The Path to Safe Transport

Product

Product

→

Classification

Classification

→

UN Package

UN Package

→

Transportation

Transportation

Because regulations vary based on the product being shipped, it's important to verify your packaging requirements before selecting a container.

What Does the UN Marking Mean?

UN markings provide important information about the packaging's performance. Here's how the marking appears on the bottom of three common M&M pail types, and what each part of the code tells you.

UN Symbol for UN Marking

1H2

/

Y

30

/

S

/

26

USA

M2074

Round Pails

Solids

1H2

Packaging Type (Round)

Y

Packaging Level

30

Weight for Solids (kg)

S

Solids

26

Year of Manufacturing

USA

Where Made

M2074

M&M Location Code

UN Symbol for UN Marking

3H2

/

Y

30

/

S

/

26

USA

M2074

Kube Pails

Solids

3H2

Packaging Type (Square/Rectangle)

Y

Packaging Level

30

Weight for Solids (kg)

S

Solids

26

Year of Manufacturing

USA

Where Made

M2074

M&M Location Code

UN Symbol for UN Marking

1H2

/

Y

1.5

/

30

/

26

USA

M2074

Liquid Pails

Liquids

1H2

Packaging Type (Round)

Y

Packaging Level

1.5

Specific Gravity (kg)

30

Hydro Static Test Pressure (KPAs)

26

Year of Manufacturing

USA

Where Made

M2074

M&M Location Code

Which M&M Industries Pails Are Available in UN-Rated Configurations?

M&M Industries offers several plastic pail solutions that are available in UN-rated configurations for qualifying applications. Because UN certification is based on the specific pail, cover, and tested configuration, availability varies by product and intended use.

UN CERTIFIED FOR LIQUIDS

Liquid UN Certified Pail Packaging with Removable Cover

Liquid Life Latch New Generation Pail

UN Certified for qualifying liquid applications

VIEW PRODUCT
From grip and rip tear tab to press-on covers, metal and plastic handles, these traditional pails are designed for maximum value and dependability.

Traditional M4 Style Pail

UN Certified for qualifying liquid applications

VIEW PRODUCT

UN CERTIFIED FOR SOLIDS

From grip and rip tear tab to press-on covers, metal and plastic handles, these traditional pails are designed for maximum value and dependability.

Traditional M2 Style Pail

UN Certified for qualifying solid applications

VIEW PRODUCT

Super Kube®

UN Certified for qualifying solid applications

VIEW PRODUCT

Lite Latch (LL)

UN Certified for qualifying solid applications

VIEW PRODUCT
Life latch new generation commercial pail

New Generation (NG)

UN Certified for qualifying solid applications

VIEW PRODUCT

7.0 Gallon Ring Clamp Pail

UN Certified for qualifying solid applications

VIEW PRODUCT

Each UN-rated configuration is engineered and tested to meet specific performance requirements. The appropriate pail depends on factors such as your product, packaging group, fill weight, closure system, and transportation requirements.

If you're unsure which UN-rated configuration is right for your application, the M&M Industries team can help you identify the appropriate solution based on your product and regulatory requirements.

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Which M&M Pails Are Not UN Rated?

Not every pail and cover (or package) manufactured by M&M Industries is certified for UN hazardous material transportation.

Whether a pail is UN-rated depends on its specific design, testing, and intended application, not simply the material it is made from.

Our team can help identify whether a specific product configuration is available with UN certification.

UN Compatible vs UN Rated Scale

UN Compatible vs. UN Rated

UN Compatible

May be available in configurations that have earned UN certification.

Not every variation is certified.

Green Check Mark

UN Rated

Has been tested and certified as a complete package.

Approved for specific hazardous material applications.

Circle Question Mark Icon

How Do I Know If I Need a UN-Rated Pail?

The answer depends on the material you're packaging and the regulations governing its transportation.

If you're unsure whether your product requires UN-rated packaging, M&M Industries can help guide you through the selection process.

Our team works with customers across a wide range of industries to recommend packaging solutions that meet both performance expectations and regulatory requirements.

Frequently Asked Questions

Quick answers to the questions we hear most about UN-rated packaging. Have a question that isn't covered here? Our team is happy to help.

What Is a UN-Rated Plastic Pail?

A UN-rated plastic pail is a container that has been tested and certified to meet United Nations performance standards for transporting hazardous materials. It goes through testing such as drop, stack load, and vibration testing, plus leakproof and pressure testing where applicable. The UN marking on the pail shows that it passed the required testing for its intended packaging group, identifies the approved packaging configuration and performance level, and indicates it complies with applicable transportation regulations.

Are All Plastic Pails UN-Rated?

No. UN certification applies only to specific pail and lid combinations that have successfully completed the required performance testing for their intended use. A pail that is available in a UN-rated configuration isn't automatically UN-rated in every variation.

Can I Use a Non-UN Pail for Hazardous Materials?

Not if the regulations for your material require UN-rated packaging. The right package depends on the material, its hazard classification, packaging group, fill weight or specific gravity, and mode of transportation. Even when a pail is available in a UN-rated version, the exact pail, lid, and closure configuration must meet the requirements for your specific application, so always verify those requirements before shipping. If you need help identifying an M&M Industries pail available in a UN-rated configuration, our team can help you evaluate your options.

When Do You Need a UN-Rated Pail?

A UN-rated pail may be required when your product is classified as a hazardous material for transportation under regulations from agencies such as the U.S. Department of Transportation (DOT). That can include certain industrial chemicals, solvents, paints, adhesives, and powders, but requirements vary by product and should be verified before selecting a container.

Why UN Certification Matters

Not sure which UN-rated configuration you need?

Our packaging specialists can recommend the proper pail based on your product, fill weight, packaging group, and transportation requirements.